• Organization: State of California
• Updated: 2025-05-29T16:07:11.000Z

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...

• html
• csv
• geojson
• kml
• zip
• arcgis geoservices rest api

• Organization: District of Columbia
• Updated: 2025-01-28T19:48:11.000Z

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...

• web page
• arcgis geoservices rest api

• Organization: District of Columbia
• Updated: 2025-01-28T19:48:11.000Z

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...

• web page
• arcgis geoservices rest api

• Organization: District of Columbia
• Updated: 2025-01-28T19:48:11.000Z

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...

• web page
• arcgis geoservices rest api

• Organization: District of Columbia
• Updated: 2025-01-28T19:48:11.000Z

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...

• web page
• arcgis geoservices rest api

• Organization: District of Columbia
• Updated: 2025-01-28T19:48:11.000Z

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...

• arcgis geoservices rest api
• web page

• Organization: District of Columbia
• Updated: 2025-01-28T19:48:11.000Z

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...

• web page
• arcgis geoservices rest api

• Organization: District of Columbia
• Updated: 2024-01-30T20:53:45.000Z

This viewer shows impervious areas such as parking lots, driveways, and buildings in the District. The Department of Energy and Envrionment (DOEE) makes this viewer available to help users...

• arcgis geoservices rest api
• web page

• Organization: Department of the Interior
• Updated: 2021-06-11T00:00:00Z

Municipal Separate Storm Sewer System (MS4) permitees including the California Department of Transportation need information about potential loads and yields (loads per unit area) of constituents...

• xml
• xml

• Organization: Department of the Interior
• Updated: 2022-10-19T00:00:00Z

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...

• xml
• xml

• Organization: District of Columbia
• Updated: 2025-10-09T00:00:00.000Z

This app displays a series of general information for an address, location, or where the user clicks in DC. Some information returned are:Municipal Separate Storm Sewer System (MS4) areaCombined...

• arcgis geoservices rest api
• web page

• Organization: District of Columbia
• Updated: 2023-12-08T00:00:00.000Z

DC Water operates a wastewater collection system comprised of "separate" and "combined" sewers. Approximately two-thirds of the District is served by a separate sewer system, while the remaining...

• arcgis geoservices rest api
• ogc wms
• csv
• geojson
• kml
• zip
• +1 more