Effectiveness of a Hydrodynamic Settling Device and a Stormwater Filtration Device in Milwaukee, Wisconsin

Bannerman, Roger T.; Pearson, Robert; Horwatich, Judy A.; Geological Survey (U.S.); United States. Dept. of the Interior

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Effectiveness of a Hydrodynamic Settling Device and a Stormwater Filtration Device in Milwaukee, Wisconsin

2008-09-01
By Bannerman, Roger T. ; Pearson, Robert ; Horwatich, Judy A.

[PDF-1.18 MB]

English

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Creators:

Bannerman, Roger T. ; Pearson, Robert ; Horwatich, Judy A.

Bannerman, Roger T. ; Pearson, Robert ; Horwatich, Judy A. Less -
Corporate Creators:

Geological Survey (U.S.) ; United States. Dept. of the Interior

Geological Survey (U.S.) ; United States. Dept. of the Interior Less -
Corporate Contributors:

Wisconsin. Dept. of Natural Resources ; Wisconsin. Dept. of Transportation. ; Wisconsin. Department of Transportation. Division of Business Services

Wisconsin. Dept. of Natural Resources ; Wisconsin. Dept. of Transportation. ; Wisconsin. Department of Transportation. Division of Business Services Less -
Subject/TRT Terms:

[+]

Drainage Efficiency Ratio Filtration Flow Rate Geographic Terms: Milwaukee (Wisconsin) Highways Hydraulics And Hydrology Hydrodynamic Pressure Hydrodynamics Hydrodynamic Settling Device I26: Water Freeze-thaw Runoff Storm Surges Stormwater Filtration Device Storm Water Management Summation Of Load Suspended Sediment Suspended Sediments Thermal Efficiency Total Suspended Solids Treatment Efficiency Water Treatment
Publication/ Report Number:

0092-00-03
Resource Type:

Tech Report
Geographical Coverage:

United States ; Wisconsin

United States ; Wisconsin Less -
TRIS Online Accession Number:

01129610
Edition:

Final Report
Corporate Publisher:

United States. Dept. of the Interior
Abstract:

The treatment efficiency of two proprietary stormwater treatment devices was tested at a freeway site in an ultra-urban part of Milwaukee, Wis. One treatment device is categorized as a hydrodynamic settling device (HSD) that removes pollutants by sedimentation and flotation. The other treatment device is categorized as a stormwater filtration device (SFD) that removes pollutants by filtration and sedimentation. During runoff events, flow measurements were recorded and water-quality samples were collected at the inlet and outlet of each device. An efficiency ratio and summation of loads (SOL) calculation were used to estimate the treatment efficiency of each device. Most constituents showed a reduction in average concentration and total load leaving the device, but a few constituents, especially dissolved ones, showed an increase in concentration and load at the outlets. The efficiency ratios for the HSD tend to be higher than the SOLs. In contrast the efficiency ratios and SOLs are about the same for the SFD.
Format:

PDF
Collection(s):

US Transportation Collection
Main Document Checksum:

[+]

urn:sha256:6d4c688727c4e459ef0b883e4335781b9c1be7bf006b21e91d8174fd095b7bb9
Download URL:

https://rosap.ntl.bts.gov/view/dot/39262/dot_39262_DS1.pdf
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Effectiveness of a Hydrodynamic Settling Device and a Stormwater Filtration Device in Milwaukee, Wisconsin

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