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MOU for NHDPlus for USGS and EPA

Memorandum of Understanding between the USGS and EPA for the cooperative maintenance and enhancement of the National Hydrography Dataset, the National Hydrography Dataset Plus and the Watershed Boundary Dataset.

MOU for NHDPlus for USGS and EPA (pdf) (333.32 KB)

MOU for NHDPlus for USGS and EPA

Water Data and Tools