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1 REPORT OF CHIEF ENGINEER HUDSON RIVER - BLACK RIVER REGULATING DISTRICT BOARD MEETING APRIL 10, 2020 – MAYFIELD, NEW YORK HUDSON RIVER AREA - MARCH SUMMARY Reservoir Operation Great Sacandaga Lake The March average daily release from the Sacandaga Reservoir (Great Sacandaga Lake) was approximately 2,390 cubic feet per second (cfs). The Upper Hudson / Sacandaga River Offer of Settlement target elevation for March 31 is 748.12 feet (ft.). The release of water from Great Sacandaga Lake was consistent with the Upper Hudson/Sacandaga River Offer of Settlement. Table 1.0 - Great Sacandaga Lake Elevation and Release Date Daily Average Elevation Deviation (ft) (1) Release (cfs) (ft,NAVD) (4) From Average From Offer of Settlement Conklingville Dam E.J. West (2) Hydro Plant Feb. 28 754.11 +7.36 +5.57 0 4,080 Mar. 31 760.6 (e) +10.0 (e) +12.5 (e) 0 350 (e) Notes: (1) Difference between current reservoir elevation and historic average or Level 3 (2) Release established by Regulating District (3) "(e)" represents estimated value (4) "NAVD” is North American Vertical Datum Indian Lake Reservoir The March average daily release from Indian Lake was approximately 195 cfs. Table 2.0 - Indian Lake Reservoir Elevation and Release Date Daily Average Elevation (1) Deviation (ft) Release (ft, NAVD) From Average From Target (cfs) Feb. 28 1,637.80 -2.31 -0.10 180 Mar. 31 1,643.8 (e) +2.2 (e) +6.7 (e) 212 (e) Notes: (1) Local datum = NAVD elevation + 1617.63ft; spillway crest = 1651.01ft (33.38ft) (2) "(e)" represents estimated value

REPORT OF CHIEF ENGINEER HUDSON RIVER - BLACK RIVER ......HUDSON RIVER - BLACK RIVER REGULATING DISTRICT BOARD MEETING APRIL 10, 2020 – MAYFIELD, NEW YORK . HUDSON RIVER AREA - MARCH

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    REPORT OF CHIEF ENGINEER HUDSON RIVER - BLACK RIVER REGULATING DISTRICT

    BOARD MEETING APRIL 10, 2020 – MAYFIELD, NEW YORK

    HUDSON RIVER AREA - MARCH SUMMARY

    Reservoir Operation

    Great Sacandaga Lake

    The March average daily release from the Sacandaga Reservoir (Great Sacandaga Lake) was approximately 2,390 cubic feet per second (cfs). The Upper Hudson / Sacandaga River Offer of Settlement target elevation for March 31 is 748.12 feet (ft.). The release of water from Great Sacandaga Lake was consistent with the Upper Hudson/Sacandaga River Offer of Settlement. Table 1.0 - Great Sacandaga Lake Elevation and Release

    Date Daily Average Elevation

    Deviation (ft) (1) Release (cfs)

    (ft,NAVD)(4) From Average

    From Offer of Settlement

    Conklingville Dam

    E.J. West (2) Hydro Plant

    Feb. 28 754.11 +7.36 +5.57 0 4,080

    Mar. 31 760.6 (e) +10.0 (e) +12.5 (e) 0 350 (e) Notes: (1) Difference between current reservoir elevation and historic average or Level 3 (2) Release established by Regulating District

    (3) "(e)" represents estimated value (4) "NAVD” is North American Vertical Datum

    Indian Lake Reservoir The March average daily release from Indian Lake was approximately 195 cfs.

    Table 2.0 - Indian Lake Reservoir Elevation and Release

    Date Daily Average Elevation (1) Deviation (ft)

    Release

    (ft, NAVD) From Average From Target (cfs)

    Feb. 28 1,637.80 -2.31 -0.10 180

    Mar. 31 1,643.8 (e) +2.2 (e) +6.7 (e) 212 (e) Notes: (1) Local datum = NAVD elevation + 1617.63ft; spillway crest = 1651.01ft (33.38ft) (2) "(e)" represents estimated value

  • 2

    HUDSON RIVER AREA - MARCH SUMMARY- continued River Flow Hudson River flow, downstream of the confluence with the Sacandaga River, was approximately 8,780 cfs on March 30 and approximately 1,120 cfs above the historic average flow. Table 3.0 - Sacandaga, Indian, and Hudson River Flow

    River Monthly Average Flow

    Historic Average Flow (2)

    (cfs) (cfs)

    Sacandaga at Hope 2,670 (e) 1,640

    Sacandaga at Stewarts Bridge 2,390 (e) 1,990

    Indian at Indian Lake Dam 195 (e) 280

    Hudson at Hadley (1) 5,120 (e) 3,680

    Notes: (1) Above confluence with Sacandaga River (2) Based on USGS records (3) "(e)" represents estimated value (4) Gauge unavailable due to ice

    Precipitation Monthly total precipitation measured 88%, 96%, and 91% historic average at Indian Lake, Mayfield, and Conklingville, respectively, as of March 30 Table 4.0 - Hudson River Basin Precipitation - as of March 30

    Station Monthly Total Historic Average (inch) (inch)

    Indian Lake 2.71 3.08

    Mayfield 3.45 3.59

    Conklingville 3.29 3.63

  • 3

    HUDSON RIVER AREA - MARCH SUMMARY- continued Operation Overview Precipitation during the month of March was below normal across the Great Sacandaga Lake watershed and the Indian Lake watershed. The monthly inflow to Great Sacandaga Lake and Indian Lake reservoir was approximately 145% and 133% of historic average, respectively. Monthly release of water from Great Sacandaga Lake and Indian Lake measured 116% and 67% of historic average, respectively. Great Sacandaga Lake Operation Great Sacandaga Lake operation summary report for the period March 1, 2020 through March 29, 2020 is attached. This report includes projected and forecast values for dates after March 29, 2020. Hudson River Area Staff Activities Staff completed routine maintenance and operations activities during the month. A summary of Regulating District staff activities and work projects at the dam facilities is attached in the Administrator’s Report.

  • 4

    BLACK RIVER AREA – MARCH SUMMARY

    Reservoir Operations

    Stillwater Reservoir

    The March average daily release from Stillwater Reservoir was approximately 430 cfs. The maximum discharge for the month was 700 cfs.

    Table 1.0 - Stillwater Reservoir Elevation and Release

    Date Daily Average Elevation

    Deviation from Average Elevation

    Release

    (ft, NAVD) (ft) (1) (cfs) Feb. 28 1,664.40 -1.38 700

    Mar. 31 1,668.4 (e) +0.83 (e) 300 (e) Notes: (1) Difference between current reservoir elevation and historic average (2) "(e)" represents estimated value

    Sixth Lake Reservoir

    The March average daily release from Sixth Lake Reservoir was approximately 50 cfs. Table 2.0 - Sixth Lake Reservoir Elevation and Release

    Date Elevation (1) Deviation from Average Elevation (2)

    Release

    (ft, NAVD) (ft) (cfs)

    Feb. 28 1,779.35 -2.49 48

    Mar. 31 1,781.5 (e) -0.20 (e) 26 Notes: (1) Local datum = USGS datum (2) Difference between current reservoir elevation and historic average.

    (3) "(e)" represents estimated value

    Old Forge Reservoir

    The March average daily release from Old Forge Reservoir was approximately 110 cfs.

    Table 3.0 - Old Forge Reservoir Elevation and Release Date Elevation (1) Deviation from

    Average Elevation (2) Release

    (ft, NAVD) (ft) (cfs)

    Feb. 28 1,702.87 -0.71 116

    Mar. 31 1,704.1 (e) -0.3 (e) 41 (e) Notes: (1) Local Datum = USGS elevation

    (2) Difference between current reservoir elevation and historic average. (3) "(e)" represents estimated value

  • 5

    BLACK RIVER AREA - MARCH SUMMARY - continued

    River Flow

    The average daily Black River flow, as measured at the Watertown gauge, was approximately 6,150 cfs on March 29.

    Table 4.0 - Moose, Independence, Beaver, and Black River Flow

    River Monthly Average Flow

    Historic Average Flow (1)

    (cfs) (cfs)

    Moose at McKeever 1,967 (e) 1,107

    Beaver at Croghan 1,030 (e) 722

    Black at Watertown 9,160(e) 6,160

    Notes: (1) Based on USGS records (2) "(e)" represents estimated value

    (3) Stage and flow affected by ice in river Precipitation Monthly total precipitation measured 65%, 73%, 63% of historic average at Stillwater, Old Forge, and Sixth Lake, respectively, as of March 29.

    Table 5.0 - Black River Basin Precipitation - as of March 29

    Station Monthly Total Historic Average (inch) (inch)

    Stillwater 2.16 3.30

    Old Forge 2.66 3.63

    Sixth Lake 2.10 3.35

  • 6

    BLACK RIVER AREA - MARCH SUMMARY - continued Operation Overview Precipitation in the month of March was below average at Stillwater, Old Forge and at Sixth Lake. The monthly inflow to Stillwater Reservoir was approximately 131% of historic average. The inflow to Sixth Lake and Old Forge Reservoir totaled 0.20 and 0.44 billion cubic feet, respectively, in March. Release of water from Stillwater Reservoir averaged 106% of historic discharge. Black River Area Staff Activities A summary of Regulating District staff activities and work projects at the dam facilities is attached in the Administrator’s Report.

  • 7

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  • Signature:__________________________________________________________________________________

    Date:_________________________ 8:13 AM U:\Hudson River Area\Hydrologic and Hydraulic\Sacandaga Reservoir\Great Sacandaga Lake Elevation Calculator - NAVD88.xlsx

    SACANDAGA RESERVOIR ELEVATION CALCULATORDatum: Settlement Parameters1988 NAVD Date 3/30/2020 Whitewater Daily Avg Daily Conditions

    Target Elevation 748.12 (hrs) (cfs) Date 3/30/2020Actual "Level" 3.28 3 806 Day of Year 4838 Dan McCarty 744-2067 Eric Johnson"Level 2.5 threshold" 4 958 Starting Elevation (ft) 759.54 759.79 Piezometers 518-696-5807 863-8791"Level 1.2 threshold" 740.42 5 1110 Average Elevation 759.38Hudson River Target Elevation Level 6 1263 ACTUAL High ValueMaximum Flow (cfs) 8000 8060 Rafting Relase at Abanakee 7 1415 Flow Below Hadley (cfs) 8000 SCHEDULED Low ValueMinimum Flow (cfs) n/a 2560 North Crk T, Th, Sa., Su. 8 1567 Todays Release 2660 ESTIMATED Instant. (min + raffting)Min. Rec/Rafting Hours (hrs) #VALUE! Hadley M, W, F, Su. * 4000 cfs/hr + base flow 350 cfs Tomorrows Release 2100 TO BE CHANGED

    Starting Date Starting Net Settlement Hudson Hudson River Hudson River Target Flow Ending Ending Date Daily Settlement Historic Daily12:00 AM Elevation Average E.J. West Valves Spillway Average Maximum Level at Hadley Below Minimum Maximum Elevation 12:00 AM Average Target Average Elev.

    Inflow Release (Table F - Elev.) Confluence (Table C - Level) (Table D - Elev.) (Table E - Level) Elevation Elevation

    3/1/2020 753.99 1200 4080 0 0 4080 4000 3.23 1730 5810 2460 6000 7960 753.73 3/2/2020 753.86 748.49 746.483/2/2020 753.73 1400 4080 0 0 4080 4000 3.23 1840 5920 2460 6000 7960 753.48 3/3/2020 753.61 748.43 746.403/3/2020 753.48 3000 4080 0 0 4080 4000 3.22 1920 6000 2440 6000 7940 753.38 3/4/2020 753.43 748.38 746.313/4/2020 753.38 4400 4080 0 0 4080 4000 3.21 2520 6600 2420 6000 7920 753.40 3/5/2020 753.39 748.33 746.253/5/2020 753.40 4300 2920 0 0 2920 4000 3.20 2800 5720 2400 6000 7900 753.52 3/6/2020 753.46 748.28 746.213/6/2020 753.52 3100 2780 0 0 2780 4000 3.19 2800 5580 2380 6000 7880 753.54 3/7/2020 753.53 748.22 746.183/7/2020 753.54 3000 3050 0 0 3050 4000 3.20 2700 5750 2400 6000 7900 753.53 3/8/2020 753.54 748.17 746.153/8/2020 753.53 2700 3340 0 0 3340 4000 3.23 2560 5900 2460 6000 7960 753.47 3/9/2020 753.50 748.12 746.153/9/2020 753.47 3500 3340 0 0 3340 4000 3.22 2620 5960 2440 6000 7940 753.48 3/10/2020 753.48 748.12 746.17

    3/10/2020 753.48 5600 3080 0 0 3080 4000 3.22 3460 6540 2440 6000 7940 753.70 3/11/2020 753.59 748.12 746.183/11/2020 753.70 7800 2030 0 0 2030 4000 3.24 5110 7140 2480 6000 7980 754.21 3/12/2020 753.96 748.12 746.223/12/2020 754.21 5900 2730 0 0 2730 4000 3.25 5480 8210 2500 8000 8000 754.49 3/13/2020 754.35 748.12 746.283/13/2020 754.49 11000 2310 0 0 2310 4000 3.27 6840 9150 2540 8000 8040 755.26 3/14/2020 754.88 748.12 746.403/14/2020 755.26 9000 424 0 0 424 4000 3.28 9100 9524 2560 8000 8060 756.00 3/15/2020 755.63 748.12 746.513/15/2020 756.00 6200 421 0 0 421 4000 3.28 8280 8701 2560 8000 8060 756.50 3/16/2020 756.25 748.12 746.613/16/2020 756.50 4800 740 0 0 740 4000 3.30 7100 7840 2600 8000 8100 756.85 3/17/2020 756.68 748.12 746.743/17/2020 756.85 4000 2070 0 0 2070 4000 3.33 6040 8110 2660 8000 8160 757.01 3/18/2020 756.93 748.12 746.923/18/2020 757.01 3000 2450 0 0 2450 4000 3.37 5320 7770 2740 8000 8240 757.05 3/19/2020 757.03 748.12 747.103/19/2020 757.05 3600 3070 0 0 3070 4000 3.37 4890 7960 2740 8000 8240 757.09 3/20/2020 757.07 748.12 747.283/20/2020 757.09 7600 2150 0 0 2150 4000 3.37 4960 7110 2740 8000 8240 757.55 3/21/2020 757.32 748.12 747.473/21/2020 757.55 7300 416 0 0 416 4000 3.37 6820 7236 2740 8000 8240 758.13 3/22/2020 757.84 748.12 747.693/22/2020 758.13 5800 414 0 0 414 4000 3.37 7210 7624 2740 8000 8240 758.58 3/23/2020 758.36 748.12 747.933/23/2020 758.58 5300 1180 0 0 1180 4000 3.37 6620 7800 2740 8000 8240 758.92 3/24/2020 758.75 748.12 748.143/24/2020 758.92 4000 2110 0 0 2110 4000 3.37 5910 8020 2740 8000 8240 759.07 3/25/2020 759.00 748.12 748.373/25/2020 759.07 3000 2990 0 0 2990 4000 3.38 5320 8310 2760 8000 8260 759.07 3/26/2020 759.07 748.12 748.603/26/2020 759.07 4200 3200 0 0 3200 4000 3.40 4820 8020 2800 8000 8300 759.15 3/27/2020 759.11 748.12 748.893/27/2020 759.15 3100 3630 0 0 3630 4000 3.42 4840 8470 2840 8000 8340 759.10 3/28/2020 759.13 748.12 749.263/28/2020 759.10 4300 2860 0 0 2860 4000 3.45 5090 7950 2900 8000 8400 759.21 3/29/2020 759.16 748.12 749.653/29/2020 759.21 6700 2660 0 0 2660 4000 3.48 5340 8000 2960 8000 8460 759.54 3/30/2020 759.38 748.12 750.073/30/2020 759.54 8000 2100 0 0 2100 4000 3.50 5900 8000 3000 8000 8500 760.03 3/31/2020 759.79 748.12 750.543/31/2020 760.03 8700 1800 0 0 1800 4000 3.52 6200 8000 3040 8000 9300 760.59 4/1/2020 760.31 748.12 751.054/1/2020 760.59 7200 2000 0 0 2000 4000 3.55 6000 8000 3100 8000 10500 754.37 3/18/2020 748.12 751.61

    1/19/2019 767.29 1000 4500 0 0 4500 5487 3.00 1500 6000 2000 8000 7500 751.18 3/15/2019 #N/A #N/A500

    Sacandaga River Flow

    Ft. E

    d. F

    loo

    Justin St.John

    Jonathan Norris

    518-743-2004 (w)315-396-8194 (cell)518-743-2094

    BROOKFIELD HYDRO CONTROL CENTER: 877-816-7466

  • GREAT SACANDAGA LAKE Print Date: 3/30/2020RESERVOIR OPERATION SUMMARY 3/1/2020 to 3/29/2020

    Starting Date Daily Avg. Net Sacandaga River Flow Settlement Hudson Hudson River Hudson River Target Flow Maximum12:00 AM Elevation Average Average Maximum Level at Hadley Below Minimum Maximum Allowable

    Inflow Release (Table F - Elev.) Confluence (Table B - Level) (Table D & E) Sacandaga

    3/1/2020 753.86 1200 4080 4000 3.23 1730 5810 2460 6000 40003/2/2020 753.61 1400 4080 4000 3.23 1840 5920 2460 6000 40003/3/2020 753.43 3000 4080 4000 3.22 1920 6000 2440 6000 40003/4/2020 753.39 4400 4080 4000 3.21 2520 6600 2420 6000 40003/5/2020 753.46 4300 2920 4000 3.20 2800 5720 2400 6000 40003/6/2020 753.53 3100 2780 4000 3.19 2800 5580 2380 6000 40003/7/2020 753.54 3000 3050 4000 3.20 2700 5750 2400 6000 40003/8/2020 753.50 2700 3340 4000 3.23 2560 5900 2460 6000 40003/9/2020 753.48 3500 3340 4000 3.22 2620 5960 2440 6000 40003/10/2020 753.59 5600 3080 4000 3.22 3460 6540 2440 6000 40003/11/2020 753.96 7800 2030 4000 3.24 5110 7140 2480 6000 40003/12/2020 754.35 5900 2730 4000 3.25 5480 8210 2500 8000 40003/13/2020 754.88 11000 2310 4000 3.27 6840 9150 2540 8000 40003/14/2020 755.63 9000 424 4000 3.28 9100 9524 2560 8000 40003/15/2020 756.25 6200 421 4000 3.28 8280 8701 2560 8000 40003/16/2020 756.68 4800 740 4000 3.30 7100 7840 2600 8000 40003/17/2020 756.93 4000 2070 4000 3.33 6040 8110 2660 8000 40003/18/2020 757.03 3000 2450 4000 3.37 5320 7770 2740 8000 40003/19/2020 757.07 3600 3070 4000 3.37 4890 7960 2740 8000 40003/20/2020 757.32 7600 2150 4000 3.37 4960 7110 2740 8000 40003/21/2020 757.84 7300 416 4000 3.37 6820 7236 2740 8000 40003/22/2020 758.36 5800 414 4000 3.37 7210 7624 2740 8000 40003/23/2020 758.75 5300 1180 4000 3.37 6620 7800 2740 8000 40003/24/2020 759.00 4000 2110 4000 3.37 5910 8020 2740 8000 40003/25/2020 759.07 3000 2990 4000 3.38 5320 8310 2760 8000 40003/26/2020 759.11 4200 3200 4000 3.40 4820 8020 2800 8000 40003/27/2020 759.13 3100 3630 4000 3.42 4840 8470 2840 8000 40003/28/2020 759.16 4300 2860 4000 3.45 5090 7950 2900 8000 40003/29/2020 759.38 6700 2660 4000 3.48 5340 8000 2960 8000 40003/30/2020 759.79 8000 2100 4000 3.50 5900 8000 3000 8000 40003/31/2020 760.31 8700 1800 4000 3.52 6200 8000 3040 8000 4000

    Period of Record:

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    Great Sacandaga Lake Inflow

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  • STATE OF NEW YORKHUDSON RIVER-BLACK RIVER REGULATING DISTRICT

    Monthly Report for: February 2020Sacandaga Sacandaga Sacandaga Reservoir Sacandaga Hudson RegulatedReservoir Reservoir River Near Inflow River at River at Hudson River

    Day Elevation Elevation Hope Hope x 2.0710 Stewarts Bridge Hadley below confluenceAverage Daily Midnight cfs cfs cfs cfs cfs

    1 761.00 761.12 640 1325 4110 2560 66702 760.76 760.86 609 1261 4110 2460 65703 760.52 760.63 582 1205 4160 2360 65204 760.26 760.37 564 1168 4160 2280 64405 760.00 760.11 549 1137 4160 2170 63306 759.77 759.88 528 1093 4170 1890 60607 759.61 759.62 608 1259 4200 1930 61308 759.42 759.56 631 1307 4210 1640 58509 759.15 759.29 595 1232 4210 1710 5920

    10 758.95 759.04 628 1301 4210 1970 618011 758.72 758.84 630 1305 4210 2080 629012 758.48 758.62 592 1226 4210 2040 625013 758.24 759.34 571 1183 4190 1910 610014 757.99 759.12 528 1093 4210 1740 595015 757.69 757.85 497 1029 4210 1360 557016 757.41 757.55 536 1110 4210 1600 581017 757.13 757.27 522 1081 4200 1750 595018 756.86 756.94 496 1027 4200 1540 574019 756.63 756.81 540 1118 4200 1620 582020 756.34 756.47 509 1054 4210 1640 585021 756.05 756.20 497 1029 4220 1410 563022 755.75 755.91 601 1245 4210 1440 565023 755.45 755.59 545 1129 4200 1540 574024 755.15 755.31 495 1025 4160 1590 575025 754.85 754.99 510 1056 4200 1550 575026 754.60 754.72 549 1137 4180 1590 577027 754.47 754.51 650 1346 4090 1760 585028 754.32 754.40 800 1657 4080 1900 598029 754.11 754.19 736 1524 4080 1860 5940

    AVERAGE 580 1200 4180 1820 6000

    CHANGE IN STORAGE DURING THE MONTH -7.22 B.C.F.

    88 NAVD

    SACANDAGA RESERVOIR / HUDSON RIVER REGULATION

    CHIEF ENGINEER

  • Monthly Report for: February, 2020

    1 1639.00 1639.10 171 501 197 12002 1638.81 1638.90 186 499 189 12003 1638.63 1638.72 184 496 182 11904 1638.43 1638.54 102 415 175 12105 1638.36 1638.37 149 184 168 7786 1638.35 1638.34 219 184 166 7637 1638.41 1638.37 307 185 179 8718 1638.43 1638.43 167 184 195 9229 1638.40 1638.42 149 184 194 938

    10 1638.39 1638.40 97 184 192 93911 1638.36 1638.36 167 184 185 93212 1638.33 1638.34 149 184 178 90113 1638.30 1638.32 81 185 172 87914 1638.26 1638.26 184 184 163 76415 1638.23 1638.26 80 184 156 75716 1638.18 1638.20 115 184 151 75517 1638.13 1638.16 62 184 147 73218 1638.12 1638.10 184 184 143 72219 1638.09 1638.10 113 182 141 71920 1638.04 1638.05 78 182 137 71021 1637.99 1637.99 147 182 133 64122 1637.94 1637.97 78 182 130 62723 1637.89 1637.91 78 182 127 63324 1637.84 1637.86 129 181 127 63425 1637.79 1637.82 58 180 128 62326 1637.76 1637.75 163 180 133 62427 1637.80 1637.74 302 180 150 64928 1637.80 1637.81 58 180 171 688

    AVERAGE 141 225 161 821

    CHANGE IN STORAGE DURING THE MONTH -0.213 B.C.F

    88 NAVD

    CHIEF ENGINEER

    Net Reservoir Inflow

    cfs

    Hudson River at Newcomb

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    North Creek cfs

    STATE OF NEW YORKHUDSON RIVER-BLACK RIVER REGULATING DISTRICT

    INDIAN LAKE RESERVOIR REGULATION

    Reservoir Elevation

    Average Daily

    Reservoir Elevation Midnight

    Day

  • STATE OF NEW YORKHUDSON RIVER-BLACK RIVER REGULATING DISTRICT

    STILLWATER RESERVOIR / BLACK RIVER REGULATIONMonthly Report for: February 2020

    Stillwater Stillwater Stillwater Stillwater Black River Beaver River RegulatedReservoir Reservoir Reservoir Reservoir at Boonville at Croghan Black River at

    Day Elevation Elevation Net Inflow Release WatertownAverage Daily Midnight cfs cfs cfs cfs cfs

    1 1670.82 1670.82 230 700 580 898 38302 1670.63 1670.62 253 700 565 893 35603 1670.42 1670.42 206 700 544 908 36104 1670.20 1670.21 159 700 514 850 33205 1669.97 1669.98 220 700 488 761 32606 1669.77 1669.75 336 700 468 783 31107 1669.62 1669.57 470 700 462 866 28308 1669.44 1669.44 279 700 498 895 22409 1669.22 1669.22 279 700 523 1030 3320

    10 1669.00 1669.00 260 700 511 860 247011 1668.77 1668.78 260 700 500 843 249012 1668.54 1668.55 241 700 454 898 259013 1668.32 1668.31 279 700 396 856 254014 1668.08 1668.09 241 700 342 749 319015 1667.83 1667.85 203 700 316 853 299016 1667.57 1667.59 203 700 310 863 291017 1667.31 1667.33 203 700 302 777 293018 1667.05 1667.07 222 700 293 801 300019 1666.78 1666.82 145 700 288 790 289020 1666.50 1666.53 183 700 283 801 289021 1666.21 1666.25 107 700 288 835 301022 1665.91 1665.94 183 700 310 846 287023 1665.63 1665.67 69 700 352 851 270024 1665.31 1665.35 126 700 427 742 275025 1665.02 1665.05 164 700 482 692 273026 1664.74 1664.77 222 700 520 818 295027 1664.56 1664.51 451 700 768 925 344028 1664.40 1664.38 336 700 855 1010 3950

    AVERAGE 233 700 450 850 3010

    CHANGE IN STORAGE DURING THE MONTH -1.17 B.C.F.

    CHIEF ENGINEER88 NAVD

  • Gate A Gate B

    1 1781.31 1781.36 28 0.83 0.83 632 1781.21 1781.26 31 0.83 0.83 623 1781.12 1781.17 24 0.83 0.83 624 1781.02 1781.06 26 0.83 0.83 615 1780.92 1780.96 30 0.83 0.83 616 1780.84 1780.87 43 0.83 0.83 607 1780.83 1780.82 60 0.83 0.83 608 1780.78 1780.82 29 0.83 0.83 609 1780.69 1780.73 35 0.83 0.83 59

    10 1780.61 1780.66 27 0.83 0.83 5811 1780.52 1780.57 23 0.83 0.83 5812 1780.43 1780.47 29 0.83 0.83 5713 1780.35 1780.39 28 0.83 0.83 5614 1780.27 1780.31 25 0.83 0.83 5615 1780.18 1780.22 27 0.83 0.83 5516 1780.10 1780.14 23 0.83 0.83 5417 1780.01 1780.05 22 0.83 0.83 5318 1779.93 1779.96 36 0.83 0.83 5319 1779.86 1779.91 22 0.83 0.83 5220 1779.77 1779.82 21 0.83 0.83 5221 1779.69 1779.73 23 0.83 0.83 5122 1779.61 1779.65 22 0.83 0.83 5023 1779.53 1779.57 19 0.83 0.83 5024 1779.45 1779.48 25 0.83 0.83 4925 1779.37 1779.41 24 0.83 0.83 4826 1779.34 1779.34 55 0.83 0.83 4827 1779.37 1779.36 51 0.83 0.83 4828 1779.35 1779.37 38 0.83 0.83 48

    AVERAGE 30 55

    CHANGE IN STORAGE DURING THE MONTH -0.062 B.C.F

    88 NAVD

    CHIEF ENGINEER

    Net Reservoir Inflow

    cfs

    Reservoir Release

    (cfs)

    STATE OF NEW YORKHUDSON RIVER-BLACK RIVER REGULATING DISTRICT

    SIXTH LAKE RESERVOIR REGULATION

    Reservoir Elevation

    Average Daily

    Reservoir Elevation Midnight

    DayGate Opening (ft)

    Monthly Report for: February, 2020

  • Gate A Gate B

    1 1703.27 1703.28 105 1.50 1.50 1212 1703.25 1703.26 90 1.50 1.50 1213 1703.22 1703.24 105 1.50 1.50 1214 1703.21 1703.23 57 1.50 1.50 1205 1703.18 1703.19 106 1.50 1.50 1206 1703.19 1703.18 150 1.50 1.50 1207 1703.23 1703.20 214 1.50 1.50 1208 1703.26 1703.27 105 1.50 1.50 1219 1703.24 1703.25 90 1.50 1.50 121

    10 1703.22 1703.23 104 1.50 1.50 12011 1703.21 1703.22 59 1.50 1.50 12012 1703.17 1703.18 91 1.50 1.50 12013 1703.16 1703.16 90 1.50 1.50 11914 1703.12 1703.14 61 1.50 1.50 11915 1703.09 1703.11 73 1.50 1.50 11816 1703.06 1703.08 73 1.50 1.50 11817 1703.04 1703.05 72 1.50 1.50 11718 1703.02 1703.02 117 1.50 1.50 11719 1702.97 1703.01 58 1.50 1.50 11620 1702.95 1702.97 74 1.50 1.50 11621 1702.91 1702.94 59 1.50 1.50 11522 1702.88 1702.90 101 1.50 1.50 11523 1702.85 1702.89 58 1.50 1.50 11424 1702.82 1702.86 86 1.50 1.50 11425 1702.82 1702.84 153 0.67 0.67 8426 1702.86 1702.88 133 0.67 0.67 6427 1702.89 1702.93 39 1.50 1.50 8128 1702.87 1702.90 144 1.50 1.50 116

    AVERAGE 95 114

    CHANGE IN STORAGE DURING THE MONTH -0.048 B.C.F

    88 NAVD

    CHIEF ENGINEER

    Net Reservoir Inflow

    cfs

    Reservoir Release

    (cfs)

    STATE OF NEW YORKHUDSON RIVER-BLACK RIVER REGULATING DISTRICT

    OLD FORGE RESERVOIR REGULATION

    Reservoir Elevation

    Average Daily

    Reservoir Elevation Midnight

    DayGate Opening (ft)

    Monthly Report for: February, 2020

  • WATERSURFACE

    ELEV.12 A.M.

    TOTALSTORAGEB.C.F. (1)

    PERIODSOF

    RELEASE

    RELEASEAVG.DAILYC.F.S.*

    HADLEYAVG.DAILYC.F.S.

    SPIER FALLSAVG.DAILYC.F.S.

    Saturday

    29754.19 20.68 12 AM - Mid 4,080 1,860 5,940

    Sunday

    1753.99 20.49 12 AM - Mid 4,080 1,750 5,830

    Monday

    2753.73 20.24 12 AM - Mid 4,080 1,860 5,940

    Tuesday

    3753.47 19.99 12 AM - Mid 4,080 1,940 6,020

    Wednesday

    4753.37 19.89 12 AM - Mid 4,080 2,550 6,630

    Thursday

    5753.35 19.87 12 AM - Mid 2,920 2,800 5,720

    Friday

    6753.46 19.98 12 AM - Mid 2,780 2,800 5,580

    Saturday

    7753.54 20.06 12 AM - Mid 3,050 2,700 5,750

    -0.62

    NO. YEAR ELEV. CAPACITY NO. YEAR ELEV. CAPACITY

    1 2019 758.53 25.01 6 2011 748.55 15.44

    2 2017 757.50 23.96 7 2013 747.99 14.94

    3 2018 754.68 21.16 8 2014 747.91 14.87

    4 2016 753.88 20.38 9 2015 747.90 14.86

    5 2020 753.54 20.06 10 2012 747.78 14.75

    (1) Includes dead storage below El. 734.12 ft. Datum: NAVD 88 ____________________________________

    CHIEF ENGINEER

    ELEVATIONS AND CAPACITIES ON THIS DATE FOR THE PAST TEN YEARS

    DATE

    CHANGE IN STORAGE DURING THE WEEK

    CAPACITY AT SPILLWAY CREST (EL 770.12) 37.72 B.C.F.CAPACITY AT LOW FLOW LINE (EL 734.12) 4.60 B.C.F.

    * SACANDAGA RIVER AT STEWARTS BRIDGE

    March 7, 2020FOR WEEK ENDING:

    STATE OF NEW YORKHUDSON RIVER-BLACK RIVER REGULATING DISTRICT

    SACANDAGA RESERVOIR OPERATION

    SACANDAGA RESERVOIR HUDSON RIVER FLOW

  • WATERSURFACE

    ELEV.12 A.M.

    TOTALSTORAGEB.C.F. (1)

    PERIODSOF

    RELEASE

    RELEASEAVG.DAILYC.F.S.*

    HADLEYAVG.DAILYC.F.S.

    SPIER FALLSAVG.DAILYC.F.S.

    Saturday

    7753.54 20.06 12 AM - Mid 3,050 2,700 5,750

    Sunday

    8753.57 20.09 12 AM - Mid 3,340 2,560 5,900

    Monday

    9753.52 20.04 12 AM - Mid 3,340 2,620 5,960

    Tuesday

    10753.48 20.00 12 AM - Mid 3,080 3,460 6,540

    Wednesday

    11753.73 20.24 12 AM - Mid 2,030 5,110 7,140

    Thursday

    12754.23 20.72 12 AM - Mid 2,730 5,480 8,210

    Friday

    13754.48 20.96 12 AM - Mid 2,310 6,840 9,150

    Saturday

    14755.21 21.67 12 AM - Mid 424 9,100 9,524

    1.62

    NO. YEAR ELEV. CAPACITY NO. YEAR ELEV. CAPACITY

    1 2017 758.08 24.54 6 2011 751.85 18.45

    2 2019 756.68 23.13 7 2012 750.41 17.12

    3 2016 755.90 22.36 8 2013 749.73 16.50

    4 2020 755.21 21.67 9 2014 747.83 14.80

    5 2018 753.68 20.19 10 2015 747.40 14.42

    (1) Includes dead storage below El. 734.12 ft. Datum: NAVD 88 ____________________________________

    CHIEF ENGINEER

    ELEVATIONS AND CAPACITIES ON THIS DATE FOR THE PAST TEN YEARS

    DATE

    CHANGE IN STORAGE DURING THE WEEK

    CAPACITY AT SPILLWAY CREST (EL 770.12) 37.72 B.C.F.CAPACITY AT LOW FLOW LINE (EL 734.12) 4.60 B.C.F.

    * SACANDAGA RIVER AT STEWARTS BRIDGE

    March 14, 2020FOR WEEK ENDING:

    STATE OF NEW YORKHUDSON RIVER-BLACK RIVER REGULATING DISTRICT

    SACANDAGA RESERVOIR OPERATION

    SACANDAGA RESERVOIR HUDSON RIVER FLOW

  • WATERSURFACE

    ELEV.12 A.M.

    TOTALSTORAGEB.C.F. (1)

    PERIODSOF

    RELEASE

    RELEASEAVG.DAILYC.F.S.*

    HADLEYAVG.DAILYC.F.S.

    SPIER FALLSAVG.DAILYC.F.S.

    Saturday

    14755.21 21.67 12 AM - Mid 424 9,100 9,524

    Sunday

    15756.00 22.45 12 AM - Mid 421 8,280 8,701

    Monday

    16756.51 22.96 12 AM - Mid 740 7,100 7,840

    Tuesday

    17756.86 23.31 12 AM - Mid 2,070 6,040 8,110

    Wednesday

    18757.07 23.52 12 AM - Mid 2,450 5,320 7,770

    Thursday

    19757.09 23.54 12 AM - Mid 3,070 4,890 7,960

    Friday

    20757.09 23.54 12 AM - Mid 2,150 4,960 7,110

    Saturday

    21757.57 24.03 12 AM - Mid 416 6,820 7,236

    2.36

    NO. YEAR ELEV. CAPACITY NO. YEAR ELEV. CAPACITY

    1 2016 758.26 24.73 6 2012 755.00 21.47

    2 2020 757.57 24.03 7 2018 752.06 18.65

    3 2017 756.63 23.08 8 2013 750.95 17.62

    4 2019 755.80 22.26 9 2014 747.64 14.63

    5 2011 755.31 21.77 10 2015 747.03 14.10

    (1) Includes dead storage below El. 734.12 ft. Datum: NAVD 88 ____________________________________

    CHIEF ENGINEER

    ELEVATIONS AND CAPACITIES ON THIS DATE FOR THE PAST TEN YEARS

    DATE

    CHANGE IN STORAGE DURING THE WEEK

    CAPACITY AT SPILLWAY CREST (EL 770.12) 37.72 B.C.F.CAPACITY AT LOW FLOW LINE (EL 734.12) 4.60 B.C.F.

    * SACANDAGA RIVER AT STEWARTS BRIDGE

    March 21, 2020FOR WEEK ENDING:

    STATE OF NEW YORKHUDSON RIVER-BLACK RIVER REGULATING DISTRICT

    SACANDAGA RESERVOIR OPERATION

    SACANDAGA RESERVOIR HUDSON RIVER FLOW

  • WATERSURFACE

    ELEV.12 A.M.

    TOTALSTORAGEB.C.F. (1)

    PERIODSOF

    RELEASE

    RELEASEAVG.DAILYC.F.S.*

    HADLEYAVG.DAILYC.F.S.

    SPIER FALLSAVG.DAILYC.F.S.

    Saturday

    21757.57 24.03 12 AM - Mid 416 6,820 7,236

    Sunday

    22758.13 24.59 12 AM - Mid 414 7,210 7,624

    Monday

    23758.58 25.06 12 AM - Mid 1,180 6,620 7,800

    Tuesday

    24758.86 25.35 12 AM - Mid 2,110 5,910 8,020

    Wednesday

    25759.06 25.54 12 AM - Mid 2,990 5,320 8,310

    Thursday

    26759.08 25.57 12 AM - Mid 3,200 4,820 8,020

    Friday

    27759.20 25.70 12 AM - Mid 3,630 4,840 8,470

    Saturday

    28759.09 25.58 12 AM - Mid 2,860 5,090 7,950

    1.55

    NO. YEAR ELEV. CAPACITY NO. YEAR ELEV. CAPACITY

    1 2016 759.42 25.93 6 2019 754.88 21.35

    2 2020 759.09 25.58 7 2018 750.18 16.91

    3 2012 757.13 23.58 8 2013 749.53 16.32

    4 2011 755.92 22.38 9 2014 747.45 14.46

    5 2017 755.05 21.52 10 2015 746.82 13.91

    (1) Includes dead storage below El. 734.12 ft. Datum: NAVD 88 ____________________________________

    CHIEF ENGINEER

    ELEVATIONS AND CAPACITIES ON THIS DATE FOR THE PAST TEN YEARS

    DATE

    CHANGE IN STORAGE DURING THE WEEK

    CAPACITY AT SPILLWAY CREST (EL 770.12) 37.72 B.C.F.CAPACITY AT LOW FLOW LINE (EL 734.12) 4.60 B.C.F.

    * SACANDAGA RIVER AT STEWARTS BRIDGE

    March 28, 2020FOR WEEK ENDING:

    STATE OF NEW YORKHUDSON RIVER-BLACK RIVER REGULATING DISTRICT

    SACANDAGA RESERVOIR OPERATION

    SACANDAGA RESERVOIR HUDSON RIVER FLOW

  • INDIAN RIVERWATER

    SURFACEELEV.

    12 A.M.

    AVAIL.STORAGE

    B.C.F.

    PERIODSOF

    RELEASE

    RELEASEAVG.DAILYC.F.S.*

    NEWCOMBAVG.DAILYC.F.S.

    NORTH CREEKAVG.DAILYC.F.S.

    Saturday

    291,637.70 1.46 12 AM - Mid 178 187 763

    Sunday

    11,637.67 1.46 12 AM - Mid 178 191 747

    Monday

    21,637.65 1.45 12 AM - Mid 178 182 739

    Tuesday

    31,637.64 1.45 12 AM - Mid 178 177 741

    Wednesday

    41,637.65 1.45 12 AM - Mid 184 204 909

    Thursday

    51,637.76 1.47 12 AM - Mid 186 249 941

    Friday

    61,637.85 1.48 12 AM - Mid 186 281 941

    Saturday

    71,637.88 1.49 12 AM - Mid 186 276 941

    0.03

    NO. YEAR ELEV. CAPACITY NO. YEAR ELEV. CAPACITY

    1 2017 1,645.67 2.73 6 2019 1,638.61 1.60

    2 2018 1,643.79 2.41 7 2012 1,638.61 1.60

    3 2016 1,643.47 2.35 8 2020 1,637.88 1.49

    4 2011 1,639.18 1.68 9 2014 1,637.74 1.47

    5 2015 1,638.68 1.61 10 2013 1,637.48 1.43

    Datum: NAVD 88____________________________________

    CHIEF ENGINEER

    ELEVATIONS AND CAPACITIES ON THIS DATE FOR THE PAST TEN YEARS

    DATE

    CHANGE IN STORAGE DURING THE WEEK

    CAPACITY AT SPILLWAY CREST (EL 1651.01) 3.7 B.C.F.

    * INIDAN RIVER NEAR INDIAN LAKE

    March 7, 2020FOR WEEK ENDING:

    STATE OF NEW YORKHUDSON RIVER-BLACK RIVER REGULATING DISTRICT

    INDIAN LAKE RESERVOIR OPERATION

    INDIAN LAKE RESERVOIR HUDSON RIVER

  • INDIAN RIVERWATER

    SURFACEELEV.

    12 A.M.

    AVAIL.STORAGE

    B.C.F.

    PERIODSOF

    RELEASE

    RELEASEAVG.DAILYC.F.S.*

    NEWCOMBAVG.DAILYC.F.S.

    NORTH CREEKAVG.DAILYC.F.S.

    Saturday

    71,637.96 1.50 12 AM - Mid 186 276 1,230

    Sunday

    81,638.00 1.51 12 AM - Mid 187 257 1,210

    Monday

    91,638.00 1.51 12 AM - Mid 188 252 1,150

    Tuesday

    101,638.00 1.51 12 AM - Mid 190 288 1,670

    Wednesday

    111,638.16 1.53 12 AM - Mid 192 491 2,870

    Thursday

    121,638.55 1.59 12 AM - Mid 191 896 3,350

    Friday

    131,638.82 1.63 12 AM - Mid 195 966 4,170

    Saturday

    141,639.55 1.74 12 AM - Mid 198 1,230 5,370

    0.24

    NO. YEAR ELEV. CAPACITY NO. YEAR ELEV. CAPACITY

    1 2016 1,645.95 2.77 6 2020 1,639.55 1.74

    2 2017 1,644.73 2.57 7 2015 1,638.59 1.59

    3 2018 1,643.15 2.30 8 2013 1,638.15 1.53

    4 2011 1,641.24 2.00 9 2014 1,637.62 1.45

    5 2012 1,639.88 1.79 10 2019 1,637.48 1.43

    Datum: NAVD 88____________________________________

    CHIEF ENGINEER

    ELEVATIONS AND CAPACITIES ON THIS DATE FOR THE PAST TEN YEARS

    DATE

    CHANGE IN STORAGE DURING THE WEEK

    CAPACITY AT SPILLWAY CREST (EL 1651.01) 3.7 B.C.F.

    * INIDAN RIVER NEAR INDIAN LAKE

    March 14, 2020FOR WEEK ENDING:

    STATE OF NEW YORKHUDSON RIVER-BLACK RIVER REGULATING DISTRICT

    INDIAN LAKE RESERVOIR OPERATION

    INDIAN LAKE RESERVOIR HUDSON RIVER

  • INDIAN RIVERWATER

    SURFACEELEV.

    12 A.M.

    AVAIL.STORAGE

    B.C.F.

    PERIODSOF

    RELEASE

    RELEASEAVG.DAILYC.F.S.*

    NEWCOMBAVG.DAILYC.F.S.

    NORTH CREEKAVG.DAILYC.F.S.

    Saturday

    141,639.55 1.74 12 AM - Mid 198 1,230 5,370

    Sunday

    151,640.10 1.82 12 AM - Mid 199 1,260 4,700

    Monday

    161,640.46 1.87 12 AM - Mid 200 981 3,670

    Tuesday

    171,640.65 1.90 12 AM - Mid 200 768 2,830

    Wednesday

    181,640.77 1.92 12 AM - Mid 200 613 2,360

    Thursday

    191,640.85 1.93 12 AM - Mid 203 525 2,090

    Friday

    201,640.92 1.95 12 AM - Mid 205 503 2,330

    Saturday

    211,641.22 1.99 12 AM - Mid 207 919 4,330

    0.26

    NO. YEAR ELEV. CAPACITY NO. YEAR ELEV. CAPACITY

    1 2016 1,647.89 3.12 6 2020 1,641.22 1.99

    2 2012 1,644.12 2.46 7 2013 1,638.53 1.59

    3 2017 1,643.26 2.32 8 2015 1,638.51 1.58

    4 2018 1,642.25 2.16 9 2014 1,637.53 1.44

    5 2011 1,641.81 2.09 10 2019 1,637.11 1.37

    Datum: NAVD 88____________________________________

    CHIEF ENGINEER

    ELEVATIONS AND CAPACITIES ON THIS DATE FOR THE PAST TEN YEARS

    DATE

    CHANGE IN STORAGE DURING THE WEEK

    CAPACITY AT SPILLWAY CREST (EL 1651.01) 3.7 B.C.F.

    * INIDAN RIVER NEAR INDIAN LAKE

    March 21, 2020FOR WEEK ENDING:

    STATE OF NEW YORKHUDSON RIVER-BLACK RIVER REGULATING DISTRICT

    INDIAN LAKE RESERVOIR OPERATION

    INDIAN LAKE RESERVOIR HUDSON RIVER

  • INDIAN RIVERWATER

    SURFACEELEV.

    12 A.M.

    AVAIL.STORAGE

    B.C.F.

    PERIODSOF

    RELEASE

    RELEASEAVG.DAILYC.F.S.*

    NEWCOMBAVG.DAILYC.F.S.

    NORTH CREEKAVG.DAILYC.F.S.

    Saturday

    211,641.22 1.99 12 AM - Mid 207 919 4,330

    Sunday

    221,641.73 2.08 12 AM - Mid 208 1,170 4,200

    Monday

    231,642.02 2.12 12 AM - Mid 208 970 3,510

    Tuesday

    241,642.26 2.16 12 AM - Mid 209 788 2,830

    Wednesday

    251,642.37 2.18 12 AM - Mid 210 643 2,350

    Thursday

    261,642.44 2.19 12 AM - Mid 211 548 2,060

    Friday

    271,642.51 2.20 12 AM - Mid 213 523 2,130

    Saturday

    281,642.63 2.22 12 AM - Mid 213 574 2,310

    0.23

    NO. YEAR ELEV. CAPACITY NO. YEAR ELEV. CAPACITY

    1 2016 1,648.56 3.24 6 2011 1,641.16 1.98

    2 2012 1,646.18 2.81 7 2015 1,638.43 1.57

    3 2020 1,642.63 2.22 8 2013 1,637.73 1.47

    4 2017 1,641.78 2.08 9 2014 1,637.33 1.41

    5 2018 1,641.32 2.01 10 2019 1,636.42 1.27

    Datum: NAVD 88____________________________________

    CHIEF ENGINEER

    ELEVATIONS AND CAPACITIES ON THIS DATE FOR THE PAST TEN YEARS

    DATE

    CHANGE IN STORAGE DURING THE WEEK

    CAPACITY AT SPILLWAY CREST (EL 1651.01) 3.7 B.C.F.

    * INIDAN RIVER NEAR INDIAN LAKE

    March 28, 2020FOR WEEK ENDING:

    STATE OF NEW YORKHUDSON RIVER-BLACK RIVER REGULATING DISTRICT

    INDIAN LAKE RESERVOIR OPERATION

    INDIAN LAKE RESERVOIR HUDSON RIVER

  • BLACK RIVER

    WATERSURFACE

    ELEV.12 A.M.

    AVAIL.STORAGE

    B.C.F.

    PERIODSOF

    RELEASE

    STILLWATERRELEASE

    AVG. DAILYC.F.S.

    CROGHANAVG.

    DAILY FLOWC.F.S.

    WATERTOWNAVG.

    DAILY FLOWC.F.S.

    Saturday

    291,664.19 1.59 12 AM -Mid 700 1,000 3,870

    Sunday

    11,663.93 1.55 12 AM -Mid 700 1,070 4,630

    Monday

    21,663.67 1.50 12 AM -Mid 700 951 4,910

    Tuesday

    31,663.43 1.46 12 AM -Mid 700 1,020 5,310

    Wednesday

    41,663.34 1.45 12 AM -Mid 700 1,160 7,580

    Thursday

    51,663.34 1.45 12 AM -Mid 700 1,300 9,400

    Friday

    61,663.29 1.44 12 AM -Mid 700 1,240 9,790

    Saturday

    71,663.15 1.42 12 AM -Mid 700 1,080 9,860

    -0.17

    NO. YEAR ELEV. CAPACITY NO. YEAR ELEV. CAPACITY

    1 2018 1,674.30 3.49 6 2013 1,666.42 1.96

    2 2017 1,673.34 3.27 7 2011 1,666.09 1.90

    3 2016 1,670.50 2.66 8 2012 1,665.36 1.78

    4 2014 1,668.54 2.31 9 2020 1,663.15 1.42

    5 2019 1,667.24 2.09 10 2015 1,659.86 0.88

    Datum: NAVD 88____________________________________

    CHIEF ENGINEER

    ELEVATIONS AND CAPACITIES ON THIS DATE FOR THE PAST TEN YEARS

    CHANGE IN STORAGE DURING THE WEEK

    CAPACITY AT SPILLWAY CREST (EL 1677.19) 4.213 B.C.F.CAPACITY AT LOW FLOW LINE (EL 1650.69) 0.10 B.C.F.

    STATE OF NEW YORKHUDSON RIVER-BLACK RIVER REGULATING DISTRICT

    STILLWATER RESERVOIR OPERATION

    STILLWATER RESERVOIR BEAVER RIVER

    DATE

    March 7, 2020FOR WEEK ENDING:

  • BLACK RIVER

    WATERSURFACE

    ELEV.12 A.M.

    AVAIL.STORAGE

    B.C.F.

    PERIODSOF

    RELEASE

    STILLWATERRELEASE

    AVG. DAILYC.F.S.

    CROGHANAVG.

    DAILY FLOWC.F.S.

    WATERTOWNAVG.

    DAILY FLOWC.F.S.

    Saturday

    71,663.15 1.42 12 AM -Mid 700 1,080 9,860

    Sunday

    81,662.96 1.39 12 AM -Mid 700 1,000 8,910

    Monday

    91,662.74 1.35 12 AM -Mid 700 973 7,580

    Tuesday

    101,662.56 1.32 12 AM -Mid 700 1,180 8,800

    Wednesday

    111,662.69 1.34 12 AM -Mid 467 1,650 12,200

    Thursday

    121,663.15 1.42 12 AM -Mid 300 1,480 12,200

    Friday

    131,663.47 1.47 12 AM -Mid 300 1,320 12,700

    Saturday

    141,664.01 1.56 12 AM -Mid 300 1,250 14,100

    0.14

    NO. YEAR ELEV. CAPACITY NO. YEAR ELEV. CAPACITY

    1 2017 1,673.66 3.34 6 2012 1,666.99 2.05

    2 2018 1,673.64 3.34 7 2013 1,665.81 1.86

    3 2016 1,672.72 3.13 8 2019 1,665.77 1.85

    4 2011 1,668.75 2.34 9 2020 1,664.01 1.56

    5 2014 1,667.16 2.08 10 2015 1,658.91 0.79

    Datum: NAVD 88

    March 14, 2020FOR WEEK ENDING:

    STATE OF NEW YORKHUDSON RIVER-BLACK RIVER REGULATING DISTRICT

    STILLWATER RESERVOIR OPERATION

    BEAVER RIVER

    ____________________________________CHIEF ENGINEER

    ELEVATIONS AND CAPACITIES ON THIS DATE FOR THE PAST TEN YEARS

    DATE

    CHANGE IN STORAGE DURING THE WEEK

    CAPACITY AT SPILLWAY CREST (EL 1677.19) 4.213 B.C.F.CAPACITY AT LOW FLOW LINE (EL 1650.69) 0.10 B.C.F.

    STILLWATER RESERVOIR

  • BLACK RIVER

    WATERSURFACE

    ELEV.12 A.M.

    AVAIL.STORAGE

    B.C.F.

    PERIODSOF

    RELEASE

    STILLWATERRELEASE

    AVG. DAILYC.F.S.

    CROGHANAVG.

    DAILY FLOWC.F.S.

    WATERTOWNAVG.

    DAILY FLOWC.F.S.

    Saturday

    141,664.01 1.56 12 AM -Mid 300 1,250 14,100

    Sunday

    151,664.50 1.64 12 AM -Mid 300 1,160 14,200

    Monday

    161,664.77 1.68 12 AM -Mid 300 967 13,500

    Tuesday

    171,664.96 1.72 12 AM -Mid 300 809 11,600

    Wednesday

    181,665.10 1.74 12 AM -Mid 300 681 9,720

    Thursday

    191,665.21 1.76 12 AM -Mid 300 674 8,210

    Friday

    201,665.33 1.78 12 AM -Mid 300 818 7,720

    Saturday

    211,665.80 1.85 12 AM -Mid 300 1,010 9,100

    0.29

    NO. YEAR ELEV. CAPACITY NO. YEAR ELEV. CAPACITY

    1 2016 1,674.08 3.44 6 2013 1,666.72 2.01

    2 2017 1,673.22 3.24 7 2020 1,665.80 1.85

    3 2018 1,672.63 3.11 8 2014 1,665.59 1.82

    4 2011 1,671.12 2.78 9 2019 1,665.20 1.76

    5 2012 1,671.09 2.78 10 2015 1,657.99 0.71

    Datum: NAVD 88

    March 21, 2020FOR WEEK ENDING:

    STATE OF NEW YORKHUDSON RIVER-BLACK RIVER REGULATING DISTRICT

    STILLWATER RESERVOIR OPERATION

    BEAVER RIVER

    ____________________________________CHIEF ENGINEER

    ELEVATIONS AND CAPACITIES ON THIS DATE FOR THE PAST TEN YEARS

    DATE

    CHANGE IN STORAGE DURING THE WEEK

    CAPACITY AT SPILLWAY CREST (EL 1677.19) 4.213 B.C.F.CAPACITY AT LOW FLOW LINE (EL 1650.69) 0.10 B.C.F.

    STILLWATER RESERVOIR

  • BLACK RIVER

    WATERSURFACE

    ELEV.12 A.M.

    AVAIL.STORAGE

    B.C.F.

    PERIODSOF

    RELEASE

    STILLWATERRELEASE

    AVG. DAILYC.F.S.

    CROGHANAVG.

    DAILY FLOWC.F.S.

    WATERTOWNAVG.

    DAILY FLOWC.F.S.

    Saturday

    211,665.80 1.85 12 AM -Mid 300 1,010 9,100

    Sunday

    221,666.36 1.95 12 AM -Mid 300 1,260 9,740

    Monday

    231,666.66 2.00 12 AM -Mid 300 977 10,900

    Tuesday

    241,666.86 2.03 12 AM -Mid 300 827 10,400

    Wednesday

    251,667.00 2.05 12 AM -Mid 300 813 9,110

    Thursday

    261,667.07 2.06 12 AM -Mid 300 688 7,800

    Friday

    271,667.16 2.08 12 AM -Mid 300 708 6,810

    Saturday

    281,667.26 2.10 12 AM -Mid 300 654 6,280

    0.24

    NO. YEAR ELEV. CAPACITY NO. YEAR ELEV. CAPACITY

    1 2016 1,674.62 3.57 6 2020 1,667.26 2.10

    2 2012 1,672.93 3.17 7 2013 1,666.27 1.93

    3 2017 1,672.49 3.08 8 2019 1,664.09 1.57

    4 2011 1,671.89 2.95 9 2014 1,663.76 1.52

    5 2018 1,671.35 2.83 10 2015 1,657.71 0.60

    Datum: NAVD 88

    March 28, 2020FOR WEEK ENDING:

    STATE OF NEW YORKHUDSON RIVER-BLACK RIVER REGULATING DISTRICT

    STILLWATER RESERVOIR OPERATION

    BEAVER RIVER

    ____________________________________CHIEF ENGINEER

    ELEVATIONS AND CAPACITIES ON THIS DATE FOR THE PAST TEN YEARS

    DATE

    CHANGE IN STORAGE DURING THE WEEK

    CAPACITY AT SPILLWAY CREST (EL 1677.19) 4.213 B.C.F.CAPACITY AT LOW FLOW LINE (EL 1650.69) 0.10 B.C.F.

    STILLWATER RESERVOIR

  • WATERSURFACE

    ELEV.12 A.M.

    AVAIL.STORAGE

    B.C.F.

    RELEASEAVG.DAILYC.F.S.

    WATERSURFACE

    ELEV.12 A.M.

    AVAIL.STORAGE

    B.C.F.

    RELEASEAVG.DAILYC.F.S.

    Saturday

    291,702.92 0.395 116 1,779.34 0.097 48

    Sunday

    11,702.89 0.391 115 1,779.29 0.095 47

    Monday

    21,702.87 0.387 115 1,779.24 0.094 47

    Tuesday

    31,702.86 0.386 115 1,779.20 0.093 47

    Wednesday

    41,702.85 0.385 115 1,779.21 0.093 48

    Thursday

    51,702.93 0.396 116 1,779.38 0.098 49

    Friday

    61,702.96 0.399 116 1,779.42 0.099 49

    Saturday

    71,702.95 0.398 116 1,779.41 0.099 49

    0.004 0.002

    OLD FORGE RESERVOIR SIXTH LAKE RESERVOIR

    NO. YEAR ELEV. CAPACITY NO. YEAR ELEV. CAPACITY

    1 2017 1,704.16 0.551 1 2017 1,782.59 0.195

    2 2018 1,703.79 0.504 2 2016 1,781.41 0.159

    3 2016 1,703.31 0.444 3 2018 1,781.06 0.148

    4 2020 1,702.95 0.398 4 2020 1,779.41 0.099

    5 2019 1,702.93 0.396 5 2019 1,778.85 0.082

    STATE OF NEW YORKHUDSON RIVER-BLACK RIVER REGULATING DISTRICT

    FULTON CHAIN RESERVOIR OPERATION

    OLD FORGE RESERVOIR SIXTH LAKE RESERVOIR

    DATE

    March 7, 2020FOR WEEK ENDING:

    Datum: NAVD 88____________________________________

    CHIEF ENGINEER

    CHANGE IN STORAGE

    OLD FORGE CAPACITY AT SPILLWAY CREST (EL 1706.99) 0.924 B.C.F.SIXTH LAKE CAPACITY AT SPILLWAY CREST (EL 1785.83) 0.297 B.C.F.

    ELEVATIONS AND CAPACITIES ON THIS DATE FOR THE PAST FIVE YEARS

  • WATERSURFACE

    ELEV.12 A.M.

    AVAIL.STORAGE

    B.C.F.

    RELEASEAVG.DAILYC.F.S.

    WATERSURFACE

    ELEV.12 A.M.

    AVAIL.STORAGE

    B.C.F.

    RELEASEAVG.DAILYC.F.S.

    Saturday

    71,702.95 0.398 116 1,779.40 0.098 49

    Sunday

    81,702.92 0.395 115 1,779.34 0.097 48

    Monday

    91,702.90 0.392 115 1,779.30 0.095 48

    Tuesday

    101,702.90 0.392 116 1,779.30 0.095 49

    Wednesday

    111,702.99 0.403 117 1,779.51 0.102 51

    Thursday

    121,703.09 0.415 119 1,779.77 0.110 52

    Friday

    131,703.14 0.422 120 1,779.84 0.112 53

    Saturday

    141,703.16 0.425 121 1,780.08 0.119 54

    0.027 0.020

    OLD FORGE RESERVOIR SIXTH LAKE RESERVOIR

    NO. YEAR ELEV. CAPACITY NO. YEAR ELEV. CAPACITY

    1 2017 1,704.66 0.616 1 2017 1,781.99 0.176

    2 2018 1,703.68 0.491 2 2016 1,781.85 0.172

    3 2016 1,703.63 0.484 3 2018 1,780.33 0.126

    4 2020 1,703.16 0.425 4 2020 1,780.08 0.119

    5 2019 1,702.99 0.403 5 2019 1,778.83 0.082

    Datum: NAVD 88____________________________________

    CHIEF ENGINEER

    CHANGE IN STORAGE

    OLD FORGE CAPACITY AT SPILLWAY CREST (EL 1706.99) 0.924 B.C.F.SIXTH LAKE CAPACITY AT SPILLWAY CREST (EL 1785.83) 0.297 B.C.F.

    ELEVATIONS AND CAPACITIES ON THIS DATE FOR THE PAST FIVE YEARS

    STATE OF NEW YORKHUDSON RIVER-BLACK RIVER REGULATING DISTRICT

    FULTON CHAIN RESERVOIR OPERATION

    OLD FORGE RESERVOIR SIXTH LAKE RESERVOIR

    DATE

    March 14, 2020FOR WEEK ENDING:

  • WATERSURFACE

    ELEV.12 A.M.

    AVAIL.STORAGE

    B.C.F.

    RELEASEAVG.DAILYC.F.S.

    WATERSURFACE

    ELEV.12 A.M.

    AVAIL.STORAGE

    B.C.F.

    RELEASEAVG.DAILYC.F.S.

    Saturday

    141,703.22 0.433 121 1,780.08 0.119 53

    Sunday

    151,703.30 0.442 121 1,780.27 0.124 55

    Monday

    161,703.32 0.444 122 1,780.30 0.125 55

    Tuesday

    171,703.33 0.446 122 1,780.30 0.125 55

    Wednesday

    181,703.29 0.441 122 1,780.28 0.125 56

    Thursday

    191,703.31 0.443 122 1,780.26 0.124 56

    Friday

    201,703.31 0.443 123 1,780.26 0.124 56

    Saturday

    211,703.43 0.459 125 1,780.58 0.134 59

    0.027 0.015

    OLD FORGE RESERVOIR SIXTH LAKE RESERVOIR

    NO. YEAR ELEV. CAPACITY NO. YEAR ELEV. CAPACITY

    1 2017 1,704.71 0.623 1 2016 1,781.97 0.176

    2 2016 1,704.04 0.536 2 2017 1,781.60 0.164

    3 2018 1,703.49 0.467 3 2020 1,780.58 0.134

    4 2020 1,703.43 0.459 4 2018 1,779.76 0.109

    5 2019 1,703.27 0.439 5 2019 1,779.41 0.099

    STATE OF NEW YORKHUDSON RIVER-BLACK RIVER REGULATING DISTRICT

    FULTON CHAIN RESERVOIR OPERATION

    OLD FORGE RESERVOIR SIXTH LAKE RESERVOIR

    DATE

    March 21, 2020FOR WEEK ENDING:

    Datum: NAVD 88____________________________________

    CHIEF ENGINEER

    CHANGE IN STORAGE

    OLD FORGE CAPACITY AT SPILLWAY CREST (EL 1706.99) 0.924 B.C.F.SIXTH LAKE CAPACITY AT SPILLWAY CREST (EL 1785.83) 0.297 B.C.F.

    ELEVATIONS AND CAPACITIES ON THIS DATE FOR THE PAST FIVE YEARS

  • WATERSURFACE

    ELEV.12 A.M.

    AVAIL.STORAGE

    B.C.F.

    RELEASEAVG.DAILYC.F.S.

    WATERSURFACE

    ELEV.12 A.M.

    AVAIL.STORAGE

    B.C.F.

    RELEASEAVG.DAILYC.F.S.

    Saturday

    211,703.43 0.459 125 1,780.58 0.134 59

    Sunday

    221,703.59 0.478 126 1,780.80 0.140 60

    Monday

    231,703.62 0.482 127 1,780.84 0.141 60

    Tuesday

    241,706.65 0.878 127 1,780.87 0.142 60

    Wednesday

    251,703.65 0.487 127 1,780.85 0.142 60

    Thursday

    261,703.64 0.486 127 1,780.83 0.141 60

    Friday

    271,703.64 0.486 68 1,780.82 0.141 37

    Saturday

    281,703.69 0.492 39 1,780.89 0.143 26

    0.033 0.009

    OLD FORGE RESERVOIR SIXTH LAKE RESERVOIR

    NO. YEAR ELEV. CAPACITY NO. YEAR ELEV. CAPACITY

    1 2017 1,704.62 0.611 1 2016 1,782.27 0.185

    2 2016 1,704.41 0.584 2 2017 1,781.07 0.148

    3 2020 1,703.69 0.492 3 2020 1,780.89 0.143

    4 2019 1,703.44 0.461 4 2019 1,779.61 0.105

    5 2018 1,703.31 0.444 5 2018 1,779.45 0.100

    Datum: NAVD 88____________________________________

    CHIEF ENGINEER

    CHANGE IN STORAGE

    OLD FORGE CAPACITY AT SPILLWAY CREST (EL 1706.99) 0.924 B.C.F.SIXTH LAKE CAPACITY AT SPILLWAY CREST (EL 1785.83) 0.297 B.C.F.

    ELEVATIONS AND CAPACITIES ON THIS DATE FOR THE PAST FIVE YEARS

    STATE OF NEW YORKHUDSON RIVER-BLACK RIVER REGULATING DISTRICT

    FULTON CHAIN RESERVOIR OPERATION

    OLD FORGE RESERVOIR SIXTH LAKE RESERVOIR

    DATE

    March 28, 2020FOR WEEK ENDING:

    Chief Engineer Report 041020Great Sacandaga Lake Elevation Calculator - NAVD88SacandagaBoard Summary ReportActual and Maximum AllowableGSL Release and Natural Hudson

    GSL February MonthlyFEB

    IL February MonthlyFEB

    STW February MonthlyFEB

    SL February MonthlyFEB

    OF February MonthlyFEB

    GSL March Weekly3-73-143-213-28

    IL March Weekly3-73-143-213-28

    STW March Weekly3-73-143-213-28

    OF-SL March Weekly3-73-143-213-28