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Watersheds
Newsworthy 
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Wetlands, Oceans and Watersheds news
Anacostia Watershed - part of the Chesapeake Bay watershed, 85% of which resides within Maryland and 15% within the District of Columbia
Chesapeake Bay - the largest estuary in the U.S., about 200 miles long, stretching from Havre de Grace, Maryland to Norfolk, Virginia
Elizaberth River Watershed - the Elizabeth River Project has received $1.18M in EPA grants; this river flows through Virginia into the Chesapeake Bay
Schuylkill Watershed - includes parts of 11 counties in southeastern Pennsylvania
Watersheds Map - large-scale watersheds in Delaware, the District of Columbia, Maryland, Pennsylvania, Virginia and West Virginia
Watershed Plans - Nonpoint Source Pollution - what is being done to reduce polluted runoff
Data - national water databases
Tools to Evaluate Our Progress - environmental indicators and the Logic Model
Nonpoint Sources - polluted runoff, comes from diffuse or scattered sources in the environment rather than from a defined outlet such as a pipe
Monitoring - taking and testing water samples
Stormwater - runoff from land and impervious areas such as streets, parking lots, and roofs during rain and snow events; regulated under the National Pollutant Discharge Elimination System (NPDES) permit program
Total Maximum Daily Load (TMDL) - the maximum amount of a pollutant that a waterbody can receive and still meet water quality standard
