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1. Nitrogen and Phosphorus Pollution Data Access Tool (NPDAT) [EPA_npdat]
The Nitrogen and Phosphorus Pollution Data Access Tool (NPDAT) enables users to view and download nitrogen and phosphorus pollution data from a variety of databases. The NPDAT utilizes shared Web ...

2. BEACON 2.0 - Beach Advisory and Closing On-line Notification [EPA_BEACON]
The U.S. Environmental Protection Agency (EPA) created the BEach Advisory and Closing Online Notification (BEACON) system to meet the Agency's requirement to provide to the public a database of pollution ...

3. Watershed Assessment, Tracking & Environmental ResultS (WATERS) [EPA_WATERS]
Watershed Assessment, Tracking & Environmental ResultS (WATERS) is an integrated information system for the nation's surface waters. The EPA Office of Water manages numerous programs in support of ...

4. The National Hydrography Dataset Reach Indexing Tool (NHD-RIT) [EPA_NHD_RIT]
The National Hydrography Dataset Reach Indexing Tool (NHD-RIT) is an interactive GIS application that allows users to georeference surface water data using the National Hydrography Dataset (NHD). ...

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