Since 1998, the National Park Service (NPS) and the U.S. Geological Survey (USGS) have gathered information on water quality in parks to enable the National Park Service to address its most critical water quality management responsibilities. The USGS-NPS Water-Quality Parternship program was created as part of the Clean Water Action Plan, a Presidential initiative to commemorate the 25th anniversary of the Clean Water Act.
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Last updated: December 14, 2021