This map shows a range of water quality indicators and point pollution sources for the James River watershed. Click on the map features to read the data behind the map.

Water quality measurements via Benthic Macroinvertibrate Indicators (benthos).

Source: Watershed Wide Benthic Invertebrate Database. Chesapeake Bay Program (CBP).

Links: Click here for more information.

Total Maximum Daily Load (TMDL)-tracked, 303(d) listed impaired streams.

Source: Assessment, TMDL Tracking and ImplementatioN System (ATTAINS). U.S. Environmental Protection Agency (EPA).

Link: Click here for more information.

National Pollutant Discharge Elimination System (NPDES) permit locations.

Source: NPDES. Office of Wastewater Management (OWM). U.S. Environmental Prtoection Agency (EPA).

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Sub-watershed (HU12) boundaries.

Source: Reach data (1:24,000 scale). Watershed Boundary Dataset (WBD). U.S. Geological Survey.

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James River and tributary waters stream data.

Source:  Stream data (1:100,000 scale); National Hydrography Dataset (NHD). U.S. Geological Survey.

Link: Click here for more information.

Map produced by the Cheapeake Conservancy and National Geographic Maps