122 datasets found
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Federal
Assessment of nutrients and water-quality constituents at the Sacramento-San Joaquin River Confluence during a phytoplankton bloom in July 2017
Department of the Interior —
This report documents the spatial and temporal variability of nutrients and related water quality parameters at high spatial resolution in the North Delta in the... -
Federal
Assessing spatial variability of nutrients and related water quality constituents in the California Sacramento-San Joaquin Delta at the landscape scale: 2018 High resolution mapping surveys (ver. 2.0, October 2023)
Department of the Interior —
The dataset documents the spatial and temporal variability of nutrients and related water quality parameters at high spatial resolution in the North Delta, Central... -
Federal
Surface-Water Geochemistry of Mercury and other Constituents in Clear Lake, Lake County, California
Department of the Interior —
Clear Lake is a 180 km2 freshwater lake located approximately 120 km northwest of Sacramento in the California Coast Range. The lake is a popular sport-fishing... -
Federal
USGS measurements of water quality in San Francisco Bay (CA), 2016-2021 (ver. 4.0, March 2023)
Department of the Interior —
The U.S. Geological Survey maintains a program of water-quality studies in San Francisco Bay (CA) that began in 1969. This USGS Data Release archives and makes... -
Federal
Mercury speciation and other constituent data for surface water and bed sediment associated with the Hamilton Airfield Wetland Restoration, Novato, California. USA (ver. 6.0, April 2025)
Department of the Interior —
The Hamilton Wetland Restoration Project (HWRP) is a joint venture between the US Army Corps of Engineers (USACE; San Francisco District) and the California State... -
Federal
Estimated daily loads of nutrients, sediment, and chloride at USGS edge-of-field stations, tributaries to Eagle Creek, Hancock and Hardin Counties, OH, WY2012-16
Department of the Interior —
As part of the Great Lakes Restoration Initiative, the U.S. Department of Agriculture, Natural Resources Conservation Service; U.S. Environmental Protection Agency;... -
Federal
Nitrogen and phosphorus from fertilizer and manure for selected Chesapeake Bay watersheds
Department of the Interior —
This dataset contains estimates of the yearly sum of total nitrogen and total phosphorus (hereafter referred to as nitrogen and phosphorus) inputs from fertilizer... -
Federal
Chemical characterization of water and suspended sediment of the Snake River and Hells Canyon Complex (Idaho, Oregon) (ver. 3.0, November 2023)
Department of the Interior —
This dataset includes laboratory analyses of surface water samples and sediment trap material collected from (1) locations upstream, downstream, and within the Hells... -
Federal
Data Collected to Evaluate Sources, Fate, and Mobility of Per- and Polyfluoroalkyl Substances (PFAS) at Cannon Air Force Base, New Mexico
Department of the Interior —
Soil, soil porewater, groundwater, and playa lake sediment samples were collected between September 2021 and November 2023 at Cannon Air Force Base (CAFB) in eastern... -
Federal
Assessing spatial variability of nutrients, phytoplankton and related water-quality constituents in the California Sacramento-San Joaquin Delta at the landscape scale: 2020-2021 High-resolution mapping surveys
Department of the Interior —
The dataset documents the spatial and temporal variability of nutrients, phytoplankton, and related water quality parameters at high spatial resolution in the... -
Federal
White River aggregate data and metadata
Department of the Interior —
The data.zip dataset contains metadata and total suspended solids, total phosphorus, nitrate plus nitrite, and total Kjeldahl nitrogen concentration data and... -
Federal
Geochemistry Data from Samples Collected in 2015-2017 to study an OG wastewater spill in Blacktail Creek, North Dakota
Department of the Interior —
These metadata sets present the comprehensive geochemical composition of solid and water samples from the site of a 11.4ML (million liters) wastewater spill... -
Federal
Nutrients and Major-Ions Measured in Water-Quality Samples Collected from Four North Texas Reservoirs (ver. 3.0, September 2021)
Department of the Interior —
In cooperation with Dallas Water Utilities (DWU), the U.S. Geological Survey (USGS) measures nutrient and major-ion concentrations in selected reservoirs in north... -
Federal
Geospatially derived environmental characteristics to prioritize watersheds for research and monitoring needs within 18 hydrologic regions across the United States
Department of the Interior —
Water availability for human and ecosystem needs is a function of both water quantity and water quality, as described in the U.S. Geological Survey (USGS) Water... -
Federal
Monitoring Data for Willow Creek Lake, Nebraska, 2012–14—Lake Chemistry
Department of the Interior —
Samples were collected from Willow Creek Lake approximately monthly during May through September by the Nebraska Department of Environmental Quality as a part of the... -
Federal
Monthly point-source nutrient loads within the watersheds draining to Puget Sound and the Strait of Juan de Fuca, Washington, 2005 – 2020
Department of the Interior —
This data release contains estimated monthly point-source nutrient loads for 97 municipal wastewater treatment plants, 20 industrial facilities, and 46 fish... -
Federal
Water-quality trends for rivers and streams in the Delaware River Basin using Weighted Regressions on Time, Discharge, and Season (WRTDS) models, Seasonal Kendall Trend (SKT) tests, and multisource data, Water Year 1978-2018 (input data)
Department of the Interior —
The datasets provided here are the input data used to run the Seasonal Kendall Trend (SKT) tests and Weighted Regressions on Time, Discharge, and Season (WRTDS)... -
Federal
Microbial Ecology of the Floridan Aquifer near Okeechobee, FL: Uptake and Inactivation Data
Department of the Interior —
This metadata record describes the microbial uptake of nutrients by native planktonic and biofilm-associated bacteria and the inactivation of E. coli, MS2... -
Federal
Data and rloadest models for daily total nitrogen load for the School Branch Watershed, Hendricks County, Indiana - water years 2016-2018
Department of the Interior —
Total Nitrogen (TN) rloadest models were developed to compute TN flux at School Branch at three USGS monitoring stations: School Branch at Maloney Road near... -
Federal
Owasco Lake, New York spatial water-quality data, June 26 and October 8, 2019
Department of the Interior —
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...
122 datasets found