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Evaluation of NPDES Phase I Municipal Stormwater Monitoring Data |
USGS Stormwater Monitoring Station in Madison , WI
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There have been serious concerns about the reliability and utility of Phase 1 stormwater NPDES monitoring data, mainly due to a wide variety of experimental designs, sampling procedures, and analytical techniques used. On the other hand, the cumulative value of the monitoring data collected over almost a ten year period from hundreds of municipal outfalls and streams has great potential value to characterize the quality of stormwater runoff, and compare it against historical benchmarks (such as the NURP and USGS national datasets). This project will create a national database of Phase 1 stormwater monitoring data, provide a scientific analysis of the data, and provide recommendations for improving the quality and management value of future NPDES monitoring efforts.
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Recent Papers and Presentations |
Click in the following link to visit the recent papers and presentations of the: |
National Stormwater Quality Database (NSQD). Version 1.1 -- Spreadsheets | ||
NSQD Version 3 Spreadsheet This most recent update on NSQD. It contains contains
8,602 rain events from 104 cities throughout the continental United States, and
represents all 9 EPA Rain Zones and 12 land use categories. Total size: 7.51 Mb Updated: February 3, 2008, Version 3 |
Click on the image to open or save the spreadsheet |
NSQD Version 1.1 Spreadsheet This version of the NPDES MS4 database contains the data for more than 100 constituents in 64 communities for a total of 3700 events in 360 sites. The table is organized for different land uses and seasons. Total size: 4.78 Mb Updated: March 4, 2005, Version 1.1 |
Click on the image to open or save the spreadsheet |
Summary Table This is the summary of observations by land use Total size: 572 Kb Updated: April 30, 2005, Version 1.1 |
Site Descriptions |
ALABAMA |
ARIZONA | CALIFORNIA |
COLORADO |
Huntsville, Jefferson County, Mobile, Montgomery. |
Maricopa County, Tucson | Alameda, Caltrans | Colorado Springs, Denver Metro |
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GEORGIA |
IDAHO | KANSAS |
KENTUCKY |
Atlanta, Clayton County, Cobb County, Fulton County. | Ada County Highway District |
Topeka, Wichita | Jefferson County-Louisville, Lexington |
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MASSACHUSETTS |
MARYLAND | MINNESOTA |
NORTH CAROLINA |
Boston | Anne Arundel County, Baltimore County, Baltimore City, Carroll County, Charles County, Harford County, Howard County, Montgomery County, Princes Georges County, State Highway | Minneapolis | Charlotte, Fayetteville, Greensboro, Raleigh |
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OREGON |
PENNSYLVANIA | TENNESSEE |
TEXAS |
Clackamas County, Eugene, Gresham, Portland, Salem, ODOT | Philadelphia |
Knoxville, Memphis | Arlington, Dallas, Dallas County, Forth Worth, Gargland, Harris County, Houston, Irving, Mesquite, Plano, Tarrant County |
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VIRGINIA |
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Arlington County, Chesapeake, Chesterfield County, Fairfax County, Hampton, Henrico County, Newport News, Norfolk, Portsmouth, Virginia Beach. |
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