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NRA Thames 146
RIVERQUALITY
JULY 1990 TO JUNE 1991
D.C.JowettSenior Scientist - Monitoring
September 1991
Tel: 0734 535422
/S/A/V ft.lv/
RIVER QUALITY REPORT Period to end of June 1991 Freshwater Rivers ComplianceTable 1 gives details of the 94 sites that failed their RQO's in the year to March 1991. The number of sites sampled was 575. Therefore about 16% of the sites failed their RQO.Table 2 gives details of the class achieved by all reaches as per previous reports.Table 2(A) is a matrix showing the total lengths of river in each class against objectives, while Table 2(B) shows this graphically.78/659/EEC Fisheries Directive Compliance (Table 3)This table shows that 21 of the 178 sites sampled fail the above directive. There are currently 57 sites on river reaches classified as Salmonid and 121 on those classified as Cyprinid.EEC Dangerous Substances Directives (Table 4J_This table gives details of the freshwater river sites that fail parameters assessed under the various directives. All parameters are assessed as annual averages.The Tideway (Tables 5 and 61Table 5 details compliance of the three tideway reaches against the guality objectives in the quarter April to June 1991.Table 6 details sites failing the EEC Dangerous Substances Directives in the year to June 1991.
If you have any comments or questions please give me a ring on the above number.
D.C.JowettSenior Scientist (Monitoring) Scientific Services
05/09/91 Page 1
ENVIRONMENT AGENCYIt
042723
Circulation List
Mr. I. M. Adams - Environmental Quality ManagerMr. G.W. Phillips - Catchment Control ManagerDr. D. A. Stott — Water Regulations ManagerDr. J. Haines - Scientific Services ManagerMr. I. M. Griffiths - Pollution Control ManagerMr. P. Lloyd - P.P.O. (Crossness/Guildford)Mr. N. Marshall - P.P.O. (Oxford/Reading)Mr. R. Walker - P.P.O. (Waltham Cross/Amersham)Mr. P. Chatfield - P.P.O. (HQ)Mr. M. Sheppard - S.P.O. (Amersham)Mr. G. Claydon - S.P.O. (Guildford)Mr. D. Keeling — S.P.O. (Oxford)Mr. T. N. Reeder — Quality Control & Monitoring ManagerMr. R. Flavin - P. 0. Groundwater ProtectionMr.' J. Eastwood - Principal Scientist Quality RegulationMs. J. Kinniburgh - Principal Planner Water QualityDr. R. A. Sweeting - Chief BiologistDr. D. Tinsley - Area Biologist EastMr. J. Steel - Area Biologist WestDr. J. Banks - Regional Fisheries ManagerMr. J. Reeves - Senior Fisheries Officer (East)Mr. A. Butterworth - Senior Fisheries Officer (West)Mr. S. Colclough - Area Fisheries OfficerMr. M. Pilcher - Area Fisheries OfficerMr. V. Lewis - Area Fisheries OfficerMr. N. Foulkes - Area Fisheries Officer
NB : Please let me know if you new job title is different from above and if there is anyone else in the new organisations you think should receive a. copy, Thank-you for your co-operation.
D.C. Jowett 5/9/91
Table 1
RIVER QUALITY ASSESSMENT : JULY 1990 TO JUNE 1991
REACHES FAILING THEIR QUALITY OBJECTIVES
RIVER REACH LENGTH
(Kms)
BLACK DITCH Old Railway to Kfngsey Cuttle 1.900
BYFIELD BROOK Source to Cherwell 3.510
CHACOKBE BROOK Chacorrbe STU to Cherwell 3.190
CLIFTON HAMPDEN DTCH Clifton Hampden to Thames 0.920
CULWORTH BROOK Thorpe Mandvlle to Cherwell 4.300
DENTON BROOK Source to Cuddesdon STU 1.470
DIKLER Source to Hyde Kill Ditch 5.950
DUDGROVE STREAM Source to Coin 7.200
EVENLOOE CharIbury STU to Glyme 18.160
EYNSHAM WHARF STREAM Chll/Lfmb Brook to Thames 0.890
FILCHAMPSTEAD BROOK Dean Court to Thames 2.200
FOUR SHIRE STREAM Fire Collge Str to EvenIode 1.200
GAINSBRIDGE BROOK Haseley Wood to Lttle MHtn STU 1.740
GARS1NGTON STREAM GarsIngton STU to Baldon Brook 0.600
HALFACRE BROOK Clanfleld to Radcot Cut 2.100
HANBOROUGH STREAM Church Hanboro1 to EvenIode 3.170
HARCOURT BROOK Stantn Harcourt to Lint Brook 2.870
HASELEY BROOK Source to Uarpsgrove Dtch 8.300
HAYDON WICK BROOK Haydon Wick to Ray 2.800
HAZLEFORO BROOK Source to Wlndrush' 8.810
HIGHMOOR BROOK Source to Shill Brook 6.220
LAUNTON BROOK Poundon Hill to Cutters Brook 4.570
LEACH L.Farlngdon FFm to Thames 3.420
LENTA BROOK Bishopstone to Cole 6.470
LIDEM BROOK Liddington to Cole 8.170
LYDIARD BROOK Source to Rodboume Tip 3.700
OCK Stnford Itv STW to Bagpulze Brook 8.050
05/09/91
c
SAMPLE POINT RQO CLASS FAILING
ACHIEVED DETERMINANO
BLACK DITCH AT A4129 1B 2A 800
BYFIELD BROOK ABOVE CHERWELL 1B 3 DO/AmN
CHAC0M8E BROOK ABOVE CHERWELl 1B 2A BOO
CLIFTON HAMPDEN DITCH ABOVE THAMES 2B 3 BOO/UfA
CULWORTH BROOK ABOVE CHERUELL IB 2A BOD
DENTON BROOK AT DENTON 1B 28 AmN/UiA
DIKLER, DONNINGTON BREWERY 1A 18 BOO
DUDGROVE STR, RAF FAIRFORD U 1B DO
EVENLOOE DS ASHFORD BR 18 2A DO
EYNSHAM WHARF STREAM AT BA044 IB 2A DO
FILCHAMPSTEAD BK US THAMES 1B 2A BOO
FOUR SHIRE STR, CMMN BR 2B 3 BOD
GA1NSBRIDGE BROOK ABOVE LITTLE HILTON STW 1A 1B DO
GARSINGTON STREAM AT B480, GARSINGTON 2B 3 BOO/DO/UiA
HALFACRE BROOK BELOW CLANFIELD 28 3 DO
HANBOROUGH STR, CITY FM IB 2A AmN
HARCOURT BROOK ABOVE LIMB BROOK 16 2A DO
HASELEY BROOK ABOVE UARPSGROVE DITCH 1B 2A AmN
HAYDON WICK BK, KOULDON GS 1B 2A DO
HAZLEFORO BK, TAYNTON BR 1A 18 “ DO
HIGHMOOR BROOK DS BRIZE NORTON STREAM 1B 2A DO
LAUNTON BROOK ABOVE CUTTERS BROOK 2B 3 BOD
LEACH, B4449 LECHLADE 1A 1B DO
LENTA BROOK AT HINTON MARSH FARM 1A 1B DO
LIDEN BROOK 100M BELOW WANBOROUGH RD 1B 2A AmN
LYDIARD BK DS STW LYDIARD MLCT 1A‘ 1B BOD/DO/AmN
XK, OCK BR LYFORD 1A 1B DO
Page 1
Table 1
RIVER QUALITY ASSESSMENT :: JULY 1990 TO JUNE 1991
REACHES FAILING THEIR QUALITY OBJECTIVES
RIVER REACH LENGTH
(Kms)
OCK Bagpuize Brook to Thames 13.900
OXFORD CANAL (LOWER) Kldlington STW to Castle Nill Str 6.760
RAY Haydon Wick Bk to Thames 7.780
SWILL BROOK West Crudwell to Flagham Brook 9.980
SWILL BROOK Flagham Brook to Thames 3.620
THAME Fleet Marstn Bk to Mains Br. Winch 5.190
THAME Mains Br. Winch to Scotsgrove Bk 10.530
THAMES Source to Swill Brook 11.150
VENEYMORE STREAM Leach to Leach 2.730
WOOOHILL BROOK Stockham Bridge to Childrey Brook 2.500
BLACKWATER Canfcerley STW to Sandhurst STW 3.320
BOURNE (BERKS) Chapel Row to Pang 7.600
BURCHFIELD BROOK Burghfleld Cmn. to Foudry Brook 6.860
CLAY HILL BROOK Sulhamstead Gm. to Burghfield STW 1.200
CLAY HILL BROOK Burghffeld STW to Kennet 3.100
ECCHINSWELL BROOK EcchInswell to Enbome 6.620
ENBORNE West Woodhay to Bishops Grn STW 13.030
ENBORNE Baughurst Brook to Kennet 6.050
FLEET BROOK Fleet STU to Hart 2.650
FOUDRY BROOK Devil'S Highway to S.Mortimer STW 2.190
GINGE BROOK Lydebank Brook to Odhay Hill Dtch 9.630
GINGE BROOK Odhay Hill Dtch to SCWP (Thames) 0.130
HART Fleet Brook to Hart. Witny STW 2.440
HART Hart. Witny STW to Whitewater 5.090
KENNET West Kennet to Marlborough STW 13.570
KENNET Marlborough STW to Hungerford STW 20.140
KENNET Holy Brook to Thames 1.310
05/09/91
SAMPLE POINT RQO CLASS FAILING
ACHIEVED DETERMINANDS
OCK US THAMES 1B 2A ARM
OXFORD CANAL 1.2 KM DS KIDLINGTON STU 2A 3 DO/AflM
RAY, TADPOLE BR PURTON 2A 3 DO/AflM/UiA
SUILL BROOK AT OAKSEY LANE 1A 1B DO
SWtLL BKf PIKE CNR ASHTON KYNS 1A 1B DO
THAME US EYTHROPE LAKE 1B 3 DO
THAME, CUDDINGTON 8R 1B 3 DO
THAMES, SOMERPORD KEYNES BR 1B 2A
VENEYMORE STR 50M OS FFM 1A 1B DO
WOOOHILL BROOK ABOVE CHILDREY-BROOK IB 2B BOO/DO/AmN/UiA
BLACKUATER US SANDHURST STW 2B 3 U1A
BOURNE (BERKS) ABOVE PANG 1A IB DO
BURGHFIELD BROOK ABOVE FOUDRY BK 1A 1B i DO
CLAY HILL BK US BURGKF1ELD STU 1A 2B BOD/DO/ AitM/UI A
CLAY HILL BK DS BURGHFIELD STW 2B 3 U1A
ECCHINSWELL BK, A339 HEADLEY 1A 1B DO
ENBORNE, A343 NEWBURY 1A 1B DO
ENBORNE, BRIMPTON GS 1A IB DO
FLEET BK US HART 2B 3 U1A
FOUDRY BK, MORTIMER STATION 1B 2A AntJ
GINGE BK, B4016 SUTTON CRTENAY 1B 2B AmN/UiA
GINGE BK US THAMES 2B 3 UiA
HART, HARTFORD BR 2A 2B AmN/UiA
HART, LEA BR HAZELEY 2A 2B AmN
KENNET, MARLBOROUGH GS 1A 1B DO
KENNET, STITCHCOMBE MILL 1A 1B DO
KENNET 100M US THAMES IB 2A BOO
Page 2
Table 1
RIVER QUALITY ASSESSMENT : JULY 1990 TO JUNE 1991
REACHES FAILING THEIR QUALITY OBJECTIVES
RIVER REACH LENGTH
(Kms)
KENNET & AVON CANAL Croftn (Sunmit) to Kintbury 19.470
KINGSCLERE BROOK Kingsclere to Erfcome 7.000
LAMBOURN Lanfcourn FFtn to Kennet 4.530
NILL BROOK Blewbury to Bradfords Brook 9.550
VYNE STREAM Sherborne St.Jn to Bow Brook 4.160
WHITEWATER Hart to Bleckwater 3.460
CRANLEIGH WATERS ColiIns Brook to Water Bridge 2.730
CRANLE1GH WATERS Cranl'ghSTW to Wey 11.770
FARNHAM PARK TRIB. Hog Hatch to Uey (N) 3.430
HALE BOURNE Berks Golf Cse to Bourne (S) 15.550
THAMES Boveney Weir to Roomy Lock Cut 4.290
THAMES Mole to Hogsmill 4.010
TtLLINGBOURNE Shere to Albury FFm 3.930
WEY Wokfng STW to Hisley STW 6.210
BULBOURNE Northchurch to Gade 9.700
CATHERINE BOURNE Shenley STW to Mimwhall Brook 3.250
CHESS Source to Chesham STW 4.220
COLNE Hartsbourne to Gade/GUC 3.910
GADE Great Gaddesdon to Buibourne 7.500
GADE Buibourne to Gade Avenue SWO 11.320
GADE Gade Avenue SWO to Croxley Mill 1.810
GUC (ABOVE BERKHAMST Suimi t to Bulbourne 7.580
GUC (BOXMOOR REACH) BuIbourne to Gade 2.200
GUC (CASSI06URY RCH) Source to Gade 1.930
GUC (CROXLEY REACH) Source to Gade 1.970
GUC (FROGMORE REACH) Source to Gade 1.020
GUC (PIX FARM REACH) Source to Berkhamsted STW 1.730
05/09/91
SAMPLE POINT RQO CLASS FAILING
ACHIEVED DETERMINAND
K & A CNL, FROXFIELD BR 1A 1B BOO
K1NGSCLERE 8K OS TAN HOUSE FM 1A 1B DO
LAMBOURN, A4 NEWBURY 1A 1B DO
MILL BROOK BELOW SOUTH MORETON STW 1A 1B Anti
VYNE STR OS VYNE LAKE IB 2A BOO
WHITEWATER US BLACKWATER 1B 2A AmN
CRANLEIGH WTRS, COLLINS FM 28 3 DO/UiA
CRANLEIGH WTRS, RUN CMMN IB 2A DO
FARNHAM PARK TRIBUTARY ABOVE WEY <N) 2B 3 BOD
HALE BOURNE, HALEBOURNE LANE IB 2B AmN
THAMES 400M OS BOVENEY DT IB 2A BOD
THAMES US RAVENS AIT SURBITON IB 2A BOO
TILLINGBOURNE US ALBURY FFM 1A IB DO
WEY, NEWARK LANE PYRFORO IB 2A AirN
BUIBOURNE US GADE 1A 2A BOO/DO/AmN
CATHERINE BRN, RABLEY PK 1A 2A DO/AnM
CHESS US CHESHAM STW 1A 1B DO
COLNE, HAMPER MILL OXHEY 1B 2A DO
GADE, UTR END 1A IB DO
GAOE/GUC, HUNTON BR 1A 2A BOO
GADE US CROXLEY CENTRE WATFORD 1B 2A BOO
GUC, TRING IB 2A DO
GUC (BOXMOOR REACH) AT FISHERIES LANE, CHAULDEN 1B 2B BOO/AmN
GUC (CASSIOBURY REACH) AT GADEBANK, CROXLEY IB 2A BOO
GUC AT LOT MEAD LOCK IB 2A BOO
GUC AT DURRANTS HILL RD 1B 2A BOO/AmN
GUC US BERKHAMSTED STW 1B 2A BOO
Page 3
Table 1
RIVER QUALITY ASSESSMENT :; JULY 1990 TO JUNE 1991
REACHES FAILING THEIR QUALITY OBJECTIVES
RIVER REACH LENGTH
(Kms)
GUC (PIX FARM REACH) Berkhamsted STU to 8uIbourne 1.480
MISBOURNE Bury End Arm to Chalfnt S.Giles 4.780
OLD RIVER CHESS Chess to Chess 2.050
PORTLANE BROOK Feltham to Thames 5.420
YEADING BROOK EAST Source to Yeading Brook 6.720
INGREBOURNE Riverside STU to Thames 1.760
LEE Sundon Park to Leagrave 0.570
LEE Wheathanpstead to Stanborough 8.410
LEE Stanborough to Kolwell Bridge 7.060
LEE Uaterhall to Rib 7.320
PINCEY BROOK Stnstead Afrprt to Stort 18.300
SALMON BROOK Stag Hf11 to Deephams STU 11.810
BEVERLEY BROOK U'cester Pk STU to Pyl Brook 2.370
SAMPLE POINT RQO CLASS FAILING
ACHIEVED DETERMINANDS
GUC 1500M DS BERKHAMSTEO STU
MISBOURNE, BURY END AMERSHAM
OLD RIVER CHESS AT LATIMER PARK FARM
PORTLANE BK US THAMES
YEADING BK E US PRIORS FARM RSLIP
INGREBOURNE AT FROG ISLAND
LEE, LEAGRAVE
LEE, STANBOROUGH
LEE, HOLUELL BR
LEE, HERTFORD CASTLE
PINCEY BK, EALING BR
SALMON BK US DEEPKAMS STU
BEVERLEY BK, HOTSPUR PK
2B1A
IB
1B
28
3
2B
1B
1B
1B
1B
2B
3
3
1B
2A
2A
3
4
3
2B
2B
2A
2A
3
4
BOO/U1A
BOD/DO
AnM
AfflN
DO
BOO
DO
BOO/AmN
AffM/UfA
AnM
800DO
BOO
Table 2
RIVER QUALITY ASSESSMENT : JULY 1990 TO JUNE 1991
OXFORD DISTRICT * ALL REACHES
RIVER REACH
AMPNEY BROOK Source to Poulton Stream
AMPNEY BROOK Poutton Stream to Thames
ASHBY BROOK Moreton Brook to Cherwell
AUDLEY BROOK Stratton AudLey to Langford Brook
BAGPUIZE BROOK Kngstn Bagpuize to Ock
BALDON BROOK Source to Garsfngton Str
BALDON BROOK Garsington Str to Thame
BATTENER BROOK Casslngton to Thanes
BEAR BROOK Weilonhead Str to Thame
BENNETTS DITCH Source to Thame
BLACK DITCH Old Railway to Klngsey Cuttle
BLEDINGTON BROOK Source to EvenIode
BLETCHINGDON BROOK Bletchfngdon to Gallos Brook
BLOXHAM BROOK Mllcotflbe to Sor Brook
BLUE BROOK Source to Cornwell Brook
BLUNSOON BROOK Broad Blunsdon to Thames
BOODINGTN CNL FEEDER Bodd.Res'voir to Ox Canal Upper
BROADWELL BROOK Source to Radcot Cut
BURCOT BROOK Marsh Baldon to Thames
BYDEMILL BROOK Source to Thames
BYFIELD BROOK Source to Cherwell
CERNEY WICK BROOK South Cemey to Thames
CHACOMBE BROOK Chaconfee STW to Cherwell
CHADLINGTON STREAM Source to EvenIode
CHALGROVE BROOK Source to Thame
CHERUELL Source to Banbury Utr Int
CHERWELL Banbury Utr Int to Banbury STU
LENGTH
(Kms)
9.290
3.320
6.960
1.250
2.540
1.050
7.010
1.630
12.300
1.960
1.900
5.780
3.500
7.800
5.480
5.130
5.400
9.100
5.350
10.460
3.510
5.500
3.190
1.550
12.100
33.950
3.100
SAMPLE POINT RQO CLASS
ACHIEVED
AMPNEY BK AT AMPNEY MILL 1A 1A
AMPNEY BK, SHEEPEN BRIDGE 1A 1A
ASHBY BROOK AT BLACKBIRD HILL FARM 1B 18
AUDLEY BROOK AT STRATTON AUOLEY 2B 2B
BAGPUI2E BROOK AT SWANNYBROOK 2B 2A
1B NoSPT
BALDON BK US THAME 2B 1B
BATTENER BROOK ABOVE THAMES 2B 1B
BEAR BK US THAME 2B 1A
SENNETS DITCH AT A418 ROADBRIDGE 16 1B
BLACK DITCH AT A4129 1B 2A
BLEDINGTON BROOK ABOVE EVENLODE 28 1B
BLETCHtNGDON BROOK ABOVE GALLOS BROOK 1B IB
BLOXHAM BROOK ABOVE SOR BROOK, WEST ADDERBURY 1B 1A
BLUE BK, SUA1LSFORD 8R 2B 2B
BLUNSOON BROOK AT ROADBRIDGE, WATER EATON 2B 1B
BODDINGTON CANAL FEEDER ABOVE OXFORD CANAL 28 2A
BRQADUELL BK, FRIARS CRT 1B 1B
BURCOT BROOK, ABINGDON RD BURCOT 2B IB
BYDEMILL BROOK ABOVE THAMES, HANNINGTON 2B 16
BYFIELD BROOK ABOVE CKERWELL 1B 3
CERHEY WICK BK, SPINE RD 2B 1B
I'HACOMBE BROOK ABOVE CHERWELL 1B 2A
CHADLINGTON STREAM ABOVE EVENLOOE AT SHORTHAMPTON 1B 1B
CHALGROVE BK, CHISELHAMPTON BR 1B 1B
CHERWELL, GRIMSBURY INTAKE 1B 1A
CHERWELL US BANBURY STW 2B 1B
H D
Table 2
RIVER QUALITY ASSESSMENT : JULY 1990 TO JUNE 1991
OXFORD DISTRICT - ALL REACHES
RIVER REACH LENGTH
(Kms)
CHERUELL Banbury STU to Kings Suttn Str 7.260
CHERWELL Kings Suttn Str to Somerton Bridge 9.410
CHERUELL Somerton Bridge to Ox Canal Middle 19.570
CHERUELL Ox Canal Middle to Ray (Oxon) 10.730
CKERUELL Ray (Oxon) to Thames 12.360
CHILDREY BROOK Source to Ock 15.700
CHURN Seven Springs to Slddlngton Mill 25.100
CHURN Siddington Mill to Thames 12.150
CLIFTON HAMPDEN DTCH Clifton Hareden to Thames 0.920
COLE Ualcot to Tuckmill Brook 13.070
COLE Tuckmlll Brook to Thames 14.540
COLN Source to Comp Abdale Str 16.750
COLN Conp Abdale Str to Bibury Trout Fm 15.580
COLN Blbury Trout Fm to Mill Race Bfbry 0.310
COLN Mill Race Blbry to Bfbury STW 0.990
COLN Bibury STW to Fatrford Mi 11 9.200
COLN Falrford Mill to Dudgrove Stream 7.840
COLN Dudgrove Stream to Thames 0.960
COLWELL BROOK Source to Witney STU 1.400
COLWELL BROOK Witney STU to Eninas Dyke 0.700
CORNWELL BROOK Source to EvenIode 16.470
CftEMDON STREAM Crendon STU to Thame 1.140
CRESLOW BROOK Whitchurch STW to Hardwick Brook 1.600
CROUGKTON BROOK Source to Ockley Brook 4.000
CULWORTH BROOK Thorpe Mandvlle to Cherwell 4.300
DANES BROOK Honeyburge to Horton-Cum-Stud 2.350
DANES BROOK Horton*Cun-Stud to Holton Brook 2.250
I
SAMPLE POINT RQO CUSS
ACHIEVED
CHERWELL, TWYFORD BR 3 1B
CHERWELL US CNL X*OVER AYNHO 2A 2A
CHERWELL, HEYFORD BR 2A 1B
CHERWELL, GOSFORD BR 2A 1B
CHERWELL, MARSTON RD OXFORD 2A 1A
CHILDREY BK, MILL RD MARCHAM 2B 2A
CHURN, N CERNEY 1A 1A
CHURN, CERNEY WICK GS 1A 1A
CLIFTON HAMPDEN DITCH ABOVE THAMES 2B 3
COLE, ACORN BRIDGE, BCURTON 1B 1B
COLE, B4019 COLESHILL IB 1A
COLN, WITH1NGTON 1A 1A
COLN, FOSSEBRIDGE 1A 1A
COLN 10M DS BIBURY FFM 1B IB
COIN, CRT FM BR 6IBURY IB 1A
COLN, BIBURY GS 1B 1A
COLN# UHELFORD BR 1A 1A
COIN, ROUNDHOUSE LECHLADE 1A 1A
COLWELL BROOK AT A4095 IB 1B
COLWELL BK, A415 WITNEY 3 2B
CORNWELL BK, KINGHAM 28 1B
CRENDON STREAM ABOVE THAME 3 2A
CRESLOU BROOK ABOVE HARDWICK BROOK 2B 1B
CROUGHTON BROOK AT A41 ROADBRIDGE, AYNHO 1B 1A
CULWORTH BROOK ABOVE CHERWELL IB 2A
U NoSPT
DANES BK US HOLTON BK 18 1B
Table 2
RIVER QUALITY ASSESSMENT : JULY 1990 TO JUNE 1991
OXFORD DISTRICT • ALL REACHES
RIVER REACH
DEDDINGTON BROOK Source to Cherwell
DENTON BROOK Source to Cuddesdon STW
DENTON BROOK Cuddesdon STU to Thame
DERRY BROOK Source to Swill Brook
DIKLER Source to Hyde Mill Ditch
DIKLER Hyde Mill Ditch to Bourton otw STW
DIKLER Bourton otw STW to wfndrush
DORN Lfttle Tew Dtch to Glyme
DORTON BROOK Brill to Chearsley Brook
DUDGROVE STREAM Source to Coin
EMMAS DYKE Witney to Colwell Brook
EMMAS DYKE Colwell Brook to Duckllngton
EMMAS DYKE Duck Ung ton to Wfndrush
EVENLOOE Source to Cornwell Brook
EVENLODE Cornwell Brook to Charlbury STW
EVENLOOE Charlbury STW to Glyme
EVENLOOE Glyme to Thames
EYE Chalk Hill to Dikler
EYNSHAM WHARF STREAM ChH/Lfirb Brook to Thames
FARINGDON BROOK Source to Thames
FARNBOROUGH DITCH Avon Dassett to Hanwell Brook
FARTHINGHOE STREAM Marston St.Lawr to Cherwell
FUCHAMPSTEAD BROOK Dean Court to Thames
FLEET HARSTON BROOK Franks Ditch to Thame
FOUR SHIRE STREAM Fire Collge Str to EvenIode
GAINSBRIDGE BROOK Haseley Wood to Lttle Miltn STW
GAINSBRIDGE BROOK Lttle Miltn STW to Thame
LENGTH
(Kms)
16.100
1.470
1.050
6.700
5.950
3.820
2.390
16.500
3.800
7.200
1.500
0.150
0.500
17.840
19.950
18.160
8.250
9.910
0.890
6.770
3.100
10.1202.200 7.680
1.200 1.740
1.950
SAMPLE POINT RQO CLASS
ACHIEVED
DEDDINGTON BROOK AT COLO HARBOUR FARM, DEDDINGTON 1B 1B
DENTON BROOK AT DENTON 1B 2B
DENTON BROOK AT CHIPPINGKURST MANOR, LITTLE MILTON 2B 2A
DERRY BK, ASHTON KEYNES BR 28 IB
DIKLER, DOMNINGTON BREWERY 1A 1B
DIKLER US BRTN-ON-THE-WTR STW 1A 1A
DIKLER, BOURTON-ON-THE-WTR BR 1A 1A
DORN US GLYME MILFORD BR 1B 1B
DORTON BROOK ABOVE CHEARSLEY BROOK, DORTON 28 IB
DUDGROVE STR, RAF FAIRFORD 1A 18
EMMAS DYKE, EMMAS BR WITNEY 2B 18
EMMAS DYKE BELOW COLWELL BROOK, DUCKLINGTON 3 18
EMMAS DYKE, MOORS DUCKLINGTON 2B 2A
EVENLOOE, OODINGTON 1B 18
EVENLOOE, SHIPTN-UNDR-WYCHWOOO 1B IB
EVENLOOE DS ASHFORD BR 1B 2A
EVENLODE, B4U9 CASSINGTON 18 IB
EYE, LWR SLAUGHTER MILL 1A 1A
EYNSHAM WHARF STREAM AT B4044 16 2A
FARINGOON BROOK AT A4095, GREAT FARINGDON IB 1B
FARNBOROUGH DITCH AT COLLEGE FARM TRACK IB 1A
FARTHINGHOE STR US CHERWELL 2B 1B
F1LCHAMPSTEAD BK US THAMES IB 2A
FLEET MARSTON BK US THAME 3 2A
FOUR SHIRE STR, CMMN BR 2B 3
GAINSBRIDGE BROOK ABOVE LITTLE MILTON STW 1A 1B
GAINSBRIDGE BK, LTL MILTON 2B IB
Table 2
RIVER QUALITY ASSESSMENT : JULY 1990 TO JUNE 1991
OXFORD DISTRICT - ALL REACHES
RIVER REACH LENGTH
(Kms)
GALLOS BROOK Caulcott to Ray Oxon 13.700
GARSINGTON STREAM Garstngton STU to Baldon Brook 0.600
GLYME Source to Woodstock STW 21.730
GLYME Woodstock STW to EvenIode 5.470
GREAT BROOK Thames to Shill Brook 3.700
GREAT BROOIC Shill Brook to Thames 2.700
GU8BINSHOLE DITCH Source to Ray Oxon 4.410
GUC (AYLESBURY ARM) Source to California Bk 9.860
GUC (PtTSTONE REACH) Suimlt to GUC (Aylesbury) 3.910
GUC (WENDOVER ARM) Source to GUC (Pltstone) 2.030
HALFACRE BROOK Clanfleld to Radcot Cut 2.100
HALTON BROOK Halton to Bear Brook 2.360
HANBOROUGK STREAM Church Hanboro* to EvenIode 3.170
HANUELL BROOK Avon Dassett to Ox Canal Upper 14.000
HARCOURT BROOK Stantn Harcourt to Linb Brook 2.870
HARDUICK BROOK Source to Thame 16.120
HASELEY BROOK Source to Uarpsgrove Dtch 8.300
HASELEY BROOK Warpsgrove Dtch to Thame 5.850
HAYDON WICK BROOK Haydon Wick to Ray 2.800
HA2LEF0RD BROOK Source to Windrush 8.810
HENTON STREAM Chlnnor STW to Kfngsey Cuttle 1.600
HEYTHROP STREAM Source to Glyme 4.500
HIGHFURLONG BROOK Priors Marston to Cherwell 13.770
HIGHMOOR BROOK Source to ShlU Brook 6.220
HOLTON BROOK Source to Thame 7.800
HOOK NORTON BROOK Source to Swere 5.600
HORNTON STREAM Hornton to Sor Brook 3.700
SAMPLE POINT RQO CLASS
ACHIEVED
GALLOS BK US RAY OXON ISLIP 2B 1B
GARSINGTON STREAM AT 8480, GARSINGTON 2B 3
GLYME, WOOTTON 1A 1A
GLYME, A34 WOODSTOCK 1B 1B
GREAT BK, ISLE OF WIGHT BR 1B 1B
GREAT BK, CHIMNEY LANE ASTON 1B 18
GUBBINSHOLE DITCH AT GUBBIN'S HOLE, KARSH GIBBON 2B 1B
GUC, COLLEGE BR ASTON CLINTON 2A 2A
2A NoSPT
GUC WENDOVER, TRING BR 18 1A
HALFACRE BROOK BELOW CLANFIELD 28 3
HALTON BK, A41 US BEAR BK 1B 1A
HANBOROUGH STR, CITY FM 1B 2A
HANWELL BK US OXFORD CNL 2B 1B
HARCOURT BROOK ABOVE LIMB BROOK 1B 2A
HARDWICK BK, HARDWICK 2B 2A
HASELEY BROOK ABOVE WARPSGROVE DITCH 1B 2A
HASELEY BK US THAME 2B 1B
HAYDON WICK BK, MOULDON GS 1B 2A
HAZLEFORD BK, TAYNTON BR 1A 1B
HENTON STREAM ABOVE KINGSEY CUTTLE BROOK 3 3
HEYTKROP STREAM ABOVE GLYME, ENSTONE 18 1A
HIGHfURLONG BK US CKERWELL 18 18
HIGHHOOR BROOK DS BRIZE NORTON STREAM 1B 2A
HOLTON BK US THAME 18 IB
HOOK NORTON BROOK AT WIGGINTON 1B 1A
HCRNTON STREAM ABOVE SOR BROOK 1B 1A
Table 2
RIVER QUALITY ASSESSMENT : JULY 1990 TO JUNE 1991
OXFORD DISTRICT * ALL REACHES
RIVER REACH LENGTH
(Kms)
HORSENDEN STREAM Princes Rlsboro to Princes Rfsboro 0.380
HORSENDEN STREAM Princes Rlsboro to Kingsey Cuttle 6.460
KENCOT BROOK Source to Shill Brook 5.100
KEY Source to Thames 10.700
KINGS SUTTON STREAM Upper Astrop to Cherwell 2.800
KINGSEY CUTTLE BROOK Source to Scotsgrove Bk 9.670
LANGFORD BROOK Stratton Audley to Bicester STU 6.580
LANGFORD BROOK Bicester STU to Ray Oxon 5.420
LASHLAKE STREAM Thame STU to Scotsgrove Bk 0.500
LATCHFORD BROOK Tetsworth Cmn to Haseley Brook 5.300
LAUNT0N BROOK Poundon Kill to Cutters Brook 4.570
LEACH Northteach to L.Farfngdon FFm 27.130
LEACH L.Farlngdon FFm to Thames 3.420
LENTA BROOK Bishopstone to Cole 6.470
LENTA BROOK EAST Lenta Brook to Cole (East) 2.450
LERTWELL BROOK Ashbury to Tuctalll Brook 2.060
LETCOMBE BROOK Source to A417 Uantage 4.560
LETCOMBE BROOK A417 Wantage to Uantage STU 4.660
LETCOMBE BROOK Uantage STU to Chitdrey Brook 4.340
LEUKNOR BROOK Lewknor STU to Chalgrov* Brook 6.720
l e y s fa r m d i t c h Upper Heyford to Gallos Brook 6.020
LIDEN BROOK Llddtngton to Cole 8.170
LIMB BROOK South Leigh to Eynsham Uha Str 7.000
LITTLE COMPTON STR Source to Eventode 6.860
LITTLEST0CK BROOK Flfield to Evenlode 4.000
LUDGERSHALL BROOK Ludgershall to Ray Oxon 3.000
LYDIARD BROOK Source to Rodboume Tip 3.700
SAMPLE POINT RQO CLASS
ACHIEVED
HORSENDEN STREAM AT BROOKE ROAD, PRINCES RISBORO' 1B IB
HORSENDEN STREAM AT THE FORD, BLEDLOU 3 1B
KENCOT BROOK B4020. ALVESCOT IB IB
KEY, A419 BR CRICKLADE 2B 1B
KINGS SUTTON STRM BELOU KINGS SUTTON STU 2B IB
KINGSEY CUTTLE BK US SCOTSGROVE BROOK 1B 1B
LANGFORD BK, A41 BICESTER IB 1B
LANGFORD BK US RAY OXON 3 2A
LASKLAKE STREAM ABOVE SCOTSGROVE BROOK 3 3
LATCHFORD BROOK AT LATCHFORD 3 1A
LAUNTON BROOK ABOVE CUTTERS BROOK 2B 3
LEACH US LTL FARINGDON FFM 1A 1A
LEACH, BU49 LECHLADE 1A 1B
LENTA BROOK AT HINTON MARSH FARM 1A 1B
LENTA BROOK (EAST) AT A420 ROADBRIDGE 1B 1B
LERTUELL BROOK 150M BELOU ZULU BUILDINGS,, ASHBURY 1B 1B
LETCOMBE BK, LOCKS LANE 2B 1A
LETCOMBE BK US UANTAGE STU 2B IB
LETCOMBE BK, WEIR FM E KANNEY 2B 2A
LEUKNOR BROOK AT RQADBRIDGE, NR PYRTON 2B 1A
IEYS FARM DITCH AT A4095 2B 1B
LIDEN BROOK 100H BELOU UANBOROUGH RD 1B 2A
LIMB BROOK AT BU49, NR EYNSHAM 1B 1B
LITTLE COMPTON STRM AT HEATH END BRIDGE 2B IB
LITTLESTOCK BK US EVENLOOE 2B 2A
LUDGERSHAIL BROOK AT A41, NR LUDGERSHALL 2B 1B
LYDIARD BK DS STU LYDIARD MLCT 1A 1B
Table 2
RIVER QUALITY ASSESSMENT : JULY 1990 TO JUNE 1991
OXFORD DISTRICT - ALL REACHES
RIVER REACH LENGTH
(Kms)
LYDIARD BROOK Rodboume Tfp to Ray 0.710
HARCHAN BROOK Rockley Heath to FrUford Stream 8.400
MARCHAM BROOK FrUford Stream to Ock 3.600
MARSTON MEYSEY BROOK Source to Thames 7.300
HILTON DITCH Great Hilton to Grt Milton Str 1.090
HILTON DITCH Grt Hilton Str to Thame 1.570
MORETON BROOK Koreton Pinkney to Ashby Brook 1.210
N0RTHFIELD BROOK Northfld Bk (W) to Oxford STU 0.260
NORTHFIELD BROOK Oxford STU to Thames 1.510
OCK Longcot to Stnford ttv STU 12.450
OCK Stnford Itv STU to Bagpuize Brook 8.050
OCK Bagpuize Brook to Thames 13.900
OCKLEY BROOK Source to Cherwell 6.800
OXFORD CANAL (L0UER) Shlpton Uelr to Kidllngton STU 5.860
OXFORD CANAL (LOUER) Kldlington STU to Castle Hill Str 6.760
OXFORD CANAL(HIDDLE) Aynho Uelr to Bakers Lock 20.550
OXFORD CANAL (UPPER) Fenny Compton toBodd. Can Feed 2.520
OXFORD CANAL (UPPER) Bodd. Can Feed to Alcan Intake 10.500
OXFORD CANAL (UPPER) Alcan Intake to Anyho Crossover 11.820
PEPPERSHILL BROOK Chilton to Shabbington Bk 6.550
p e p p e r s h i l l BROOK Shabbington Bk to Thame 0.450
POLECAT END DITCH Forest Hill to Holton Brook 0.870
RADCOT CUT St.John's to Great Brook 12.440
RAY Source to Uroughton Ditch 4.520
RAY Uroughton Ditch to Swindon STU 4.470
RAY Swindon STU to Haydon Ulck Bk 4.150
RAY Haydon Uick Bk to Thames 7.780
SAMPLE POINT RQO CLASS
ACHIEVED
LYDIARD BROOK ABOVE RAY (WILTS) 3 1B
MARCHAM BK, FYFIELD 20 2A
MARCHAM BK, MILL RD MARCHAM 2B 2A
MARSTOM MEYSEY BK AT ROADSIDE BELOW MARSTON MEYSEY IB 1A
MILTON DITCH AT GREAT MILTON 1B 18
MILTON DITCH AT GREAT MILTON ROAD, WHEATLEY 28 1B
1B NoSPT
NORTHFIELD BK, MINCHERY FM 3 1B
NORTHFIELD BK, SANDFORD 3 2B
OCK, STANFORD-IN-THE-VALE BR 1A 1A
OCK, OCK BR LYFORD 1A 1B
OCK US THAMES IB 2A
OCKLEY BROOK AT SOULDERN MILL 1B 1A
OXFORD CANAL AT THRUPP 2A IB
OXFORD CANAL 1.2 KM DS KIDL1NGTON STW 2A 3
OXFORD CANAL, HEYFORD BRIDGE 2A IB
OXFORD CNL, TUNNEL BR FH CMPTN 2A 1B
OXFORD CNL, CROPREDY BR 2A 1B
OXFORD CANAL AT NELL BRIDGE, AYNHO 2A 1B
PEPPERSH1LL BROOK, ICKFIELD BRIDGE 3 1B
PEPPERSHILL BROOK ABOVE THAME 28 2A
POLECAT END DITCH AT POLECAT END LANE, FOREST HILL 3 1B
1B NOSPT
RAY US WROUGHTON DT 2B IB
RAY, MORRIS ST SWINDON 2B 1B
RAY, MOREDON BR SWINDON 3 3
RAY, TADPOLE BR PURTON 2A 3
Table 2
RIVER QUALITY ASSESSMENT : JULY 1990 TO JUNE 1991
OXFORD DISTRICT - ALL REACHES
RIVER REACH LENGTH
(Kms)
RAY (OXON) Source to Grendon Und STW 7.700
RAY (OXON) Grendon Und STU to Langford Brook 16.770
RAY (OXON) Langford Brook to Gallos Brook 6.580
RAY (OXON) Gallos Brook to Cherwell 0.800
RISSINGTON DITCH Gt Rfssngtn STU to Ulndrush 1.060
ROWSHAM BROOK Wingrave STU to Thame 2.360
SANDFORD BROOK Sandlelgh to Ock 6.400
SCOTSGROVE BROOK Little Kffffcle to Haddenham STU 14.500
SCOTSGROVE BROOK Haddenham STU to Lashlake Stream 4.460
SCOTSGROVE BROOK Lashlake Stream to Thame 1.040
SHABBINGTON BROOK Westffeld to Shebbfngton STU 3.300
SHABBINGTON BROOK Shabbington STU to Peppershfll Bk 1.050
SHARE DITCH Source to Thames 6.100
SHERBORNE BROOK Source to Ufndrush 19.980
SHILL BROOK Carterton to Carterton STU 3.510
SHILL BROOK Carterton STU to Htghmoor Brook 4.290
SHILL BROOK Hfghmoor Brook to Great Brook 4.580
SH0WELLS BROOK Priest Hill to Ulndrush 1.100
SLADE BARM STREAM Slade Barn to Ufndrush 5.770
SOR BROOIC Source to Bloxham Brook 22.670
SOR BROOK Bloxham Brook to Cherwell 4.970
SOUTH MARSTON BROOK Source to Cole 5.230
STANTON STREAM Stanton STU to Holton Brook 1.190
STARTOPS END RESERVR Source to GUC (Pitstone) 0.970
STOCKLAKE BROOK Source to Bear Brook 1.800
STOKE BROOK Source to Bear Brook 8.800
SUMMERSTOWN DITCH Sifimerstown to Cutters Brook 2.380
SAMPLE POINT RQO CLASS
ACHIEVED
RAY OXON, GRENDON UNDERWOOD GS 3 2A
RAY OXON, ARNCOTT BR 3 3
RAY OXON, FENCOTT BR 3 3
RAY OXON, B4027 I SLIP 3 3
RISSINGTON DT US UINDRUSH LOOP 1B 1B
ROWSHAM BROOK ABOVE THAME 2B 1B
SANDFORO BK, A415 MARCHAM 3 IB
SCOTSGROVE BK US HADDENHAM STU. 2B 2A
SCOTSGROVE BK, SCOTSGROVE MILL 2B 2A
SCOTSGROVE BK US THAME 2B 2A
SHAB8INGTON BK, WESTFIELD 18 IB
SHA8BINGT0N BK, SHABBINGTON BR 28 2A
SHARE DITCH AT ROADBRIDGE, CASTLE EATON 28 2A
SHERBORNE BK DS SHERBORNE STU 18 1A
SHILL BK US CARTERTON STU 1B 1B
SHILL BK, SLACK BOURTON BR 28 IB
SHILL BK, FISHERS BR BAMPTON 2B 1B
SHOWELLS BROOK AT CRAWLEY 28 1A
SLADE BARN STREAM BELOU GUITTING POWER STU 1A 1A
SOR BK, BOOICOTE INTAKE 1B 1A
SOR BK, ADDERBURY GS 18 18
SOUTH MARSTON BK, NIGHTINGALE LANE 28 1B
STANTON STREAM ABOVE HOLTON BROOK 28 1B
STARTOPS END RESERVOIR AT TRINGFORD 2B IB
STOCKLAKE BROOK ABOVE BEAR BROOK 2B 2A
STOKE BROOK ABOVE BEAR BROOK 1B 1B
SUMMERSTOUN OITCH 100M BELOU MARSH GIBBON STU 28 2A
Table 2
RIVER QUALITY ASSESSMENT : JULY 1990 TO JUNE 1991
OXFORD.DISTRICT • ALL REACHES
RIVER REACH LENGTH
(Kms)
SUERE Source to Barfrd St.M STW 17.490
SUERE Barfrd St.M STW to Cherwell 7.390
SWILL BROOK West Crudwetl to Flegham Brook 9.980
SWILL BROOK Flagham Brook to Thames - 3.620
THAME Marsworth to Fleet Marstn Bk 23.940
THAME Fleet Marstn Bk to Mains 8r. Winch 5.190
THAME Mains Br. Winch to Scotsgrove Bk 10.530
THAME Scotsgrove Bk to Peppershl11 Bk 8.770
THAME Peppershfll Bk to Chalgrove Brook 18.140
THAME Chalgrove Brook to Thames 10.340
THAMES Source to Swill Brook 11.150
THAMES Swill Brook to Cerney Wick Bk 3.550
THAMES Cerney Wick Bk to Key 3.950
THAMES Key to Ray 1.450
THAMES Ray to Share Ditch 7.350
THAMES Share Ditch to Bydemlll Brook 3.820
THAMES Bydemfll Brook to Coin 2.870
THAMES Coin to Shlfford Weir 22.530
THAMES Shtfford Weir to Babloek Hythe 12.410
THAMES Bablock Hythe to EvenIode 7.970
THAMES EvenIode to Castle Mill Str 9.270
THAMES Castle Mfll Str to Cherwell 1.360
THAMES CheruelI to Sandford Lock 4.410
THAMES Sandford Lock to Ock 8.510
THAMES Ock to Thame 15.240
TIDDIMGTON BROOK Ttddfngton STW to Thame 0.820
TOUERSEY BROOK Towersey to Kingsey Cuttle 1.280
SAMPLE POINT RQO CLASS
ACHIEVED
SWERE, SOUTH NEWINGTON IB 1A
SWERE, BLOXHAK BR IB 1B
SWILL BROOK AT OAKSEY LANE 1A IB
SWILL BK, PIKE CNR ASHTON KYNS 1A 1B
THAME, STONE 8R AYLESBURY . 2B 2A
THAME US EYTKROPE LAKE 1B 3
THAME, CUDDINGTON BR IB 3
THAME, THAME BR IB 1B
THAME, WHEATLEY BR 1B 1B
THAME, DORCHESTER BR 1B 1B
THAMES, SOHERFORD KEYNES BR 1B 2A
THAMES, WATERHAY BR ASHTON KNS 1B 1A
THAMES, CRICKLADE 1B 1B
THAMES AT EYSEY 1B 1B
THAMES, CASTLE EATON 2A 2A
THAMES, HANMINGTON BR 2A 2A
THAMES, INGLESHAM 2A 2A
THAMES, BUSCOT INTAKE 2A 2A
THAMES, NEWBRIDGE 1B
THAMES, FARMOOR INTAKE 1B
THAMES, TROUT INN GOOSTOW 1B
THAMES, FOLLY BR OXFORD 1B
THAMES, DONNINGTON BR OXFORD 2A
THAMES, RAOLEY COLLEGE 2A
THAMES, DAYS LOCK 1B
TIDDINGTON BROOK ABOVE THAME, TIDDINGTON 2B 16
TOWERSEY BROOK ABOVE KINSEY CUTTLE BROOK 3 1B
Table 2
RIVER QUALITY ASSESSMENT : JULY 1990 TO JUNE 1991
OXFORD DISTRICT - ALL REACHES
RIVER REACH
TRAMROAD DITCH Glpsey Bottom to Uooton Brook
TUCKMILL BROOK Idstone to Shrivenham STU
TUCKMILL BROOK Shrlvenham STU to Cole
UFFINGTON BROOK Uoolstone Wells to Ock
VENEYMORE STREAM Leach to Leach
UADLEY STREAM Source to Thames
UARPSGROVE DITCH Chalgrove STU to Haseley Brook
WATERLOO DITCH Source to Cole
UENDOVER BROOK Uendover STU to Bear Brook
UESTROP BROOK Source to Bydemlll Brook
WHEATLEY DITCH Lfttleworth to Uheatley STU
WHEATLEY DITCH Wheatley STW to Thame
WINDRUSH Taddfngton to A429 Bourton Ot
WINDRUSH A429 Bourtoo Ot to Dfkler
UINDRUSH Dikler to Sherborne Brook
WINDRUSH Sherborne Brook to Hazelford Brook
UINDRUSH HazeIford Brook to Burford STW
WINDRUSH Burford STW to Worsham
UINDRUSH Worsham to West Arm
WINDRUSH West Arm to Thames
WOOOHILL BROOK Stockham Bridge to Chlldrey Brook
WORMINGHALL BROOK Source to Uorminghall STW
WORMINGHALL BROOK Wormlnghall STU to Thame
UROUGHTON DITCH Uroughton STU to Ray
LENGTH
(Kms)
3.400
7.120
2.610
5.290
2.730
8.850
1.110
4.200
5.400
3.200
3.620
0.280
19.020
3.790
8.250
6.770
3.670
7.780
22.2001.800
2.500
3.610
3.420
0.900
SAMPLE POINT RQO CLASS
ACHIEVED
TRAKROAD DITCH ABOVE UOOTON BK, WOOTON UNOERWOOO 2B 16
TUCKMILL BK, A420 SHRIVENHAM IB 1B
TUCKMILL BK DS SHRIVENHAM STU 2B 16
UFFINGTON BK, MOOR MILL FM 1B 16
VENEYMORE STR 50M DS FFM 1A . 1B
UADIEY STREAM AT DUXFORD 2B 2A
UARPSGROVE DITCH NEAR RESERVOIR, CHALGROVE COMMON 3 2A
WATERLOO DITCH AT COLESHILL 1B 16
UENDOVER BK, BROOK END 2B 1A
UESTROP BROOK BELOU CROUCH FARM, HIGHUORTH 2B 28
1B Oata
WHEATLEY DITCH AT SUPERSTORE CAR PARK, UHEATLEY 28 2A
UINDRUSH, HARFORD BR 1A 1A
WINDRUSH, BOURTON-ON-THE-WTR 1A 1A
WINDRUSH, NEW BR 1KM DS DIKLER 1A 1A
WINDRUSH, THE FOX LITTLE BARRINGTON 1A 1A
WINDRUSH US BURFORD STW 1A 1A
WINDRUSH, WORSHAM INTAKE 1A 1A
WINDRUSH, BEARD MILL IB 1A
WINDRUSH, NEWBRIDGE GS 1B 1B
WOOOHILL BROOK ABOVE CHILDREY BROOK IB 2B
WORMINGHALL BK, B4011 BR 1B 1B
WORMINGHALL BROOK AT ICKFORD ROAD, WORMINGHALL 2B 1B
WROUGHTON DITCH BELOW WROUGHTON STW 2B 1B
Table 2
RIVER QUALITY ASSESSMENT : JULY 1990 TO JUNE 1991
READING DISTRICT - ALL REACHES
RIVER REACH
ALDBOURNE Uhlttonditch to Knfghton Loop
ALDERSHOT STREAM Source to Kennet
ASHRIDGE STREAM Source to Emm Brook
BAGNOR STREAM Bagnor Mill to Lamboum
BARKHAM BROOK Source to Loddon
BASINGSTOKE CANAL Greywell to Eelmoor Bridge
BASINGSTOKE CANAL Eelmoor Bridge to Uey Nav
BAUGKURST BROOK Pound Green to Enbome
BEENHAM STREAM Beenham Grange to Kennet
BLACKWATER Aldershot to Aldershot STU
6LACKWATER Aldershot STW to Aid. Mltry STU
BLACKWATER Aid. Mltry STU to Ash Vale STU
BLACKWATER Ash Vale STW to Famborough STU
BLACKWATER Famborough STU to Cove Brook
BLACKWATER Cove Brook to Canfcerley STU
BLACKWATER Cantoerley STW to Sandhurst STU
BLACKWATER Sancfourst STW to Eversley
BLACKWATER Eversley to Uhltewater
BLACKUATER UMtewater to Loddon
BOURNE (BERKS) Chapel Row to Pang
BOW BROOK Ramsdell to Loddon
8RADFORDS BROOK Mill Brook to Thames
BRIFF LANE STREAM Source to Pang
BULL BROOK . A322 to Ascot STU
BULL BROOK Ascot STU to Cut
BURGHFIELD BROOK Burghffeld Cmn. to Foudry Brook
CHOLSEY BROOK South Moreton to ChoUey STU
LENGTH
(Kms)
1.300
0.280
2.420
0.840
6.900
19.895
29.985
5.700
4.120
4.460
3.180
1.720
0.780
6.060
0.840
3.320
8.2204.250
2.850
7.600
13.240
2.1001.400
2 .0 0 04.500
6.860
4.570
SAMPLE POINT RQO CLASS
ACHIEVED
ALDBOURNE STR, RAMSBURY GS 1B 1B
ALDERSHOT UTR DS COLTHROP MLLS 1B 1A
ASHRIDGE STREAM AT TOUTLEY ROAD 2B 2A
1A NoSPT
BARKHAM BK, BARRETTS LANE 1B 1B
8ASINGSTOKE CNL, EELMOOR BR 2A 1B
X NoSPT
BAUGKURST BROOK BELOW ASHFORD HILL TIP 3 2A
X NOSPT
BLACKWATER US AL'SHOT TOWN STU 3 2A
BLACKUATER US A'SHOT MLTRY STU 3 3
BLACKWATER, LYNCKFORD BR 3 3
BLACKUATER US FARNBOROUGH STU 3 2B
BLACKUATER, FRIMLEY BRS 3 3
BLACKUATER US CAMBERLEY STU 2B 2B
BLACKUATER US SANDHURST STU 2B 3
BLACKUATER DS SANDHURST STU 2B 2B
BLACKUATER US UHITEUATER 2A 2A
BLACKUATER, SUALLOUFIELD GS 2A 2A
BOURNE (BERKS) ABOVE PANG 1A 1B
BOU BK, BOW BR SHERFIELD 1B 1B
BRADFORDS BROOK AT A329 WALLINGFORD 1B 1B
X NoSPT
BULL BK US ASCOT STU X 1B
BULL BK, UARFIELD PK FM 2B 1B
BURGHFIELD BROOK ABOVE FOUDRY BK 1A 1B
CHOLSEY BK SOOM US CHOLSEY STU 1B 1A
Table 2
RIVER QUALITY ASSESSMENT : JULY 1990 TO JUNE 1991
READING DISTRICT • ALL REACHES
RIVER REACH LENGTH(Kms)
CHOLSEY BROOK Cholsey STW to Thanes 1.B50CLAY HILL BROOK Sulhamstead Grn to Burghfleld STU 1.200CLAY HILL BROOK Burghfleld STW to Rennet 3.100COVE BROOK Source to Hawley Lake Str 3.780COVE BROOK Hawley Lake Str to Blackwater 2.700CUT Source to Bracknell STU 10.250CUT Bracknell STW to Heywood Stream 8.450
0 CUT Heyvood Stream to Canon Hill Bray 2.570CUT Canon Hill Bray to Thames 2.460D0WNM1LL STREAM Easthampstead to The Cut 5.380DUN East Grafton to Kennet 16.190ECCHINSWELL BROOK EcchInswell to Enborne 6.620EMM BROOK Plnewood to Loddon 12.690ENBORNE West Woodhay to Bishops Grn STW 13.030ENBORNE Bishops G m STW to Baughurst Brook 7.680ENBORNE Baughurst Brook to Kennet 6.050FAULEY COURT STREAM Henley STW to Thames 1.440
; FISHERMANS BROOK Source to Padworth Stream 5.180I FLEET BROOK Church Crookham to Fleet STW 5.760’ FLEET BROOK Fleet STU to Hart 2.650' FOUDRY BROOK Devil'S Highway to S.Mortimer STW 2.1900 FOUDRY BROOK S.Mortimer STW to Kennet 10.470FROXFIELD STREAM Froxfleld to Dun 1.500GINGE BROOK West Glnge to Lydebank Brook 3.200GINGE BROOK Lydebank Brook to Odhay Hill Dtch 9.630>GINGE BROOK Odhay Hill Dtch to SCWP (Thames) 0.130GLORY MILL BACKWATER Woburn Grn Mill to Wye 0.550
SAMPLE POINT CLASS
ACHIEVED
CHOLSEY BK 500H OS CHOLSEY STU CLAY HILL BK US BURGHFIELD STU CLAY HILL BK DS BURGHFIELD STU COVE BK DS RAE INTERCEPTOR COVE BK US BLACKUATER CUT, PITTS BR BINFIELD CUT, BUCK BR BINFIELD CUT, CANNON HILL BRAY UICK CUT US THAMES DOWNHILL STR US THE CUT DUN, HUNGERFORO GS ECCHINSWELL BK, A339 HEADLEY EMM BK, MERRYHILL BR UINNERSH ENBORNE, A343 NEUBURY ENBORNE, THORNFORD RD HEADLEY ENBORNE, BRIMPTOM GS FAULEY COURT STREAM AT GARDEN CN,
FLEET BK US FLEET STW FLEET BK US HART FOUDRY BK, MORTIMER STATION FOUDRY BK, HARTLEY CRT FM FROXFIELD STREAM ABOVE DUN GINGE BK, U HENDRED BR GINGE BK, 84016 SUTTON CRTENAY GINGE BK US THAMES
3 31A 2B20 32B 1A2B 1B3 183 2A2B 2A2A 2A2B 1B1A 1A1A 182B 2A1A 181A 1A1A 18
HENLEY 3 3
1A NoSPT28 IB2B 31B 2AIB IB1A 1A1A 1AIB 2B2B 32B NoSPT
Table 2
RIVER QUALITY ASSESSMENT : JULY 1990 TO JUNE 1991
READING DISTRICT * ALL REACHES
RIVER REACH LENGTH(Kms)
HART Crondall to Elvetham Pk Bdg 9.730HART Elvetham Pk Bdg to Fleet Brook 4.310HART Fleet Brook to Hart. Wltny STW 2.440HART Hart. Wltny STW to Whitewater 5.090HARUELL STREAM Blenheim Hill to Moor Ditch 3.300HEYUOOO STREAM White Waltham to The Cut 1.500HOLY BROOK Kermet to Kemet 9.300HOWBERY DITCH Benson STW to Thames 0.920HUGHENDEN STREAM High Wyconfce to Wye 1.000JEALOTTS HILL STREAM Jealotts Hill to The Cut 1.450KENNET West Kemet to Marlborough STU 13.570KENNET Marlborough STW to Hungerford STW 20.140KENNET Hungerford STW to Newbury STW 17.390KENNET Newbury STW to Aldershot Str 5.940KENNET Aldershot Str to Enbome 6.090KENNET Enborne to Sulhamstead Str 8.950KENNET Sulhamstead Str to Foudry Brook 8.300KENNET Foudry Brook to Holy Brook 2.820KENNET Holy Brook to Thames 1.310KENNET ft AVON CANAL Croftn (Summit) to Klntbury 19.470KENNET & AVON CANAL Wlchnead Lock to Woolhampton 6.840KENNET & AVON CANAL Woolhampton to Ufton 4.450KINGSCLERE BRTOK Kingsclere to Enbome 7.000LADYGROVE DITCH Dtdcot STW to Moor Oltch 1.930LAMBOURN Lamboum to Boxford STW 16.120LAMBOURN Boxford STW to Lanfcoum FFm 5.050LAMBOURN Lanfcourn FFm to Kermet 4.530
SAMPLE POINT RQO CLASS
ACHIEVED
HART, ELVETHAM PK 8R 2B 1B2A NoSPT
HART, HARTFORD BR 2A 2BHART, LEA BR HAZELEY 2A 2BHARWELL STR US DIDCOT PWR STN X 2A
28 NoSPTHOLY BK US KENNET 1A 1AHOUBERY DT, A329 BENSON 3 3HUGHENDEN STREAM AT BELLFIELD ROAD 1B 1BJEALOTS HILL STREAM ABOVE CUT X 2AKENNET, MARLBOROUGH GS 1A 1BKENNET, STITCHCOMBE MILL 1A 18KENNET, HAMBR1DGE RD NEWBURY 1A 1AKENNET, THATCHAM STATION 1B 1AKENNET AND CANAL, WOOLHAMPTON 1A 1AKENNET AT UFTON BRIDGE 1A 1AKENNET, F06NEY INTAKE 1A 1AKENNET, BERKELEY AV READING 1B 1BKENNET 100M US THAMES 1B 2AK ft A CNL, FROXFIELD BR 1A IBK ft A CNL# MIDGHAM BR 1B 1AK ft A CNL, UFTON BR 1A 1AKINGSCLERE BK DS TAN HOUSE FM 1A IB
X NoSPTLAMBOURN, E SHEFFORD GS 1A 1ALAMBOURN, BAGNOR 1A 1ALAMBOURN, A4 NEWBURY 1A 1B
Table 2
RIVER QUALITY ASSESSMENT : JULY 1990 TO JUNE 1991
READING DISTRICT - ALL REACHES
RIVER REACH LENGTH(Kms)
LOODON Source to Basingstoke STW 7.610LOODON Basingstoke STW to Lyde 4.580LOODON Lyde to Stanford End Br S.920LOODON Stanford End Br to Biackwater 4.720LOODON Blackwater to Barkham Brook 5.630LOODON Barkham Brook to Wargrave STW 12.250LODDON Wargrave STW to Thames 1.300LYDE Source to loddon 8.700LYDEBANK BROOK AERE Harwell to Gfnge Brook 2.950MAIDENHEAD DITCH Maidenhead STW to The Cut 1.530MARROW BROOK Farnborough to Cove Brook 1.900MILL BROOK Btewbury to Bradfords Brook 9.550MINLEY BROOK Source to Fleet Brook 3.610MOOR DITCH Milton Kill to Dldcot STW 6.000MOOR DITCH Didcot STW to Thames 3.170ODHAY HILL DITCHES StoneMll House to Gfnge Brook 2.080OG Bay Bridge to Kennet 2.120
PADW0RTH STREAM Old Warren to Kennet 5.720PANG Hampstd Norreys to Brsdfield STW 11.880PANG Bradfleld STW to Thames 7.220PYESTOCK TRIBUTARY Source to Cove Brook 1.630SHALBOURNE STREAM Shalbourne to Dun 6.500SILCHESTER BROOK Tadley to Sllchester STW 3.200SILCHESTER BROOK Si IChester STW to Foudry Brook 5.200SUL Theale to Pangbourne STW 5.580SUL Pangbourne STW to Thames 0.530THAMES Thame to Goring STW 14.230
LOODON, PYOTTS BR BASING 1B 1BLODDON, KEEPERS COTTAGE UILDHR 1B 1ALOODON, LONG BR SHERFIELD 1B 18LODDON US BLACKWATER, KINGS BR 1B 10LXDON, ARBOR FI ELD BR 2A 1BLOODON, A4 BR TUYFORD 2A 1BLODDON, LXDON DR UARGRAVE 2A 1ALYDE,DEANLAND FARM 1A 1ALYDEBANK BK, FORD LANE 2B 1BMAIDENHEAD OT, HIBBERT RD BRAY 2B 2AMARROW BROOK AT FARM ROAD, FARNBOROUGH X 2AMILL BROOK BELOW SOUTH MORETON STW 1A 1BMINLEY BROOK AT B3013, FLETT 2B 2AMOOR DT US OIDCOT STU 3 18MOOR OT, B4016 APPLEFORD 3 2600HAY HILL DT ABOVE GINGE BK 3 306 100M US KENNET 1A 1A
PADUORTH STREAM AT BRIDGE 386, PAOWORTH 1A 1APANG, STANFORD DIHGLEY 1A 1APANG, PANGBOURNE GS 1A 1APYESTOCK TRIB, IVELEY RD 2B 2ASHALBOURNE STR, SMITHAM BR 1A 1ASILCHESTER BK US SILCHESTR STU 2B 1BSILCHESTER BK, CLAPPERS FH 2B 2ASUL, SULHAM BR 1B 1BSUL, SALTNEY MEAD PANGBOURNE 2B 2BTHAMES, WALLINGFORD BR IB IB
SAMPLE POINT RQO CLASS
ACHIEVED
1
Table 2
RIVER QUALITY ASSESSMENT : JULY 1990 TO JUNE 1991
READING DISTRICT - ALL REACHES
RIVER REACH LENGTH(Kms)
THAMES Goring STW to Whitchurch STW 8.500THAMES Whitchurch STW to Kennet 12.590THAMES Kennet to Loddon 7.910THAMES Loddon to Fawley Ct Str 7.59GTHAMES Fawley Ct Str to Cut 27.230THAMES Cut to Boveney Weir 3.810VYNE STREAM Sherborne St.Jn to Bow Brook 4.160WEBBS LANE STREAM Source to Bourne 2.300WEST END BROOK Tadley ConiDon to Foudry Brook 6.650WHITEWATER Source to Hart 15.570WHITEWATER Hart to Blackwater 3.460WINTERBOURNE STREAM Winterbourne to Bagnor Stream 3.900WYE West Wycombe Pk to High Wycnfce STW 6.540WYE High Wycnte STW to Glorymill Back 4.890WYE Glorymill Back to Thames 4.270
SAMPLE POINT ROO CLASS
ACHIEVED
THAMES US GORING WEIR THAMES, CAVERSHAM WEIR THAMES, SONNING WEIR THAMES, HENLEY BR THAMES, COOKHAM BR THAMES, BOVENEY VYNE STR DS VYNE LAKE
WHITEWATER, DIPLEY WHITEWATER US BLACKWATER WINTERBOURNE, BAGNOR GS WYE, BASSETSBURY LANE WYE, KING GEORGE V WYE, HEDSOR GS
1B1B16IB.161B1BXX1A181A2B2B2B
IB 1B 1B 1B . 16 1B 2ANoSPTNOSPT1A2A1A1B1B1A
Table 2
RIVER QUALITY ASSESSMENT
GUILDFORD DISTRICT - ALL
: JULY 1990 TO JUNE
REACHES
1991
RIVER REACH LENGTH(Kms)
BALDHORNS BROOK Source to Mole 1.930BOOKHAM BROOK Effingham Cmn. to D'slde Mill Str 4.450BOURNE Woburn Park to Thames 1.060BOURNE (NORTH) Source to Chertsey STW 14.770BOURNE (NORTH) Chertsey STW to Bourne 6.330BOURNE (SOUTH) West End Cannon to Bourne 22.200BOVENEY DITCH Rouncfenoor Ditch to Thames 1.100BURSTOW STREAM Crawley Down to Burstow STW 11.700BURSTOW STREAM Burstow STW to Mole 4.760CAKER STREAM Source to Wey (N) 5.670CHALVEY DITCH Slough to Thames 5.500COLLINS BROOK Withy Copse to Cranleigh Water 1.880COMPTON STREAM Compton to Wey 4.300CRANLEIGK WATERS Ellen's Green to Collins Brook 5.390CRANLEIGH WATERS Col tins Brook to Water Bridge 2.730CRANLEIGH WATERS Water Bridge to Cranleigh STW 6.350CRANLEIGH WATERS Cranl'gh STW to Wey 11.770CRAWTERS BROOK Crawley to Mole 6.590DATCHET COMMON BROOK Upton Lake to Thames 10.430EARLSUOOD BROOK Earlswood to Mole 3.180FARNHAM PARK TRIB. Hog Hatch to Wey (N) 3.430GATWICK STREAM Peas Pottage to Crawley STW 14.160GATWICK STREAM Crawley STW to Gatwick Pond E 0.200GATWICK STREAM Gatwfck Pond E to Mole 2.770HALE BOURNE Berks Golf Cse to Bourne (S) 15.550HOLMWOOD STREAM Source to Leigh Brook 4.970LEIGH BROOK Source to Mole 11.600
SAMPLE POINT RQO CLASS
ACHIEVED
BOURNE US THAMES BOURNE N, THORPEGREEN BR BOURNE N, HAMPERSTONE BR BOURNE S, M1MBRIDGE CHOBHAM BOVENEY DT US THAMES BURSTOW STR, SHIPLEY BR HORLEY BURSTOU STR, MEATHGREEN BR CAKER STREAM ABOVE ALTON STU CHALVEY DT US THAMES COLLINS BK, COLLINS FM
CRANLEIGK UTRS US COLLINS FMCRANLE1GH UTRS, COLLINS FMCRANLEIGH UTRS, ELHBRIDGECRANLEIGH UTRS, RUN CMMNCRAUTERS BK, LOUFIELD HEATHDATCHET COMMON BK US THAMESEARLSUOOO BK US MOLEFARNHAM PARK TRIBUTARY ABOVE WEY (N)GATUICK STR, TINSLEY BRGATWICK STR US PND EGATUICK STR US MOLEHALE BOURNE, HALEBOURNE LANEHOLMUOOD STREAM BELOW HOLMWOOD STULEIGH BK, LEIGH BR
2B2B1B1B2A1B3332BIBX282B2B2A1B
X1BX2BIB33IB2B2B
NoSPTNoSPT1B1B2A1B2B1AIB2AIB2BNoSPT2A32A2A1B1B2B31A2B32B2AIB
Table 2
RIVER QUALITY ASSESSMENT : JULY 1990 TO JUNE 1991
GUILDFORD DISTRICT • ALL REACHES
RIVER REACH
MOLE Source to Gatwick Pond BMOLE Gatwick Pond B to Gatuick Pond DMOLE Gatwick Pond D to Gatwfck StreamMOLE Gatwick Stream to Horley STWMOLE Horley STW to Salfords StreamMOLE Salfords Stream to Sheg BrookMOLE Shag Brook to Dorking STWMOLE Dorking STW to Riv Lane LeathMOLE Riv Lane Leath to D'slde Mill StrMOLE D'side Mill Str to EirberMOLE Ember to ThamesMVEE STREAM Long Cross to Bourne (N)MYRKE DITCH Upton Park to ThamesOAKHANGER STREAM Selbome to SleaOCK (SURREY) Hambledon to Wey vOCKHAM MILL STREAM Wey to WeyPIPP BROOK Coldharbour to MoleREDHILL BROOK Whltehill to Salfords StreamROUNDMOOR DITCH Burnham STU to Boveney DitchSALFORDS STREAM Source to HoleSALT HILL STREAM Stoke Poges to Chalvey DitchSLEA Worldi am to Oakhanger StrSLEA Oakhanger Str to Wey (South)STANFORD BROOK Henley Pk. Lake to Rickford MillSTANFORD BROOK Rickford Mill to WeyTHAMES Boveney Weir to Romney Lock CutTHAMES Romney Lock Cut to Windsor STW
11.2503.1400.2002.0605.4708.8807.78011.0708.11021.7800.4802.4401.8806.9006.9402.87011.440
12.3604.20012.0807.8604.7005.770 .5.170 12.6304.2905.770
LENGTH
(Kms)
SAMPLE POINT RQO CLASS
ACHIEVEO
MOLE US GATUICK AIRPORT 2B 1AMOLE, TIMBERHAM BR GATUICK 2B 1AMOLE US GATUICK STR 2B 18MOLE US HORLEY STU 3 3MOLE, KINNERSLEY KAKOR 3 3MOLE, FLATCHFORD BR 26 2AMOLE US DORKING STU 26 IBMOLE, RIVER LANE LEATHERHEAD 26 1BMOLE, STOKE D'ABERNON BR 2A 18MOLE, ROYAL MILLS ESHER 2A 18MOLE US THAMES 2A 16
X NoSPTMYRKE DT US THAMES 2B 2AOAKHANGER STREAM ABOVE SLEA 1B 1BOCK ABOVE WEY 1A 1A
26 NoSPT2A NoSPT
REDKILL BK, KINGS MILL LANE 28 1AROUNDMOOR DT, LAKE END DORNEY 3 3SALFORDS STR US MOLE 2A 1ASALT HILL STR DS MONTEM LANE 1B IB
X NoSPTIB NoSPT
STANFORD BK, RICKFORD MILL 2B 1BSTANFORD BROOK AT SMARTS HEATH LANE 2A 18THAMES 400M DS BOVENEY DT 1B 2ATHAMES, SUNNYMEADS INTAKE IB 1B
Table 2
RIVER QUALITY ASSESSMENT : JULY 1990 TO JUNE 1991
GUILDFORD DISTRICT * ALL REACHES
RIVER REACH
THAMES Windsor STW to UeyTHAMES Wey to MoleTHAMES Mole to Hogsmi11THAMES Hogsmi11 to TeddingtonTILLINGBOURNE Coldharbour to ShereTILLINGBOURNE Shere to Albury FFmTILLINGBOURNE AIbury FFm to WeyWEY Tflford to Godalming STWWEY Godalmfng STW to Guildford STWWEY Guildford STW to Woking STWWEY Woking STW to Wisley STWWEY Wtsley STW to Weybridge STWWEY Weyforidge STW to ThamesWEY NAV (PYRFORD) Source to WeyWEY (NORTH) Alton to Bentley STWWEY (NORTH) Bentley STW to Famham Pk TribWEY (NORTH) Famham Pk Trfb to WeyWEY (SOUTH) Source to Hammer Vie BdgWEY (SOUTH) Haimer vie Bdg to Wey
LENGTH(Kms)
16.04010.5304.0102.70011.060
3.9305.280
20.2109.99012.0806.210
5.2303.7208.41010.5709.7408.0206.54028.020
SAMPLE POINT ROO CLASS
ACHIEVED
THAMES, NSWC INTAKE CHERTSEY 1B 1ATHAMES, MVJD WALTON INTAKE IB 1BTHAMES US RAVENS AIT SURBITON 1B 2ATHAMES, TEDDINGTON WEIR 2A 2ATILLINGBOURNE, SHEEPKOUSE LANE 1A 1ATILLINGBOURNE US ALBURY FFM 1A 1BTILLINGBOURNE, SHALFORD INTAKE 1A 1AWEY US GOOALMING STU 1B 1AWEY US TILLINGBOURNE 18 1AWEY, CARTBRIDGE SEND 1B IBWEY, NEWARK LANE PYRFORD 18 2AWEY, PLOUGH BR BYFLEET 1B IBWEY US THAMES 18 1B
X NOSPTWEY Ht MILL CRT BR WYCK 1B 1AWEY N, HATCH MILL FARNHAM 1B 1AWEY N, MOOR PK BR FARNHAM 2A 2AWEY (SOUTH), HAMMER VALE BR 2B 1AWEY S, LINDFORD BR BORDON 2A 1B
Table 2
RIVER QUALITY ASSESSMENT : JULY 1990 TO JUNE 1991
AMERSHAM DISTRICT - ALL REACHES
RIVER REACH
ALDERBOURNE Fulmer to Colne BrookASH Colne to Ashford Cmn UTUASH Ashford Cron UTU to ThamesBRENT Dollfs/Muttn Bk to Neesdon LaneBRENT Neasdon Lane to Ueirbley BrookBRENT Uembley Brook to Costons BrookBRENT Costons Brook to Uyke StreamBRENT Uyke Stream to TidewayBULBOURNE Northchurch to GadeCATHERINE BOURNE Shenley STU to Mimmshall BrookCHESS Source to Chesham STUCHESS Chesham STU to Bols MillCHESS Bofs Mill to ChenlesCHESS Chenfes to Chenles STUCHESS Chentea STU to ColneCOLNE Colney Heath to Blackbirds STUCOLNE Blackbirds STU to HartsbourneCOLNE Hartsbourne to Gade/GUCCOLNE Gade/Guc to ChessCOLNE Chess to GUC (Harefield)COLNE GUC (Harefield) to MisbourneCOLNE Mfsbourne to ThamesCOLNE BROOK Uxbridge Moor to ThamesCRANE Yeadlng Brook to D. Of N's LowerCRANE D. of N's Lower to TidewayDOLLIS BROOK Hendon to BrentDUKE OF N'UMBERLAND Crane to Tideway
7.1108.110 2.620 4.710 2.870 6.930 6.130 3.370 9.700 3.250 4.220 0.3403.530 0.340 9.47010.5709.040
3.9101.3104.530 6.780 17.960
15.010 10.1603.4301.8004.260
LENGTH
(Kms)
SAMPLE POINT ROO CLASSACHIEVED
ALDERBOURNE US COLNE BK 2B 1AASH US ASHFORD CMMN WWKS 2B 1BASH US THAMES 2B 2ABRENT AT PRIESTLEY WAY, HENDON 3 1BBRENT, NEASDEN LANE WEMBLEY 3 1BBRENT US WESTERN AV ALPERTON 3 2ABRENT, UXBRIDGE RD KANWELL 3 2ABRENT/GUC, LOCK 100 BRENTFORD 3 3BULBOURNE US GADE 1A 2ACATHERINE BRN, RABLEY PK 1A 2ACHESS US CHESHAM STW 1A IBCHESS, BOIS MILL CHESHAM 2B 2BCHESS, LATIMER BR 2A 2ACHESS, CHENIES . 1B IBCHESS US COLNE 1B 1ACOLNE 100H DS VER 1B 1ACOLNE, BUSHEY MILL LANE 1B 1BCOLNE, HAMPER MILL OXHEY 1B 2ACOLNE/GUC US BATCHWORTH LOCK 1B 1BCOLNE/GUC US MAPLE LODGE STW IB 1BCOLNE, DENHAM GS 2A 2ACOLNE US THAMES 2A 1ACOLNE BK US THAMES 1B 1ACRANE ABOVE DUKE OF N'S RIV 2B 1BCRANE, NORTHCOTE RD ISLEWORTH 2B 2ADOLLIS BK US HUTTON BK HENDON 3 2ADUKE OF N'S RIV, KIDDS HILL 2B 18
Table 2
RIVER QUALITY ASSESSMENT : JULY 1990 TO JUNE 1991
AMERSHAM DISTRICT • ALL REACHES
RIVER REACH
DUKE OF N * LAND UPPER Colne to CraneELLEN BROOK Hatfield to ColneFELTHAMHILL BROOK Felthamhlll to Port lane BrookFRAYS Colne to PirmFRAYS Firm to ColneGADE Great Gaddesdon to BuibourneGADE Buibourne to Gade Avenue SWOGADE Gade Avenue SWO to Croxley MillGADE Croxley Nill to ColneGUC (ABOVE BERKHAMST Sunni t to BuibourneGUC (BATCHWORTH RCH) Source to ColneGUC (BLACK JACKS RCH Source to ColneGUC (BOXMOOR REACH) Buibourne to GadeGUC (CASSI08URY RCH) Source to GadeGUC (COWLEY REACH) Source to Iron BridgeGUC (COWLEY REACH) Iron Bridge to BrentGUC (CROXLEY REACH) Source to Gade
GUC (DENHAM REACH) Source to New Denham StrGUC (FROGMORE REACH) Source to GadeGUC (HAREFIELD RCH) Source to ColneGUC (KINGS LANGLEY R Source to GadeGUC (LADY CAPELS RCH Source to GadeGUC (PADDINGTON ARM) Bulls Bridge to Canal FeederGUC (PADDINGTON ARM) Canal Feeder to Camden RoadGUC (REGENT'S CANAL) Camden Road to Hertford UnionGUC (REGENT'S CANAL) Hertford Union to TidewayGUC (PIX FARM REACH) Source to Berkhamsted STW
9.330 3.4701.7106.9801.980 7.50011.3201.8102.0007.5802.1701.2002.2001.9306.5408.3701.970
5.330 1.020 0.650 1.220
0.29013.95010.450
7.0902.710 1.730
LENGTH
(Kms)
I
SAMPLE POINT RQO CLASS
ACHIEVED
DUKE OF N'S RIV (UPPER),RVR GDNS N FLTHM 2B 1AELLEN BROOK AT A4H HATFIELD 1B 1AFELTHAMHILL BK US PORTLANE BK 3 3FRAYS RIVER AT PACKET BOAT LANE IB IBFRAYS US COLNE 1B 1AGADE, UTR END 1A IBGADE/GUC, KUNTON BR 1A 2AGADE US CROXLEY CENTRE WATFORD 1B 2AGADE US GUC RICKMANSWORTH 1B 1BGUC, TRING 1B 2AGUC US SPRINGWELL LOCK IB 1BGUC AT COPPERM1LL LANE HAREFIELD 2B 2AGUC (BOXHOOR REACH) AT FISHERIES LANE, CHAULDEN 1B 2BGUC (CASSI06URY REACH) AT GADEBANK, CROXLEY 1B 2AGUC, HORTON RD.BRIDGE 2B IBGUC US LOCK 97 2A 2AGUC AT LOT MEAD LOCK 1B 2A
GUC AT A40, DENHAM 2B 18GUC AT DURRANTS HILL RD 1B 2A
2B NoSPT1B NoSPT1B NoSPT
GUC, EALING RD ALPERTON 2A 2AGUC, UESTBOURNE TRCE PADDINGTN . 2A 2AGUC, CAMLEY ST KINGS X 2B 1BGUC, SOLEBAY ST MILE END 2B IBGUC US BERKHAMSTED STU 1B 2A
Table 2
RIVER QUALITY ASSESSMENT
AMERSHAM DISTRICT - ALL
: JULY 1990 TO JUNE ‘
REACHES
1991
RIVER REACH LENGTH(Kms)
GUC (PIX FARM REACH) Berkhamsted STW to Bulbourne 1.460GUC (SLOUGH ARM) Source to GUC (Cowley) 7.000HARTSBOURNE Source to Colne 5.220HORTON BROOK Pinewood Studio to Colne Brook 14.500MIMMSHALL BROOK Elstree to Colne 9.800MISBOURNE Lttle Mfssenden to Bury End Ann 6.260MISBOURNE Bury End Arm to Chalfnt S.Giles 4.780MISBOURNE Chalfnt S.Giles to Gerrards X STW 7.960MISBOURNE Gerrards X STW to Colne 4.340NEW DENHAM STREAM Willow Bank to Colne 1.100NEW YEARS GRN BOURNE Source to Head Of Gravel 4.840NEW YEARS GRN BOURNE Head of Gravel to Frays River 1.200OLD RIVER CHESS Chess to Chess 2.050PINN Harrow Weald to Cannon Brook 10.430PINN Cannon Brook to Frays 9.500PORTLANE BROOK Feltham to Thames 5.420POTTERS BAR BROOK Potters Bar to Mimmshall Brook 3.330SALISBURY HALL BROOK London Colney to Colne 0.600SILK STREAM Edgware to Welsh Harp 5.340TAN HOUSE STREAM Source to Horton Brook 1.210TYKESWATER Aldenham to Colne 7.500VER DoLittle Mill to Sopwell St.Alb 9.030VER Sopwell St.Alb to Colne 6.570YEADING BROOK feeding E&W to Crane 7.810YEADING BROOK EAST Source to Yeading Brook 6.720YEADING 8R00K WEST Source to Yeading Brook 11.300
SAMPLE POINT RQO CLASS
ACHIEVED
GUC 1500M DS BERKHAMSTED STU 2B. 3GUC SLOUGH ARM, 1VER 2B 2AHARTSBOURNE US COLNE 2B 1AHORTON BK US COLNE BK 1B 18MIMMSHALL BK, WTR END 1B 1AMISBOURNE, LTL MISSENDEN U 1AMISBOURNE, BURY END AMERSHAM 1A IBMISBOURNE US GERRARDS X STU 1A 1AMISBOURNE DS GERRARDS X STU 1B 1BNEW DENHAM STREAM AT LIME UALK, NEU DENHAM 2B 1BNEW YEARS GREEN BRN AT HARVIL RD HAREFIELD X 3NEU YEARS GREEN BRN US FRAYS 1B 1BOLD RIVER CHESS AT LATIMER PARK FARM 1B 2APINN US CANNON BK IB 1BPINN US FRAYS IB 1APORTLANE BK US THAMES IB 2APOTTERS BAR BK US K1MMSHALL BK 1B 1BSALISBURY HALL BK US COLNE . 1B 1ASILK STR, RUSHGROVE PK HENDON 3 IBTANHOUSE STR, A4 COLNBROOK 2B 2BTYKESUATER US COLNE 1B 1AVER, GORHAMBURY 1A 1AVER US COLNE 1A 1AYEADING BK, NORTH HYDE ROAD HAYES 2B IBYEADING BK E US PRIORS FARM RSLIP 2B 3YEADING BK U, USTRN AV H1LNGDN 2B 2A
Table 2
RIVER QUALITY ASSESSMENT : JULY 1990 TO JUNE 1991
WALTHAM CROSS DISTRICT - ALL REACHES
RIVER REACH LENGTH(Kms)
ASH Much Hadham to Wareslde STW 4.730ASH Wareside STW to Lee 7.870BEANE Stevenage Bk to Watton At Stone 1.400BEANE Watton At Stone to Lee 10.760BOURNE BROOK Source to Rom/Beam 3.870BROOKKOUSE BROOK Stewards G m Rd to Roding 4.700CRIPSEY BROOK Thornwood to Delved Bridge 2.710CRIPSEY BROOK Delved Bridge to Moreton Brook 5.880CRISPEY BROOK Moreton Brook to Rodfng 8.090INGREBOURNE Brook Street to Brentwood STW 3.060INGREBOURNE Brentwood STW to Harold Court Rd 0.390INGREBOURNE Harold Court Rd to Riverside STW 13.340INGREBOURNE Riverside STW to Thames 1.760LEE Sundon Park to Leagrave 0.570LEE Leagrave to Luton Hoo Lakes 8.310LEE Luton Hoo Lakes to Luton STW 3.050LEE Luton STW to East Hyde Bdg 0.820LEE East Hyde Bdg to Uheathampstead 6.570LEE Uheatharapstead to Stanborough 8.410LEE Stanborough to Holwell Bridge 7.060LEE Holwell Bridge to Waterhall 2.870LEE Uaterhall to Rib 7.320LEE Rib to Ware Lock 2.330LEE Ware Lock to Stort 8.670LEE Stort to Kings Weir 4.740LEE Kings Weir to Tottenham Lock 18.050LEE Tottenham Locks to Springhill 2.100
SAMPLE POINT ROO CLASS
ACHIEVED
ASH, BR N OF UIDFORD 19 1AASH, EASNEYE IB 1ABEANE, UATTON AT STONE 1B 18BEANE, BEANE RD HERTFORD 1B 18
2B NoSPTBROOK HOUSE BK, BROOK HOUSE 3 2ACRIPSEY BK, DELVED BR 28 1BCRIPSEY BK, NORETON BR 2B 1ACRIPSEY BK, ONGAR BR 2A 1AINGREBOURNE, A12 BR 2B 1BINGREBOURNE, HAROLD CRT RD 3 2AINGREBOURNE, A13 BR 3 2BINGREBOURNE AT FROG ISLAND 3 ALEE, LEAGRAVE 28 3LEE US LUTON HOO LAKES 26 2ALEE US LUTON STW 2B 2ALEE, E HYDE BR 28 2BLEE, WHEATHAMPSTEAD 2B 2ALEE, STANBOROUGH 1B 2BLEE, HOLWELL BR 1B 28LEE, WATERKALL 1B 1BLEE, HERTFORD CASTLE 1B 2ALEE US WARE LOCK 1B 1ALEE, RYE HOUSE 18 1ALEE, DOB8S WEIR 1B 1BLEE, LEA VALLEY RO IB 1ALEE NAV, SPRINGHILL 3 3
I
Table 2
RIVER QUALITY ASSESSMENT : JULY 1990 TO JUNE 1991
WALTHAM CROSS DISTRICT • ALL REACHES
RIVER REACH
LEE SprlnghiLl to Lea Bridge WeirLEE Lea Br. Weir to Carpenters RoadLEE Carpenters Road to ThamesLEE NAV 'H• Hertford to LeeLEE NAV 'F' Ware to LeeLEE NAV 'B' Kings Weir to Tottenham LockLEE NAV 'A1 Lea Bridge Weir to BowLEE SUB ‘A1 Source to LeeMIMRAM King's Walden to DfgswellMIMRAM Digswell to LeePINCEY BROOK Stnstead Airprt to StortPYKMES BROOK Green Brook to Salmon BrookPYKMES BROOK (LEFT) Salmon Brook to LeePYMKES BROOK (RIGHT) Salmon Brook to LeeQUIN Quinbury Farm to RibRIB Buntingford to Westmi11RIB Westmi11 to QuinRIB Quin to StandonRIB Standon to LeeROOI KG A120 Canfield to Cripsey BrookROOI MG Cripsey Brook to Brookhouse BkROOING Brookhouse Bk to AbridgeROOI MG Abridge to Chigwell STWROOING Chigwell STW to Woodford BridgeROOING Woodford Bridge to Six Gate SluiceROM/BEAM Bourne Brook to A12 RoadbridgeROM/BEAM A12 Roadbridge to A13 Roadbridge
LENGTH(Kms)
1.2103.6906.8101.6402.49017.1705.7201.95012.78010.30018.300 12.8102.6350.1252.1002.0003.700
2.42017.05025.70015.6101.8309.3601.08010.1806.0608.800
LEE US LEA BR WEIR 3 3LEE, CARPENTERS RD 2B 2ALEE, CANNING TOWN BR 2B 1B
1B NOSPT1B NoSPT
LEE MAV SUB B, KEIDES WEIR 1B 1BLEE NAV SUBS A( 3 MILLS LANE 3 2A
1B NoSPTMIMRAM, COOICOTE BOTTOM 1A 1AMIMRAM, PANSHANGER 1B 1APINCEY BK, EALING BR 1B 2A?YMMES BK US SALMON BK 2B 2APYMMES BK L, FERRY LANE 3 2APYMMES BK R, FERRY LANE 3 2AQUIN, BRAUGHING BR IB 1ARIB, WESTMILL 2A 1ARIB, A10 NEW BR 1B 1ARIB, STANDON 1B 1ARIB, 8ENGE0 HALL 1B IBRXING, HIGH ONGAR BR 1B 1ARXING, PASSING FORD BR 1B 1BRXING, ABRIOGE 2A 1BRXING, LUXBOROUGH LANE 2A 1ARXING, UOXFORD BR 2A 1A .RXING, LONDON RD BR 2A 1BRON, A12 BR 2B 1BRCM / BEAM, A13 BR 2B 2A
SAMPLE POINT RQO CLASS
ACHIEVED
\
Table 2.
RIVER QUALITY ASSESSMENT : JULY 1990 TO JUNE 1991
WALTHAM CROSS DISTRICT - All REACHES
RIVER REACH LENGTH(Kms)
ROH/BEAM A13 Roedbridge to Thames 1.150SALMON BROOK Stag Hill to Deeptiams STW 11.810SALMON BROOK Deephams STW to Pynmes Brook 1.430SMALL RIVER LEE Source to Lee Nav *B' 7.750STANSTEAD MILL STR Source to Lee 2.060STORT Stnstd Hzel End to Stenstead Brook 0.690STORT Stanstead Brook to Bishops Stort 3.760STORT Bishops Stort to Great Hall Bk. 3.300STORT NAV Great Hall Bk. to Spellbrook 1.500STORT NAV Spellbrook to Pfncey Brook 6.480STORT NAV Pincey Brook to Burnt Mill 4.630STORT NAV Burnt Mill to Lee 7.300
SAMPLE POINT RQO CLASSACHIEVE
ROM / BEAM, HAVERING SLUICE 2B 2BSALMON BK US DEEPHAMS STU 28 3SALMON BK US ENFIELD DT 3 2A
2B NoSPT1B NoSPT
STORT, GYPSY LANE 1B 1BSTORT, CANNONS MILL 1B 1ASTORT US TWYFORD MILL LOCK . IB 1ASTORT, SPELLBROOK WEIR 2B 18STORT, SAUBRIDGEWORTH 2B 18STORT, BURNT MILL 18 1BSTORT, ROYDON 1B 1A
Table 2
RIVER QUALITY ASSESSMENT : JULY 1990 TO JUNE 1991
CROSSNESS DISTRICT • ALL REACHES
RIVER REACH
BEVERLEY BROOK W'cester Pk STW to Pyl BrookBEVERLEY BROOK Pyl Brook to TidewayHOGSMILL Brne Hall Ewell to Hogsmt11 STWHOGSMILL Hogsmlll STW to ThamesPOOL Source to RavensbournePYL BRXK Sutton STW to Beverley BrookQUAGGY Little Quaggy to RavensbourneRAVENSBOURNE Rookery Lane to PoolRAVENSBOURNE Pool to TidewayWANDLE Branch Confl. to Beddington STWWANDLE Beddington STW to TidewayWANDLE BDNGTN Wandle Park to WandleWANDLE CARSHALTON Source to Wandle
LENGTH(Kms}
2.3709.87T)8.2101.67T)5.1004.3005.5507.71106.2201.80010.0804.4001.600
SAMPLE POINT RQO CLASS
ACHIEVED
BEVERLEY BK, HOTSPUR PK 3 4BEVERLEY BK, KINGSTON VALE 3 3HOGSMILL US HOGSMILL STU 26 2AKOGSMILL US THAMES 3 3POOL, WINSFORD RD BELL GREEN 2B 1BPYL BK, U BARNES LANE 2B 1BQUAGGY, LEWISHAM HIGH ST 2B 1BRAVENSBOURNE, HAYES LANE BRMLY 28 1ARAVENSBOURNE, LADYWELL PK 2B 1AWANDLE, GOAT BR BEDDINGTON 1B 1AWANDLE, PLOUGH LANE WIMBLEDON 3 2BWANDLE BDNGTN, BDNGTN PK GS 1B 1BWANDLE CRSHLTN, BUTTER HILL BR 1B 1B
OB
JEC
TIVE
TABLE 2(a)
RIVER QUALITY- July 1990 to June 1991
ACHIEVEMENT1A 1B 2A 2B 3 4 NO DATA TOTAL
1A 455.4 196.5 24.3 1.2 0.0 0.0 8.4 685.7
1B 510.9 692.9 177.7 46.8 19.2 0.0 33.7 1,481.2
2A 77.1 202.4 131.9 7.5 14.5 0.0 19.7 453.1
2B 113.0 374.6 259.9 23.0 45.3 0.0 27.9 843.7
3 17.0 63.9 71.5 30.9 82.1 4.1 0.0 269.5
4 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0
X 0.0 8.6 6.6 5.1 4.8 0.0 62.0 87.1
TOTAL 1,173.4 1,538.9 671.9 114.5 166.0 4.1 151.7 3,820.4
Ait Lengths are in Kilometres,.
TABLE 2(b)
RIVER QUALITY - JULY 1990 TO JUNE 1991Length (Kms)2,000
1,500
1,000
500
1A
| R.Q.O.
j | Total Length in Class
1B 2A 2BRiver Quality Class
Table 3
River Sites Failing 78/659/EEC, The Fisheries Directive - Year from July 1990 to June 1991
River
Thames
Thames
Ray
Ray
Thame
EvenIode
EvenIode
Hart
Kennet
Loddon
Whitewater
Bourne (North)
Cranleigh Waters
Wey
Wey (North)
Colne
GUC
Lee
Lee
Thames '
Site
Hannington Bridge
Uater Intake Buscot
Seven Bridges Cricklade
Tadpole Bridge Purton
Cuddington Bridge
64449 Gassington
Oddington
Lea Bridge Haseley
G/S Marlborough
Long Bridge Sherfield
Above Blackuater
Hamperstone Bridge
Run Comron
Newark Lane Pyrford
Moor Park Bridge
Denham G/S
Durants Hill Road
Hertford Castle
Rye House
Teddington Weir
PCDist
Wandle (Beddington) Beddington Park G/S
FailedDets.
UiA
Anti/Ui A/DO
Anti/UiA/DO
DO
DO
DO
Anti/UiA
DO
AirN
DO/Anti
DO
DO
Anti
Anti/Ui A/DO
Anti
Anti
Anti
Anti
UiA
Anti
Saqples Samples Samples Planned Taken Failed
12
12
12
25
25
12
25
25
12
25
12
12
25
12
12
50
12
12
12
25
12
11
10
12
22
33
13
25
25
13
24
13
5
10
12
19
38
13
12
11
29
25
2
2
8
14
17
7
14
4
7
3
7
3
6
2
2
3
4
3
2
4
2
Table 4DANGEROUS SUBSTANCES DIRECTIVE FAILURES - FRESHWATER
River Site
Year from July 1990 to Jixte 1991
Fai IsSamples Samples
Limit (Mean) ug/l Annual Mean ug/l Taken Planned
Beverley Brook Priests Bridge
Bourne (North) Kamperstonr Bridge
Cut Above Thmes
Hogsmill Above Thames
Ingrebourne A13 Bridge
HCH (total) 0.050
Lee
Lee
WandIe
Carpenters Road
Lea Bridge Weir
Copper (dis) 28.000
Cadniun 1.000
KCH (total)
Endrin Isodrin
HCH (total)
HCH (total)
The Causeway, Wandsworth HCH (total)TCB (total)
0.050
0.0050.005
0.050
0.0500.400
0.060
71.056
1.100
0.104
0.00540.0054
A /1/Au.uou
0.083
0.1900.836
12
0
12
12
1212
12
12
1212
Wey Above Thames HCH (total) 0.050 0.231 12
05/09/91 Page 1
COMPLIANCE WITH TIDEWAY OBJECTIVES AND STANDARDS
Table 5
1991 SECOND QUARTER APR - JUH
| REACH STANDARD ACHIEVEMENT | PASS/FAIL ...... 1.... .....
COMMENTS
DO > 40% for 80% time 20 percentile = 41%
....1..........1| PASSI
DO > 10% for 95% time 5 percentile = 23%1| PASSI
Mean DO = 56%
| Teddington
I t0| Battersea
Min. DO 5%
Max. Temp. 28 C
12%
18.7 C
1| PASS
1| PASS 1
|Length = 23KmList I substances
List II substances
Presence of Dace
1111111
See Table 6
See Table 6
BMWP score > 25 Teddington = 50 Kew = 36Hanmersmith = 27 Cadogan = 30
1| PASS
1 1 1
_____1.........
DO > 30% for 80X time 20 percentile = 24%
11| FAIL 1
J Battersea
I to| Mucking
DO > 10% for 95% time
Min. DO 5%
Max. Temp. 28 C
5 percent:lo - 1SX
10%
18.0 C
1| PASS
1| PASS
1| PASSI
Mean DO - 32%
(Length = 61 Km List I substances
List II substances
11111
See Table 6
See Table 6
Fish species > 9 Min. of 13 species1| PASS
_____1___________
| Mucking
I| Seaward ( Limit
DO > 60% for 80% time
DO > 10% for 95% time
Min. DO 5%
Min. DO = 78%
Nin. DO = 78%
Min. DO = 78%
11| PASS
1| PASS
1| PASS 1
Mean DO = 91%
| Length = 28Kjh
Max. Temp. 28 C
List I substances
List II substances
15.5 C1| PASS
11
1
I
See Table 6
See Table 6
Produced 05/09/91. Environmental Quality (AHP)
Table 6
DANGEROUS SUBSTANCES DIRECTIVE FAILURES • TIDEWAY
Year from July 1990 to June 1991
Site Fails Limit (Mean) ug/l Annual Average ug/l Samples Taken
No. 2 Sea Reach
Chapman Buoy
Mucking
Erith
London Bridge
Copper (dis) 5.0 HCH (total) 0.02
Copper (dis) 5.0
Copper (dis) 5.0
Copper (dis) 5.0 ZincHCH (total)
Copper (dis)ZincKCH (total)Endrin Isodrin
Barnes Copper (dis)7 «b n a v
HCH (total)
40.0 0.02
5.040.0
0.02 0.005 0.005
5.0 40.u
0.02
6.500.034
6.19
7.93
5.1060.90.029
18.8163.50.0360.00540.0054
16.8842.670.040
05/09/91