Over 20 Years of Excellence in Environmental Science & Engineering www.kieser‐associates.com
UrbanWatershedMonitoring–OneDecadeafterManagementPlanImplementationUrbanWatershedMonitoring–
OneDecadeafterManagementPlanImplementation
Brian Boyer, P.E.Environmental Engineering ManagerEnvironmental Engineering Manager
Kieser & Associates, LLC,536 E. Michigan Ave., Suite 300
Kalamazoo, MI 49007(269) 344 7117(269) 344-7117
Project SettingProject Setting
Kalamazoo River Watershed
2,020 sq. milesLake Allegang
SCALE (MILES)
0 10 155WMU
MICHIGANPortage & Arcadia CreekArcadia Creek Subwatershed
Project SettingProject Setting
Portage & Arcadia (P/A) Creek subwatershed (36 000 )(36,000-acres)
Stormwater ConcernsStormwater Concerns
Phosphorus TMDL (2001)50% load reduction requirement
Highly urbanized P/A b h dsubwatershed
Stakeholders:Stakeholders:City of Kalamazoo
City of PortageCity of Portage
Western Michigan University
OtherOthers
20022002--03 & 201303 & 2013--14 Monitoring14 MonitoringGoals & Objectives: Compare creek monitoring data before/after 10 years of WMP implementationM h dMethods:
Automated samplingCreek mouthsC ee o sBMPs
Stream stations W t t liWet event samplingDry event sampling
Parameters:Rainfall, flowTP, TSST p D O pH C d ti it ORPTemp, D.O., pH, Conductivity, ORP
Campus SW Control AreasCampus SW Control Areas• 15 BMPs since 1998• 468.8 acres treated i l di BTRincluding BTR (blue areas)
• 59.8% of campus
BTR Park
Off‐Campus Contributing Areas
2011 WMU TMDL Compliance2011 WMU TMDL Compliance
1998 TMDL Baseline 764 lbs/yr
On‐Campus Controls only
TMDL Goal 382 lbs/yr
On‐Campus and Off‐Campus ControlsCampus Controls (i.e., offsets)
Off‐Campus controls financially supported by WMUsuppo ted by U
20032003--2013 Kalamazoo SCMs2013 Kalamazoo SCMs
Kalamazoo
Stormwater Control Measure (SCM)Portage
Data AnalysesData Analyses
MethodsFlow and rainfall evaluationFlow duration curves and/or flow reductionCalculate loading (flow + sample results)Calculate loading (flow sample results)Quantify current EMCsCompare/contrast past and present dataCompare/contrast past and present data
Portage ISCO SamplingPortage ISCO SamplingWet Weather Event Summary
April 2013 - April 2014
Total Total R noffEvent YR Date Total Rainfall
Total Runoff Volume TP Load TSS Load TP EMC TSS EMC Peak Flows
(inches) (ft3) (lbs) (tons) (mg/L) (mg/L) (cfs)
1 Apr 11 0.66 3,859,128 31.8 5.9 0.132 48.6 244
2013
2 Apr 17-18 0.61 1,575,620 17.3 3.4 0.176 68.7 298
3 Apr 18-19 1.08 7,901,248 42.9 7.5 0.087 30.5 510
4 May 21 0.52 1,710,069 30.2 5.1 0.283 95.0 288
5 May 22-23 0.53 4,896,263 21.6 7.8 0.071 51.1 447
6 Jun 19-20 0.35 1,539,714 16.9 2.3 0.176 47.4 241
7 Jul 4 0.24 2,510,278 11.7 1.4 0.075 17.8 62
8 Aug 31 3 1 71 22 109 656 188 4 79 5 0 137 115 2 2348 Aug 31-3 1.71 22,109,656 188.4 79.5 0.137 115.2 234
9
2014
Feb 20-21 0.36 5,916,761 60.2 19.5 0.163 105.5 149
10 Mar 11-12 0.08 2,827,453 30.4 9.0 0.172 101.8 75
11 Mar 19-20 0.33 11,667,829 217.4 20.6 0.298 56.4 136
12 Apr 3-4 0.46 19,306,324 139.9 47.9 0.116 79.6 302
Slide TitleSlide Title
Slide TitleSlide Title
Portage Creek AnalysisPortage Creek Analysis
Portage Creek AnalysisPortage Creek Analysis
Portage Creek AnalysisPortage Creek Analysis
Portage Creek EMCsPortage Creek EMCs
Arcadia ISCO SamplingArcadia ISCO SamplingWet Weather Event Summary
April 2013 - April 2014
Total Total R noffEvent YR Date Total Rainfall
Total Runoff Volume TP Load TSS Load TP EMC TSS EMC Peak Flows
(inches) (ft3) (lbs) (tons) (mg/L) (mg/L) (cfs)
1 Apr 18-19 1.13 581,015 4.8 1.1 0.131 59.7 49
2013
2 May 23 0.72 381,013 2.5 1.1 0.105 89.6 55
3 Jul 28 0.28 32,919 0.2 0.03 0.110 33.6 4
4 Aug 7 1.41 459,389 9.3 1.9 0.323 134.7 78
5 Oct 4 0.48 78,108 0.5 0.2 0.104 64.1 1
6 Oct 31 1.63 388,130 7.9 0.7 0.326 56.4 46
7 Mar 19-20 0.33 224,579 5.1 0.2 0.363 24.3 8
8 A 3 4 0 59 2 567 738 18 6 3 6 0 116 44 7 442014
8 Apr 3-4 0.59 2,567,738 18.6 3.6 0.116 44.7 44
9* May 14-15 0.9 233,470 4.9 0.9 0.339 122.2 9
10* Jun 2 0.89 288,117 9.1 2.0 0.895 385.8 7411 Jun 10-11 0.37 136,743 1.1 0.1 0.128 28.7 6
* Events 9 & 10 influenced by Arcadia Festival Site pond dredging May 2014
Slide TitleSlide Title
Slide TitleSlide Title
Slide TitleSlide Title
Arcadia Creek EMCsArcadia Creek EMCs
Results & FindingsResults & Findings
Measuring SuccessComparison of 2002-03 to 2013-14 results
Progress toward TMDL goals
Portage Creek 2002 – 2014 EMC Summary
Arcadia Creek2002 – 2014 EMC Summaryy
Average EMC’s Average EMC’s
TP TSS TP TSS
mg/L mg/L % decrease % decrease
yAverage EMC’s Average EMC’s
TP TSS TP TSS
mg/L mg/L % decrease % decreasemg/L mg/L % decrease % decrease
0.157 68.1 32% 15%
mg/L mg/L % decrease % decrease
0.267 94.9 35% 31%
SummarySummary
Monitoring confirmed BMP calculation benefits
Substantial benefits following 10-yrs BMPSubstantial benefits following 10-yrs BMP implementation
TP & TSS EMC decreasesTP & TSS EMC decreases
Reduced peak flows
Moderated average wet weather flowsg
Reduced flooding
BMPs NOT needed everywhere…rather strategic placement
Special ThanksSpecial Thanks
PROJECT PARTNERSPROJECT PARTNERSThe FORUM of Greater KalamazooThe FORUM of Greater KalamazooThe FORUM of Greater KalamazooThe FORUM of Greater KalamazooWestern Michigan UniversityWestern Michigan UniversityCity of Kalamazoo WWTPCity of Kalamazoo WWTPCity of Allegan WWTPCity of Allegan WWTPCity of Allegan WWTPCity of Allegan WWTPKieser & Associates, LLCKieser & Associates, LLCMDEQMDEQMDEQMDEQ
Questions?Questions?
Brian Boyer P EBrian Boyer, P.E.Environmental Engineering Manager
Kieser & Associates, LLCbboyer@kieser‐associates.com
Over 20 Years of Excellence in Environmental Science & Engineering www.kieser‐associates.com