A regional dataset containing E. coli monitoring sampling results collected along the Potomac and Anacostia Rivers, in response to the January 2026 Potomac Interceptor Collapse. Each data provider retains responsibility for its own data and submits to this compilation dataset voluntarily. Check the Source field to identify the data provider:
Contact individual data providers to learn more about their data (i.e., collection, quality assurance, terms of use, etc.). Questions regarding DC Department of Energy & Environment sampling sites can be directed to pi.data@dc.gov.
", "distribution": [{"@type": "dcat:Distribution", "accessURL": "https://opendata.dc.gov/content/DCGIS::potomac-interceptor", "format": "Web Page", "mediaType": "text/html", "title": "ArcGIS Hub Dataset"}, {"@type": "dcat:Distribution", "accessURL": "https://potomacinterceptor.dc.gov", "format": "ArcGIS GeoServices REST API", "mediaType": "application/json", "title": "ArcGIS GeoService"}], "identifier": "https://www.arcgis.com/home/item.html?id=ff589f6c46284ca7b6e32b885b33eae5", "issued": "2026-03-05T17:45:12.000Z", "keyword": ["E.coli", "Potomac", "Water Quality"], "landingPage": "https://opendata.dc.gov/content/DCGIS::potomac-interceptor", "license": "https://creativecommons.org/licenses/by/4.0", "modified": "2026-07-29T19:53:39.000Z", "publisher": {"name": "Department of Energy and Environment"}, "spatial": "-77.3546,38.3472,-76.9709,38.9807", "theme": ["geospatial"], "title": "Potomac Interceptor"}