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Federal
Safe Drinking Water Information System - State System (SDWIS/State)
U.S. Environmental Protection Agency —
SDWIS/State is a data system that EPA is developing for states that will improve the quality of drinking water information. -
Federal
National Recommended Water Quality Criteria
U.S. Environmental Protection Agency —
The National Recommended Water Quality Criteria is a compilation of national recommended water quality criteria for the protection of aquatic life and human health in... -
Federal
Data on Aquatic Resources Tracking for Effective Regulation
U.S. Environmental Protection Agency —
DARTER is EPA's system to manage its workflow in the Clean Water Act Section 404 permit program. Section 404 requires a permit from the U.S. Army Corps of Engineers,... -
Federal
Office of Water Linked Data
U.S. Environmental Protection Agency —
The Office of Water Linked Data (OWLD) dataset stores EPA Water program information indexed to several National Hydrography Dataset frameworks. Indexing may be...