Found 13 datasets matching "MS4".
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What is the MS4 Annual Report?Every year, the District submits an Annual Municipal Separate Storm Sewer System (MS4) Report to the U.S. Environmental Protection Agency (EPA), documenting the...
Search relevance: 157.36 | Views last month: 0 -
The dataset contains locations and attributes of the MS4 Storm Sewer outfalls created as part of the District MS4 Permit. GPS outfall locations were captured in 2004-2006 by, then, DC WASA. A...
Search relevance: 154.50 | Views last month: 3 -
The dataset contains the boundaries of the MS4 general permit, which are defined as the intersection of US Census urbanized areas and the watershed boundaries of the stormwater-impaired waters...
Search relevance: 109.95 | Views last month: 0 -
This layer depicts a generalized boundary of the District’s Municipal Separate Storm Sewer System (MS4) drainage areas. Each sewershed shows the general drainage area of a system of pipes and...
Search relevance: 83.91 | Views last month: 0 -
The Credit for Going Green project team worked with a panel of experts to generate science-based recommendations to calculate the pollutant removal rate of buffers in development, redevelopment,...
Search relevance: 65.00 | Views last month: 0 -
The dataset includes bacteria concentrations and microbial source indicator concentrations collected by Daniel B. Stephens and Associates, Inc. on behalf of the City of Albuquerque in the Middle...
Search relevance: 50.12 | Views last month: 0 -
The U.S. Geological Survey’s StreamStats program is a publicly-accessible web application (https://streamstats.usgs.gov) that can be used to delineate drainage areas, compute basin...
Search relevance: 37.83 | Views last month: 0 -
Special Condition S8.D of the 2007-2012 Phase I Municipal Stormwater Permit required permittees to collect and analyze data to evaluate pollutant loadings of stormwater discharged from different...
Search relevance: 33.88 | Views last month: 0 -
This dataset includes versions of the WWHM as they are released, including installation files and descriptions of changes along with dates and version numbers.
Search relevance: 29.88 | Views last month: 0 -
This dataset includes versions of the WWHM as they are released, including installation files and descriptions of changes along with dates and version numbers.
Search relevance: 29.88 | Views last month: 0 -
The feature datasets contain Phase 1 and Phase 2 municipal separate stormwater sewer system (MS4s) permittees in California. These draft layers are based on 2010 census data and they have not been...
Search relevance: 25.84 | Views last month: 0 -
This dataset looks at all aspects of storm water management in California as managed and regulated by the State Water Resources Control Board, from the **[Stormwater Multiple Application and...
Search relevance: 25.76 | Views last month: 3 -
I. SNEP HRU Project Background The Southeast New England Program (SNEP) region consists of watersheds in Massachusetts and Rhode Island that primarily drain into Narragansett Bay, Buzzards Bay,...
Search relevance: 17.73 | Views last month: 0
