• Organization: U.S. Environmental Protection Agency
• Updated: 2021-04-08

The manuscript assembled data from existing sources (summarized below) to assess water quality improvements in three estuaries (Peconic Estuary (NY), Roberts Bay (FL), and Newport Bay (CA)...

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• Organization: U.S. Environmental Protection Agency
• Updated: 2016-04-11T00:00:00.000+00:00

This web service contains layers that depict annual emissions for 2014 at the facility and county level for the following criterial pollutants: CO, Lead, NH3, NOx, PM10, PM25, SO2, and VOC. The...

• Organization: District of Columbia
• Updated: 2023-04-28T00:00:00.000Z

NEI point sources include emissions estimates for larger sources that are located at a fixed, stationary location. Point sources in the NEI include large industrial facilities and electric power...

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• Organization: U.S. Environmental Protection Agency
• Updated: 2017-03-02T00:00:00.000+00:00

This US EPA Office of Air and Radiation, Office of Air Quality Planning and Standards, Air Quality Assessment Division, Air Quality Analysis Group (OAR, OAQPS, AQAD, AQAG) web service contains the...

• Organization: U.S. Environmental Protection Agency
• Updated: 2017-03-02T00:00:00.000+00:00

This US EPA Office of Air and Radiation, Office of Air Quality Planning and Standards, Air Quality Assessment Division, Air Quality Analysis Group (OAR, OAQPS, AQAD, AQAG) web service contains the...

• Organization: Department of the Interior
• Updated: 2020-08-27T00:00:00Z

To better understand the influence of human activities and natural processes on surface-water quality, the U.S. Geological Survey (USGS) developed the SPARROW (SPAtially Referenced Regressions On...

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• Organization: U.S. Environmental Protection Agency
• Updated: 2022-01-05

This data set is thedata of new plant survey and soil/media analysis for journal article currently titled "Developing multiple lines of evidence to decrease drainage to surface area ratio for...

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• Organization: Department of the Interior
• Updated: 2023-02-17T00:00:00Z

Natural land cover can remove pollutants from runoff water by slowing water flow and physically trapping suspended particles. We identified natural land cover in the Southeast US potentially...

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• Organization: Department of the Interior
• Updated: 2020-08-20T00:00:00Z

Natural land cover can remove pollutants from runoff water by slowing water flow and physically trapping suspended particles. We identified natural land cover in the Southeast US potentially...

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• Organization: U.S. Environmental Protection Agency
• Updated: 2023-03-01

Water quality data collected from multiple streams in the Chesapeake Bay watershed. This dataset is not publicly accessible because: owned by University of Maryland co-authors. It can be accessed...

• Organization: National Oceanic and Atmospheric Administration, Department of Commerce
• Updated: 2024-02-29T00:00:00.000+00:00

Stretching 15 miles inland, New Hampshire’s Great Bay cuts through the heart of one of the state’s most densely populated regions. Nitrogen concentrations in the bay have increased significantly,...

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• Organization: U.S. Environmental Protection Agency
• Updated: 2024-03-24

Water-quality and streamflow data are available at https://doi.org/10.5066/F7P55KJN. Calculated nutrient and sediment loads are available at https://doi.org/10.5066/P96H2BDO. Inputs to the...

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• Organization: Department of the Interior
• Updated: 2020-11-17T00:00:00Z

This raster data set represents the percentage of probability of nonpoint-source nitrate contamination (greater than the proposed background concentration of 4 milligrams per liter (mg/L) as N)...

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• Organization: U.S. Environmental Protection Agency
• Updated: 2022-05-06

Leverage existing nutrient input/output data from the Chesapeake Bay Program's CAST database to develop nitrogen and phosphorus inventories. These inventories will highlight spatiotemporal...

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• Organization: Department of the Interior
• Updated: 2020-08-27T00:00:00Z

To better understand the influence of human activities and natural processes on surface-water quality, the U.S. Geological Survey (USGS) developed the SPARROW (SPAtially Referenced Regressions On...

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• xml

• Organization: National Oceanic and Atmospheric Administration, Department of Commerce
• Updated: 2020-03-29T00:00:00.000+00:00

This dataset focuses on studies of water quality in the Ala Wai Canal in order to determine its role of point and non point source disharge into Mamala Bay. The Pollutant Source Identification...

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• Organization: National Oceanic and Atmospheric Administration, Department of Commerce
• Updated: 1998-12-31T00:00:00.000+00:00

These reports provide the results of nine years (1990-98) of an annual quantitative monitoring of shallow marine communities inshore of the Sand Island Ocean Outfall, Oahu, Hawaii. This monitoring...

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• Organization: U.S. Environmental Protection Agency
• Updated: 2021-02-01

The Maumee River and associated tributaries are an example of a system influenced by a mosaic of contaminant inputs from point and nonpoint sources along a gradient of land uses. To assess the...

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• Organization: National Oceanic and Atmospheric Administration, Department of Commerce
• Updated: 2026-01-01T00:00:00.000+00:00

An interdisciplinary effort to examine eelgrass health has increased trust among partners and inspired ideas for new management strategies by municipalities and state agencies. The...

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• Organization: Department of the Interior
• Updated: 2025-01-08T00:00:00Z

This data release supports "Diverging trends in nitrate and phosphorus loads and yields across Illinois watersheds, 1997–2022" (Kamrath and others, 2024) and the State of Illinois's Nutrient Loss...

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