Massachusetts Stormwater Technology Evaluation Program Evaluating Stormwater BMPs Spring 2013
description
Transcript of Massachusetts Stormwater Technology Evaluation Program Evaluating Stormwater BMPs Spring 2013
![Page 1: Massachusetts Stormwater Technology Evaluation Program Evaluating Stormwater BMPs Spring 2013](https://reader038.fdocuments.us/reader038/viewer/2022103102/56815c85550346895dca9a67/html5/thumbnails/1.jpg)
www.mastep.net
Massachusetts Stormwater Technology Evaluation Program
Evaluating Stormwater BMPsSpring 2013
![Page 2: Massachusetts Stormwater Technology Evaluation Program Evaluating Stormwater BMPs Spring 2013](https://reader038.fdocuments.us/reader038/viewer/2022103102/56815c85550346895dca9a67/html5/thumbnails/2.jpg)
www.mastep.net
Massachusetts Stormwater Technology Evaluation Project, UMass
![Page 3: Massachusetts Stormwater Technology Evaluation Program Evaluating Stormwater BMPs Spring 2013](https://reader038.fdocuments.us/reader038/viewer/2022103102/56815c85550346895dca9a67/html5/thumbnails/3.jpg)
www.mastep.net
![Page 4: Massachusetts Stormwater Technology Evaluation Program Evaluating Stormwater BMPs Spring 2013](https://reader038.fdocuments.us/reader038/viewer/2022103102/56815c85550346895dca9a67/html5/thumbnails/4.jpg)
www.mastep.net
![Page 5: Massachusetts Stormwater Technology Evaluation Program Evaluating Stormwater BMPs Spring 2013](https://reader038.fdocuments.us/reader038/viewer/2022103102/56815c85550346895dca9a67/html5/thumbnails/5.jpg)
www.mastep.net
![Page 6: Massachusetts Stormwater Technology Evaluation Program Evaluating Stormwater BMPs Spring 2013](https://reader038.fdocuments.us/reader038/viewer/2022103102/56815c85550346895dca9a67/html5/thumbnails/6.jpg)
www.mastep.net
![Page 7: Massachusetts Stormwater Technology Evaluation Program Evaluating Stormwater BMPs Spring 2013](https://reader038.fdocuments.us/reader038/viewer/2022103102/56815c85550346895dca9a67/html5/thumbnails/7.jpg)
www.mastep.net
![Page 8: Massachusetts Stormwater Technology Evaluation Program Evaluating Stormwater BMPs Spring 2013](https://reader038.fdocuments.us/reader038/viewer/2022103102/56815c85550346895dca9a67/html5/thumbnails/8.jpg)
www.mastep.net
![Page 9: Massachusetts Stormwater Technology Evaluation Program Evaluating Stormwater BMPs Spring 2013](https://reader038.fdocuments.us/reader038/viewer/2022103102/56815c85550346895dca9a67/html5/thumbnails/9.jpg)
www.mastep.net
Constructed WetlandsRemoval Efficiency:
65-80% average80% MassDEP TSS Removal Credit
Key Features:Large areaPeak flow controlBiological treatment
Maintenance: low to moderateCost: marginally higher than wet ponds
Source: MassDEP, 2008. Massachusetts Stormwater Handbook
http://www.txnpsbook.org, 2002
![Page 10: Massachusetts Stormwater Technology Evaluation Program Evaluating Stormwater BMPs Spring 2013](https://reader038.fdocuments.us/reader038/viewer/2022103102/56815c85550346895dca9a67/html5/thumbnails/10.jpg)
www.mastep.net
Extended Detention Basins• TSS Removal Efficiency:
• 60-80% average• 50% MassDEP TSS Removal Credit
• Key Features:• Large area• Peak flow control
• Maintenance: low• Cost: low to • moderate
Source: MassDEP, 2008. Massachusetts Stormwater Handbook
![Page 11: Massachusetts Stormwater Technology Evaluation Program Evaluating Stormwater BMPs Spring 2013](https://reader038.fdocuments.us/reader038/viewer/2022103102/56815c85550346895dca9a67/html5/thumbnails/11.jpg)
www.mastep.net
Water Quality SwalesRemoval Efficiency:
65-805 average70% MassDEP TSS Removal
CreditKey Features:
Higher pollutant removal rates than drainage channels
Transport peak runoff and provide some infiltration
Maintenance: low to moderateCost: low to moderate
http://www.txnpsbook.org, 2002
Source: MassDEP, 2008. Massachusetts Stormwater Handbook
![Page 12: Massachusetts Stormwater Technology Evaluation Program Evaluating Stormwater BMPs Spring 2013](https://reader038.fdocuments.us/reader038/viewer/2022103102/56815c85550346895dca9a67/html5/thumbnails/12.jpg)
www.mastep.net
Deep Sump Catch BasinsRemoval Efficiency:
9-35% average25% MassDEP TSS
Removal CreditDesign Features:
Debris removalPretreatment
Maintenance: moderate to high
Cost: low to highSource: MassDEP, 2008. Massachusetts Stormwater Handbook
![Page 13: Massachusetts Stormwater Technology Evaluation Program Evaluating Stormwater BMPs Spring 2013](https://reader038.fdocuments.us/reader038/viewer/2022103102/56815c85550346895dca9a67/html5/thumbnails/13.jpg)
www.mastep.net
Innovative BMPs – Media Filtration
Removal Efficiency:50-80% averageDesign rate: case by
case evaluationDesign Features:
small areaOil and Grease
controlMaintenance: moderateCost: moderate
Massachusetts Stormwater Technology Evaluation Project, UMass
Stormwater Management Inc, 2002
![Page 14: Massachusetts Stormwater Technology Evaluation Program Evaluating Stormwater BMPs Spring 2013](https://reader038.fdocuments.us/reader038/viewer/2022103102/56815c85550346895dca9a67/html5/thumbnails/14.jpg)
www.mastep.net
Innovative BMPs - HydrodynamicRemoval Efficiency:
No treatment to 35%Design rate: case by
case evaluationDesign Features:
small areaOil and Grease
controlMaintenance: moderateCost: moderate
Vortechs Inc, 2002
![Page 15: Massachusetts Stormwater Technology Evaluation Program Evaluating Stormwater BMPs Spring 2013](https://reader038.fdocuments.us/reader038/viewer/2022103102/56815c85550346895dca9a67/html5/thumbnails/15.jpg)
www.mastep.net
Address technology review and approval barriers in policy and regulations;
Accept the performance tests and data from partner’s review to reduce subsequent review and approval time;
Use the Protocol for state-led initiatives, grants, and verification or certification programs; and
Share technology information with potential users in the public and private sectors using existing state supported programs
CAILMAMDNJNYPAVATX
TARP- Technology Acceptance Reciprocity Program
![Page 16: Massachusetts Stormwater Technology Evaluation Program Evaluating Stormwater BMPs Spring 2013](https://reader038.fdocuments.us/reader038/viewer/2022103102/56815c85550346895dca9a67/html5/thumbnails/16.jpg)
www.mastep.net
Performance Verification - TARPStorm Event Criteria to Sample
• More than 0.1 inch of total rainfall.• A minimum inter-event period of 6 hours, where cessation
of flow from the system begins the inter-event period.• Obtain flow-weighted composite samples covering a
minimum of 70 % of the total storm flow, including as much of the first 20 % of the storm as possible.
• A minimum of 10 water quality samples (i.e., 10 influent and 10 effluent samples) should be collected per storm event.
Determining a Representative Data Set• At least 50 % of the total annual rainfall must be sampled,
for a minimum of 15 inches of precipitation and at least 15, but preferably 20, storms.
Massachusetts Stormwater Technology Evaluation Project, UMass
![Page 17: Massachusetts Stormwater Technology Evaluation Program Evaluating Stormwater BMPs Spring 2013](https://reader038.fdocuments.us/reader038/viewer/2022103102/56815c85550346895dca9a67/html5/thumbnails/17.jpg)
www.mastep.net
Performance Verification - TARPStormwater Sampling Locations
Sampling locations for stormwater BMPs should be taken at inlet and outlet.
Sampling Methods Programmable automatic flow samplers with
continuous flow measurements should be used • Grab samples used for: pH, temperature, cyanide, total phenols, residual chlorine, oil and grease, total petroleum hydrocarbons (TPH), E coli, total coliform, fecal coliform and streptococci, and enterococci.
• Stormwater Flow Measurement Methods• Primary and secondary flow measurement devices are
required.
![Page 18: Massachusetts Stormwater Technology Evaluation Program Evaluating Stormwater BMPs Spring 2013](https://reader038.fdocuments.us/reader038/viewer/2022103102/56815c85550346895dca9a67/html5/thumbnails/18.jpg)
www.mastep.net
Is There Enough Data?Field Studies
15+ storms
15 inches of rainfall
Lab Studies
15 test runs
![Page 19: Massachusetts Stormwater Technology Evaluation Program Evaluating Stormwater BMPs Spring 2013](https://reader038.fdocuments.us/reader038/viewer/2022103102/56815c85550346895dca9a67/html5/thumbnails/19.jpg)
www.mastep.net
Are the Data Representative?
Weather conditions
Topography, land use
Soils, sediments
![Page 20: Massachusetts Stormwater Technology Evaluation Program Evaluating Stormwater BMPs Spring 2013](https://reader038.fdocuments.us/reader038/viewer/2022103102/56815c85550346895dca9a67/html5/thumbnails/20.jpg)
www.mastep.net
Massachusetts Stormwater Technology Evaluation Project, UMass
![Page 21: Massachusetts Stormwater Technology Evaluation Program Evaluating Stormwater BMPs Spring 2013](https://reader038.fdocuments.us/reader038/viewer/2022103102/56815c85550346895dca9a67/html5/thumbnails/21.jpg)
www.mastep.net
Massachusetts Stormwater Technology Evaluation Project, UMass
![Page 22: Massachusetts Stormwater Technology Evaluation Program Evaluating Stormwater BMPs Spring 2013](https://reader038.fdocuments.us/reader038/viewer/2022103102/56815c85550346895dca9a67/html5/thumbnails/22.jpg)
www.mastep.net
Massachusetts Stormwater Technology Evaluation Project, UMass
![Page 23: Massachusetts Stormwater Technology Evaluation Program Evaluating Stormwater BMPs Spring 2013](https://reader038.fdocuments.us/reader038/viewer/2022103102/56815c85550346895dca9a67/html5/thumbnails/23.jpg)
www.mastep.net
Massachusetts Stormwater Technology Evaluation Project, UMass
![Page 24: Massachusetts Stormwater Technology Evaluation Program Evaluating Stormwater BMPs Spring 2013](https://reader038.fdocuments.us/reader038/viewer/2022103102/56815c85550346895dca9a67/html5/thumbnails/24.jpg)
www.mastep.net
Are the Data Representative?, Weather, Flows
• Multiple samples per event
• Field Studies: must include high flow/intensity storms• Consecutive storms• Sample all year
• Lab Studies: Flow rates: 25%, 50%, 75%, 100%, 125%
![Page 25: Massachusetts Stormwater Technology Evaluation Program Evaluating Stormwater BMPs Spring 2013](https://reader038.fdocuments.us/reader038/viewer/2022103102/56815c85550346895dca9a67/html5/thumbnails/25.jpg)
www.mastep.net
![Page 26: Massachusetts Stormwater Technology Evaluation Program Evaluating Stormwater BMPs Spring 2013](https://reader038.fdocuments.us/reader038/viewer/2022103102/56815c85550346895dca9a67/html5/thumbnails/26.jpg)
www.mastep.net
![Page 27: Massachusetts Stormwater Technology Evaluation Program Evaluating Stormwater BMPs Spring 2013](https://reader038.fdocuments.us/reader038/viewer/2022103102/56815c85550346895dca9a67/html5/thumbnails/27.jpg)
www.mastep.net
![Page 28: Massachusetts Stormwater Technology Evaluation Program Evaluating Stormwater BMPs Spring 2013](https://reader038.fdocuments.us/reader038/viewer/2022103102/56815c85550346895dca9a67/html5/thumbnails/28.jpg)
www.mastep.net
Particle size: mean < 100 microns; distribution 55% sand, 40% silt, 5% clay
Influent concentration 100 – 300 mg/l
Are the Data Representative? Sediment
![Page 29: Massachusetts Stormwater Technology Evaluation Program Evaluating Stormwater BMPs Spring 2013](https://reader038.fdocuments.us/reader038/viewer/2022103102/56815c85550346895dca9a67/html5/thumbnails/29.jpg)
www.mastep.net
![Page 30: Massachusetts Stormwater Technology Evaluation Program Evaluating Stormwater BMPs Spring 2013](https://reader038.fdocuments.us/reader038/viewer/2022103102/56815c85550346895dca9a67/html5/thumbnails/30.jpg)
www.mastep.net
![Page 31: Massachusetts Stormwater Technology Evaluation Program Evaluating Stormwater BMPs Spring 2013](https://reader038.fdocuments.us/reader038/viewer/2022103102/56815c85550346895dca9a67/html5/thumbnails/31.jpg)
www.mastep.net
Impact of Particle Size on PerformanceU.S. Silica particle size distributions
0%
20%
40%
60%
80%
100%
0.0 0.0 0.1 1.0
Particle Size (mm)
Per
cent
Fin
er (%
)
F-95 OK-110 Sil-Co-Sil 106
![Page 32: Massachusetts Stormwater Technology Evaluation Program Evaluating Stormwater BMPs Spring 2013](https://reader038.fdocuments.us/reader038/viewer/2022103102/56815c85550346895dca9a67/html5/thumbnails/32.jpg)
www.mastep.net
Impact of Particle Size on Performance
![Page 33: Massachusetts Stormwater Technology Evaluation Program Evaluating Stormwater BMPs Spring 2013](https://reader038.fdocuments.us/reader038/viewer/2022103102/56815c85550346895dca9a67/html5/thumbnails/33.jpg)
www.mastep.net
Quality Control tests, data
Standardized methods
Are Results Accurate, Repeatable?
![Page 34: Massachusetts Stormwater Technology Evaluation Program Evaluating Stormwater BMPs Spring 2013](https://reader038.fdocuments.us/reader038/viewer/2022103102/56815c85550346895dca9a67/html5/thumbnails/34.jpg)
www.mastep.net
Innovative BMPs - Advanced Sedimentation
Rinker Inc, 2002
![Page 35: Massachusetts Stormwater Technology Evaluation Program Evaluating Stormwater BMPs Spring 2013](https://reader038.fdocuments.us/reader038/viewer/2022103102/56815c85550346895dca9a67/html5/thumbnails/35.jpg)
www.mastep.net
![Page 36: Massachusetts Stormwater Technology Evaluation Program Evaluating Stormwater BMPs Spring 2013](https://reader038.fdocuments.us/reader038/viewer/2022103102/56815c85550346895dca9a67/html5/thumbnails/36.jpg)
www.mastep.net
Summary – what to look for
15 storm events
15 inches rain. 50% annual average.
Particle size: mean < 100 microns - distribution: 55% sand, 40% silt, 5% clay
Influent concentration: 100 – 300 mg/l
Flows: range, up to 125% design capacity.
Scour tests
![Page 37: Massachusetts Stormwater Technology Evaluation Program Evaluating Stormwater BMPs Spring 2013](https://reader038.fdocuments.us/reader038/viewer/2022103102/56815c85550346895dca9a67/html5/thumbnails/37.jpg)
www.mastep.net
Massachusetts Stormwater Technology Evaluation Project, UMass
![Page 38: Massachusetts Stormwater Technology Evaluation Program Evaluating Stormwater BMPs Spring 2013](https://reader038.fdocuments.us/reader038/viewer/2022103102/56815c85550346895dca9a67/html5/thumbnails/38.jpg)
www.mastep.net
![Page 39: Massachusetts Stormwater Technology Evaluation Program Evaluating Stormwater BMPs Spring 2013](https://reader038.fdocuments.us/reader038/viewer/2022103102/56815c85550346895dca9a67/html5/thumbnails/39.jpg)
www.mastep.net
![Page 40: Massachusetts Stormwater Technology Evaluation Program Evaluating Stormwater BMPs Spring 2013](https://reader038.fdocuments.us/reader038/viewer/2022103102/56815c85550346895dca9a67/html5/thumbnails/40.jpg)
www.mastep.net
![Page 41: Massachusetts Stormwater Technology Evaluation Program Evaluating Stormwater BMPs Spring 2013](https://reader038.fdocuments.us/reader038/viewer/2022103102/56815c85550346895dca9a67/html5/thumbnails/41.jpg)
www.mastep.net
Massachusetts Stormwater Technology Evaluation Project, UMass
BMP Performance Comparison Table
![Page 42: Massachusetts Stormwater Technology Evaluation Program Evaluating Stormwater BMPs Spring 2013](https://reader038.fdocuments.us/reader038/viewer/2022103102/56815c85550346895dca9a67/html5/thumbnails/42.jpg)
www.mastep.net
Massachusetts Stormwater Technology Evaluation Project, UMass
![Page 43: Massachusetts Stormwater Technology Evaluation Program Evaluating Stormwater BMPs Spring 2013](https://reader038.fdocuments.us/reader038/viewer/2022103102/56815c85550346895dca9a67/html5/thumbnails/43.jpg)
www.mastep.net
Massachusetts Stormwater Technology Evaluation Project, UMass
![Page 44: Massachusetts Stormwater Technology Evaluation Program Evaluating Stormwater BMPs Spring 2013](https://reader038.fdocuments.us/reader038/viewer/2022103102/56815c85550346895dca9a67/html5/thumbnails/44.jpg)
www.mastep.net
![Page 45: Massachusetts Stormwater Technology Evaluation Program Evaluating Stormwater BMPs Spring 2013](https://reader038.fdocuments.us/reader038/viewer/2022103102/56815c85550346895dca9a67/html5/thumbnails/45.jpg)
www.mastep.net
Massachusetts Stormwater Technology Evaluation Project, UMass
![Page 46: Massachusetts Stormwater Technology Evaluation Program Evaluating Stormwater BMPs Spring 2013](https://reader038.fdocuments.us/reader038/viewer/2022103102/56815c85550346895dca9a67/html5/thumbnails/46.jpg)
www.mastep.net
Massachusetts Stormwater Technology Evaluation Project, UMass
![Page 47: Massachusetts Stormwater Technology Evaluation Program Evaluating Stormwater BMPs Spring 2013](https://reader038.fdocuments.us/reader038/viewer/2022103102/56815c85550346895dca9a67/html5/thumbnails/47.jpg)
www.mastep.net
Massachusetts Stormwater Technology Evaluation Project, UMass
![Page 48: Massachusetts Stormwater Technology Evaluation Program Evaluating Stormwater BMPs Spring 2013](https://reader038.fdocuments.us/reader038/viewer/2022103102/56815c85550346895dca9a67/html5/thumbnails/48.jpg)
www.mastep.net
Massachusetts Stormwater Technology Evaluation Project, UMass
![Page 49: Massachusetts Stormwater Technology Evaluation Program Evaluating Stormwater BMPs Spring 2013](https://reader038.fdocuments.us/reader038/viewer/2022103102/56815c85550346895dca9a67/html5/thumbnails/49.jpg)
www.mastep.net
MASTEP Rating SystemCategory 0: MASTEP has not yet reviewed
performance data for this technology. Category 1: TARP-compliant field study or
equivalent lab study data available for this product
Cat. 2: Sound field or lab study data available – some caveats
Cat. 3: Data of moderate scientific validity exists – significant caveats
Cat. 4: Reliable performance lacking
![Page 50: Massachusetts Stormwater Technology Evaluation Program Evaluating Stormwater BMPs Spring 2013](https://reader038.fdocuments.us/reader038/viewer/2022103102/56815c85550346895dca9a67/html5/thumbnails/50.jpg)
www.mastep.net
Higher rating does NOT mean better performance
MASTEP evaluates
quality of performance DATA
NOTBMP Performance Results
![Page 51: Massachusetts Stormwater Technology Evaluation Program Evaluating Stormwater BMPs Spring 2013](https://reader038.fdocuments.us/reader038/viewer/2022103102/56815c85550346895dca9a67/html5/thumbnails/51.jpg)
www.mastep.net
Massachusetts Stormwater Technology Evaluation Project, UMass
BMP Performance Comparison Table
![Page 52: Massachusetts Stormwater Technology Evaluation Program Evaluating Stormwater BMPs Spring 2013](https://reader038.fdocuments.us/reader038/viewer/2022103102/56815c85550346895dca9a67/html5/thumbnails/52.jpg)
www.mastep.net
Massachusetts Stormwater Technology Evaluation Project, UMass
![Page 53: Massachusetts Stormwater Technology Evaluation Program Evaluating Stormwater BMPs Spring 2013](https://reader038.fdocuments.us/reader038/viewer/2022103102/56815c85550346895dca9a67/html5/thumbnails/53.jpg)
www.mastep.net
Massachusetts Stormwater Technology Evaluation Project, UMass
![Page 54: Massachusetts Stormwater Technology Evaluation Program Evaluating Stormwater BMPs Spring 2013](https://reader038.fdocuments.us/reader038/viewer/2022103102/56815c85550346895dca9a67/html5/thumbnails/54.jpg)
www.mastep.net
Lab vs. Field TestsLab• Relatively inexpensive• Standardized – best for comparing 2 BMPs• “Ideal” conditions, not real world – simplified• Short termField• Real world. Problems are encountered• Can’t control conditions• Expensive• Long Duration
![Page 55: Massachusetts Stormwater Technology Evaluation Program Evaluating Stormwater BMPs Spring 2013](https://reader038.fdocuments.us/reader038/viewer/2022103102/56815c85550346895dca9a67/html5/thumbnails/55.jpg)
www.mastep.net
Massachusetts Stormwater Technology Evaluation Project, UMass
![Page 56: Massachusetts Stormwater Technology Evaluation Program Evaluating Stormwater BMPs Spring 2013](https://reader038.fdocuments.us/reader038/viewer/2022103102/56815c85550346895dca9a67/html5/thumbnails/56.jpg)
www.mastep.net
Massachusetts Stormwater Technology Evaluation Project, UMass
![Page 57: Massachusetts Stormwater Technology Evaluation Program Evaluating Stormwater BMPs Spring 2013](https://reader038.fdocuments.us/reader038/viewer/2022103102/56815c85550346895dca9a67/html5/thumbnails/57.jpg)
www.mastep.net
Contact
Jerry Schoen MASTEP Project ManagerBlaisdell House UMass Amherst MA [email protected]
Massachusetts Stormwater TechnologyEvaluation Project
www.mastep.net
![Page 58: Massachusetts Stormwater Technology Evaluation Program Evaluating Stormwater BMPs Spring 2013](https://reader038.fdocuments.us/reader038/viewer/2022103102/56815c85550346895dca9a67/html5/thumbnails/58.jpg)
www.mastep.net
“The effectiveness of Proprietary BMPs varies with the size of the unit, flow requirements, and specific site conditions. The UMass Stormwater Technologies Clearinghouse database evaluates the quality of proprietary BMP effectiveness studies. MassDEP urges Conservation Commissions to use this database when verifying the effectiveness of Proprietary BMPs: www.mastep.net”
-Excerpt from MA Stormwater Handbook Volume 2 Chapter 4
![Page 59: Massachusetts Stormwater Technology Evaluation Program Evaluating Stormwater BMPs Spring 2013](https://reader038.fdocuments.us/reader038/viewer/2022103102/56815c85550346895dca9a67/html5/thumbnails/59.jpg)
www.mastep.net
Two Ways to Approve or Deny the Use of Proprietary Stormwater BMPs
1. MassDEP has reviewed the performance of a technology as determined by TARP or STEP and assigned a TSS removal efficiency.
If the conditions under which it is proposed to be used are similar to those in the performance testing, presume that the proprietary BMP achieves the assigned TSS removal rate.
Look at sizing, flow and site conditions. 2. Issuing Authority makes a case-by-case assessment of a
specific proposed use of a proprietary technology at a particular site and assigns a TSS removal efficiency.
Proponent must submit reports or studies showing effectiveness of BMP.
MassDEP strongly recommends using UMass Stormwater Technologies Clearinghouse database to ensure that reports and studies are of high quality (www.mastep.net).
Look at sizing, flow and site conditions. For ultra-urban and constrained sites, proprietary BMPs may
be the best choice.