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Search for hydrologic data across sites, by a specified parameter.
Search relevance: 284.17 | Views last month: 3 | Catalog Last Checked: September 10, 2026 at 05:56 PM -
The National Water Quality Network (NWQN) for Rivers and Streams includes 113 surface-water river and stream sites monitored by the U.S. Geological Survey (USGS) National Water Quality Program...
Search relevance: 43.45 | Views last month: 1 | Catalog Last Checked: September 10, 2026 at 08:39 PM