Found 2238 datasets matching filters.
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Water quality data for the Refuge collected by volunteers collected once every two weeks: Turbidity, pH, Dissolved oxygen (DO), Salinity & Temperature. Sampling will occur at designated locations...
Search relevance: 1.00 | Views last month: 461 | Catalog Last Checked: January 25, 2026 at 05:31 PM -
This collection contains comprehensive datasets and reports collected in support of the Mamala Bay Study during 1993-1995. Physical, chemical, biological, and geological datasets and reports are...
Search relevance: 1.00 | Views last month: 122 | Catalog Last Checked: May 06, 2026 at 06:46 AM -
These data were compiled as part of a long-term (1964 - 2022) water quality monitoring program at Lake Powell. Objectives of our study were to release a consistent record of long-term water...
Search relevance: 1.00 | Views last month: 71 | Catalog Last Checked: May 05, 2026 at 09:23 PM -
The USGS compiles online access to water-resources data collected at approximately 1.5 million sites in all 50 States, the District of Columbia, Puerto Rico, the Virgin Islands, Guam, American...
Search relevance: 1.00 | Views last month: 67 | Catalog Last Checked: May 05, 2026 at 08:58 PM -
This part of the data release contains the raster representation of the groundwater-level altitude and groundwater-level change maps developed every 5 years from 1980 to 2015 for the upper Rio...
Search relevance: 1.00 | Views last month: 50 | Catalog Last Checked: May 05, 2026 at 09:23 PM -
This U.S. Geological Survey data release contains datasets that combine past data with future projections of nitrogen sources and nitrogen export to the Chesapeake Bay watershed for the years...
Search relevance: 1.00 | Views last month: 35 | Catalog Last Checked: May 05, 2026 at 08:22 PM -
This Data Release contains various types of hydrologic and geologic data from the Upper Rio Grande Focus Area Study from 1921-2017, including groundwater-level measurement data compiled and...
Search relevance: 1.00 | Views last month: 33 | Catalog Last Checked: May 05, 2026 at 08:37 PM -
In the summer of 2014 at Pawtuckaway Beach at Pawtuckaway State Park in Nottingham New Hampshire, the U.S. Geological Survey (USGS) established a seasonal meteorological station (430508071091801)...
Search relevance: 1.00 | Views last month: 29 | Catalog Last Checked: May 05, 2026 at 08:29 PM -
This data product contains soil chemistry data from 4 locations. Two of the locations were located in the Neversink River watershed near Claryville, NY (01435000) in the Catskill Mountains of New...
Search relevance: 1.00 | Views last month: 29 | Catalog Last Checked: May 05, 2026 at 10:00 PM -
Data collected to assess water quality conditions in the natural creeks, aquifers and lakes in the Austin area. This is raw data, provided directly from our Water Resources Monitoring database...
Search relevance: 1.00 | Views last month: 28 | Catalog Last Checked: April 29, 2026 at 10:03 PM -
This dataset is part of the U.S. Geological Survey (USGS) Great Lakes Coastal Wetland Restoration Assessment (GLCWRA) initiative. These data represent the flowline network in the Green Bay...
Search relevance: 1.00 | Views last month: 23 | Catalog Last Checked: May 05, 2026 at 08:25 PM -
This data set contains small-scale base GIS data layers compiled by the National Park Service Servicewide Inventory and Monitoring Program and Water Resources Division for use in a ...
Search relevance: 1.00 | Views last month: 23 | Catalog Last Checked: March 04, 2026 at 06:58 AM -
This map shows specific water-quality items and hydrologic data site information which come from QWDATA (Water Quality) and GWSI (Ground Water Information System). Both QWDATA and GWSI are...
Search relevance: 1.00 | Views last month: 23 | Catalog Last Checked: May 05, 2026 at 08:28 PM -
The California State Water Project (SWP) is one of the nation’s largest water conveyance projects. Its geographic extent stretches from Sierra Nevada lakes north of Lake Tahoe, down the Central...
Search relevance: 1.00 | Views last month: 22 | Catalog Last Checked: March 28, 2026 at 07:38 PM -
Data provided here describe geochemical correction of carbon-14 in dissolved inorganic carbon (DIC) for groundwater age dating. Datasets include major ion chemistry of groundwater samples, model...
Search relevance: 1.00 | Views last month: 22 | Catalog Last Checked: May 05, 2026 at 08:19 PM -
District homeowners who remove impervious surfaces and replace them with permeable pavement or re-vegetate them to reduce and/or treat stormwater runoff from impervious surfaces on their property...
Search relevance: 1.00 | Views last month: 20 | Catalog Last Checked: May 05, 2026 at 10:34 PM -
This map shows specific water-quality items and hydrologic data site information which come from QWDATA (Water Quality) and GWSI (Ground Water Information System). Both QWDATA and GWSI are...
Search relevance: 1.00 | Views last month: 19 | Catalog Last Checked: May 05, 2026 at 08:05 PM -
The project provides information that can be used in preliminary land use-based risk assessments for pesticides potentially used in the St. Johns River watershed, and for a broad suite of...
Search relevance: 1.00 | Views last month: 19 | Catalog Last Checked: May 10, 2026 at 03:26 AM -
This map shows specific water-quality items and hydrologic data site information which come from QWDATA (Water Quality) and GWSI (Ground Water Information System). Both QWDATA and GWSI are...
Search relevance: 1.00 | Views last month: 19 | Catalog Last Checked: May 05, 2026 at 10:09 PM -
In this data release, we provide data to describe the water quality in Green Lake, Wisconsin, from 1905 to 2020, primarily the constituents for which it is impaired, including near-surface total...
Search relevance: 1.00 | Views last month: 19 | Catalog Last Checked: May 05, 2026 at 09:20 PM
