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Federal
USGS Water-Quality Data for the Nation - National Water Information System (NWIS) recent views
Department of the Interior —
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... -
Federal
Estimated Annual Agricultural Pesticide Use for Counties of the Conterminous United States, 2013-17 (ver. 2.0, May 2020) recent views
Department of the Interior —
This data release provides estimates of annual agricultural use of pesticide compounds in counties of the conterminous United States, for years 2013-17, compiled by... -
Federal
Water-Quality Datasets from Synoptic Surveys in Nolin Lake, Kentucky, using an Autonomous Underwater Vehicle, Discrete Sampling, and Depth Profiles, August 2016 recent views
Department of the Interior —
The U.S. Geological Survey (USGS), in cooperation with the U.S. Army Corps of Engineers—Louisville District conducted a pilot study on the use of an autonomous... -
Federal
Analysis of Polyphenols in Water Primrose (Ludwigia hexapetala) Plants from the Sacramento-San Joaquin Delta of California recent views
Department of the Interior —
Water primrose (Ludwigia hexapetala) is an invasive aquatic vegetation that has rapidly increased in coverage throughout the Sacramento-San Joaquin Delta. Water... -
Federal
Phosphorus, nitrogen, carbon, calcium, pH, and dissolved oxygen data from incubations of Colorado River water and sediment and associated ambient river water measurements recent views
Department of the Interior —
Lake Powell retains most of the phosphorus that it receives, leading to downstream phosphorus limitation. These data were compiled to examine controls on phosphorus... -
Federal
Water quality and toxicity data to assess the potential effect of nitrogen on juvenile freshwater mussels (Bivalvia: Unionidae) in the Buffalo National River, Arkansas from September 16 2019 to November 20, 2020 recent views
Department of the Interior —
The Buffalo National River in Arkansas was established as the first national river in 1972 and later designated as an Extraordinary Resource Water with a Wild and... -
Federal
Data from Decadal Change in Groundwater Quality Web Site, 1988-2020 recent views
Department of the Interior —
Evaluating Decadal Changes in Groundwater Quality: Groundwater-quality data were collected from 5,000 wells between 1988-2001 (first decadal sampling event) by the... -
Federal
Methane and nitrous oxide temporal and spatial concentrations in the Iroquois River and Sugar Creek in Northwestern Indiana and Northeastern Illinois, 1999-2003 (ver. 2.0, November 2020) recent views
Department of the Interior —
A comprehensive study of water quality in two streams was conducted in the Midwestern United States in 1999 to 2003. The Iroquois River and Sugar Creek, located in... -
Federal
Data tables supporting analysis of general water-quality conditions, long-term trends, and network analysis at selected sites within the Missouri Ambient Water-Quality Monitoring Network, water years 1993–2017 recent views
Department of the Interior —
The U.S. Geological Survey (USGS), in cooperation with the Missouri Department of Natural Resources (MDNR), collects data pertaining to the surface-water resources of... -
Federal
Station MTKM03; Magnetotelluric sounding data in the Silverton Caldera complex, Colorado, 2019 recent views
Department of the Interior —
This dataset includes magnetotelluric (MT) sounding data collected in July 2019 in the Silverton Caldera complex, Colorado, in the Southern Rocky Mountain Volcanic... -
Federal
Uinta Basin Ground and Surface Water Quality Records recent views
Department of the Interior —
This database includes water quality records compiled at the request of the Bureau of Land Management for the Uinta Basin in Utah and Colorado. All data contained... -
Federal
Point measurements of temperature and water quality in main-channel and off-channel features of the Willamette River, 2015-16 recent views
Department of the Interior —
Water quality point measurements were collected by the U.S. Geological Survey within the main channel Willamette River and its off-channel features in the summer and... -
Federal
Agricultural Pesticide Use Estimates for the USGS National Water Quality Network, 1992-2014: Version 2 recent views
Department of the Interior —
The National Water Quality Network (NWQN) for Rivers and Streams includes 113 surface-water river and stream sites monitored by the U.S. Geological Survey (USGS)... -
Federal
Estimated annual agricultural pesticide use by major crop or crop group for states of the conterminous United States, 1992-2019 (including preliminary estimates for 2018-19) recent views
Department of the Interior —
This data release provides state-level estimates of annual agricultural use of pesticide compounds by major crop or crop group for states in the conterminous United... -
Federal
Specific Water Quality Sites for Summit County, Utah recent views
Department of the Interior —
This map shows specific water-quality items and hydrologic data site information which come from QWDATA (Water Quality) and GWSI (Ground Water Information System).... -
Federal
Pharmaceutical manufacturing facilities as sources of pharmaceuticals to municipal wastewater treatment plant discharge in the United States, 2004-2017 recent views
Department of the Interior —
Discharges from pharmaceutical manufacturing facilities (PMFs) previously have been identified as important sources of pharmaceuticals to the environment. Yet few... -
Federal
Phytoplankton Community Composition in Western Lake Erie Basin and Northeast Ohio, 2016-2018 recent views
Department of the Interior —
This dataset contains a tabular file of phytoplankton abundance and community composition analysis in samples collected from two sites in the Western Lake Erie Basin... -
Federal
Groundwater-level altitudes and volatile and semi-volatile organic compound concentrations at the Petro-Chemical Systems, Inc. (Turtle Bayou) Superfund site, Liberty County, Texas, 2023 recent views
Department of the Interior —
In 2023, the U.S. Geological Survey, in cooperation with the U.S. Environmental Protection Agency, collected groundwater-level altitude and water-quality data from... -
Federal
Krall, A.L., Elliott, S.M., 2022, Pesticides, human-use pharmaceuticals, and wastewater indicator compounds in Great Lake tributaries, 2019: U.S. Geological Survey data release, https://doi.org/10.5066/P9FUJCVP. recent views
Department of the Interior —
This dataset consists of select contaminants of emerging concern (CEC) including pesticides and transformation products, pharmaceuticals and transformation products,... -
Federal
Cyanotoxin, chlorophyll-a, and cyanobacterial toxin genetic data for samples collected at eleven large river sites throughout the United States, June through September 2017 recent views
Department of the Interior —
This U.S. Geological Survey (USGS) data release provides discretely measured cyanotoxin, chlorophyll-a, and cyanobacterial toxin genetic data for samples collected...