Found 766 datasets matching "National Water-Quality Assessment".
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This is a coverage of the boundaries and codes used for the U.S. Geological Survey's National Water-Quality Assessment (NAWQA) Program Study-Unit investigations in the conterminous United States,...
Search relevance: 163.06 | Views last month: 0 -
This is a coverage of the boundaries and codes used for the U.S. Geological Survey's National Water-Quality Assessment (NAWQA) Program Study-Unit investigations in the conterminous United States,...
Search relevance: 162.80 | Views last month: 0 -
This is a GENERALIZED version of the boundaries and codes used for the U.S. Geological Survey's National Water-Quality Assessment (NAWQA) Program Study-Unit investigations in the conterminous...
Search relevance: 155.76 | Views last month: 0 -
This is a GENERALIZED version of the boundaries and codes used for the U.S. Geological Survey's National Water-Quality Assessment (NAWQA) Program Study-Unit investigations in the conterminous...
Search relevance: 151.99 | Views last month: 0 -
This data release includes tables and plots of results for pesticide compounds (pesticides and degradates) analyzed in groundwater samples collected by the USGS National Water-Quality Assessment...
Search relevance: 142.52 | Views last month: 0 -
EPA's 2016 National Wetland Condition Assessment sampled wetlands across the conterminous USA for vegetation, soils, water chemistry, and anthropogenic impacts. Data for all of these elements of...
Search relevance: 138.57 | Views last month: 0 -
Replicate water-quality samples are collected and prepared in the field and analyzed in the laboratory in identical ways so that they are considered to be the same in composition and analysis...
Search relevance: 135.62 | Views last month: 0 -
In 2004, the Environmental Protection Agency (EPA) Environmental Monitoring and Assessment Program (EMAP) National Coastal Assessment (NCA), coordinated through the Gulf Ecology Division,...
Search relevance: 134.98 | Views last month: 0 -
Groundwater samples were collected and analyzed from 1,015 wells as part of the National Water-Quality Assessment Project of the U.S. Geological Survey National Water-Quality Program and the...
Search relevance: 134.91 | Views last month: 0 -
This data set includes results for hormone and pharmaceutical compounds analyzed in environmental and quality-control samples collected by the USGS National Water-Quality Assessment Project during...
Search relevance: 133.57 | Views last month: 0 -
The Southeast Coast Network assessed water-quality at Canaveral Island National Seashore as part of the National Park Service Vital Signs Monitoring Program. Monitoring was conducted following...
Search relevance: 130.09 | Views last month: 0 -
Groundwater-quality data were collected from 748 wells as part of the National Water-Quality Assessment Project of the U.S. Geological Survey National Water-Quality Program from May 2012 through...
Search relevance: 129.78 | Views last month: 0 -
As part of the U.S. Geological Survey's National Water-Quality Assessment Program, an investigation of the Yellowstone River Basin study unit is being conducted to document status and trends...
Search relevance: 127.23 | Views last month: 0 -
The Southeast Coast Network assessed water-quality at Fort Matanzas National Monument as part of the National Park Service Vital Signs Monitoring Program. Monitoring was conducted following...
Search relevance: 127.05 | Views last month: 0 -
The Southeast Coast Network assessed water-quality at Cumberland Island National Seashore as part of the National Park Service Vital Signs Monitoring Program. Monitoring was conducted following...
Search relevance: 126.93 | Views last month: 0 -
The Southeast Coast Network assessed water-quality at Fort Pulaski National Monument as part of the National Park Service Vital Signs Monitoring Program. Monitoring was conducted following methods...
Search relevance: 126.53 | Views last month: 0 -
This data set includes results for hormone and pharmaceutical compounds analyzed from 2012 through 2016 in laboratory quality-control samples that are associated with environmental samples...
Search relevance: 122.97 | Views last month: 0 -
This data set includes sample information and results for third-party performance assessment samples analyzed for hormones and pharmaceuticals during the same general time period as environmental...
Search relevance: 122.75 | Views last month: 0 -
The Southeast Coast Network assessed water-quality at Cape Hatteras and Cape Lookout National Seashore as part of the National Park Service Vital Signs Monitoring Program. Monitoring was conducted...
Search relevance: 121.50 | Views last month: 0 -
Groundwater-quality data were collected from 502 wells as part of the National Water-Quality Assessment Project of the U.S. Geological Survey National Water-Quality Program and are included in...
Search relevance: 120.82 | Views last month: 0
