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Federal
Conterminous US modeled stream channel widths and depths
U.S. Environmental Protection Agency —
The data were generated by modeling wetted width, thalweg depth, bankfull width, and bankfull depth measurements from the USEPA's National Rivers and Streams... -
Federal
National Capital Region Network Stream Water Quality Data Package - cumulative through 2024
Department of the Interior —
This dataset represents the perennial nontidal water quality and quantity monitoring from 2005-2024 collected by the National Capital Region Network (NCRN) Inventory...