Search datasets
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This data release presents the results of analyses of biota and water samples collected on multiple dates from 2007 to 2014 at 3 locations in Lake Mead National Recreation Area. Data are presented...
Search relevance: 1.00 | Views last month: 18 | Catalog Last Checked: September 10, 2026 at 08:22 PM -
This metadata report documents a shapefile of watershed boundaries for 84 selected United States Geological Survey (USGS) water quality stations that are part of the Chesapeake Bay non-tidal network (NTN).
Search relevance: 1.00 | Views last month: 11 | Catalog Last Checked: September 10, 2026 at 09:56 PM -
This dataset includes laboratory analyses of surface water samples and sediment trap material collected from (1) locations upstream, downstream, and within the Hells Canyon Complex (Idaho, Oregon)...
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This dataset provides estimates of residential septic tank densities at 12-digit Hydrologic Unit Code (HUC12), National Hydrography Dataset (NHD Plus version 2.1, 1:100k scale) catchment, and 2020...
Search relevance: 1.00 | Views last month: 10 | Catalog Last Checked: September 10, 2026 at 10:44 PM -
The U.S. Geological Survey (USGS) Water Availability Impacts of Extreme Events, Building Wildfire Capacity project, which aims to enhance the ability to assess and predict the impacts of wildfires...
Search relevance: 1.00 | Views last month: 10 | Catalog Last Checked: September 10, 2026 at 10:28 PM -
This dataset summarizes impairment status for HUC12 watersheds at the CONUS scale using the EPA publicly available Assessment, Total Maximum Daily Load (TMDL) Tracking and Implementation System...
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Water-quality data were collected by the Providence Water Supply Board (PWSB) from tributaries in the Scituate Reservoir drainage area, October 2016 through September 2017 (water year 2017)....
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Annual loads of selected constituents were estimated for five stations in the Scituate Reservoir drainage area, Rhode Island, for water years 2016 to 2019 as part of a long-term monitoring program...
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The goal of this study was to develop a suite of inter-related water quality monitoring approaches capable of modeling and estimating the spatial and temporal gradients of particulate and...
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This dataset contains measurements of dissolved hydrocarbons in from various water sources, as well as ancillary raw calibration data showing the stability of the gas chromatograph with an atomic...
Search relevance: 1.00 | Views last month: 8 | Catalog Last Checked: September 10, 2026 at 08:41 PM -
The High Resolution National Hydrography Dataset Plus (NHDPlus HR) is an integrated datset of geospatial data layers, including the most current National Hydrography Dataset (NHD),...
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The 3D Hydrography Program (3DHP) data is an integrated, National, 3D-enabled hydrologic dataset derived from the USGS 3D Elevation Program (3DEP) data. For areas where Elevation-derived...
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This data release contains estimated monthly point-source nutrient loads for 97 municipal wastewater treatment plants, 20 industrial facilities, and 46 fish hatcheries and other aquaculture...
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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...
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Water temperature data, in degrees Celsius, and specific conductance data, in microsiemens per centimeter at 25 degrees Celsius,(TC), were measured at U.S. Geological Survey streamgage 05536995...
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This U.S. Geological Survey (USGS) Data Release provides high-resolution, nearshore, spatial water-quality data collected from Owasco Lake, New York, on June 26 and October 8, 2019. All data are...
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The Willamette Valley Project (WVP) is a system of revetments, fish hatcheries, and 13 dams in the Willamette Basin of northwestern Oregon that is operated by the U.S. Army Corps of Engineers to...
Search relevance: 1.00 | Views last month: 6 | Catalog Last Checked: September 10, 2026 at 10:50 PM -
This dataset describes the quantity and morphology of microplastics in water, surficial sediment, sediment core, fish, and shellfish samples from Lake Mead National Recreation Area...
Search relevance: 1.00 | Views last month: 6 | Catalog Last Checked: September 10, 2026 at 09:48 PM -
This data set contains the following parameters: sediment and water temperature, dissolved nitrate plus nitrite dissolved, ammonium, total Kjeldahl nitrogen, soluble orthophosphate, dissolved...
Search relevance: 1.00 | Views last month: 5 | Catalog Last Checked: September 10, 2026 at 08:33 PM -
Montgomery County, Maryland Department of Environmental Protection has collected datasets to assess the health of streams since the early 1990s. Datasets include geomorphic stream cross-sectional...
Search relevance: 1.00 | Views last month: 5 | Catalog Last Checked: September 10, 2026 at 10:20 PM
