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State
Interagency Ecological Program: Discrete water quality monitoring in the Sacramento-San Joaquin Bay-Delta, collected by the Environmental Monitoring Program, 2000-2018.
State of California —
The Interagency Ecological Program’s (IEP) Environmental Monitoring Program (EMP) has historically monitored discrete water quality and nutrients in the San Francisco... -
Federal
Water and sediment chemistry, and elemental (C/N ratios) and isotopic (delta 13C, delta 15N) data collected aboard R/V Endeavor cruise EN509 in the Gulf of Mexico from 2012-05-26 to 2012-06-19 (NCEI Accession 0205197)
National Oceanic and Atmospheric Administration, Department of Commerce —
This dataset contains water and sediment chemistry, and elemental (total C and N, C/N ratio) and isotopic (delta 13C, delta 15N) data collected during R/V Endeavor... -
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
Attributes for NHDPlus Version 2.1 Catchments and Modified Routing of Upstream Watersheds for the Conterminous United States: National Atmospheric Deposition Program (NADP) National Trends Network (NTN) 1985-2014
Department of the Interior —
This data set represents National Atmospheric Deposition Program (NADP) National Trends Network average of annual precipitation-weighted mean atmospheric deposition... -
Federal
Lake and Tributary chloride data for Seneca and Cayuga Lakes, New York (1897-2014)
Department of the Interior —
This data is comprised of representative chloride values Seneca and Cayuga Lakes and their tributaries from many sources. -
Federal
Great Lakes Network 2006-2024 Large Rivers Water Quality Monitoring Data as of 2025-03-15
Department of the Interior —
This data package was created 2025-03-15 17:41:53 by NPSTORET and includes selected project, location, and result data. Data contained in Great Lakes Network NPSTORET... -
Federal
1968 Surface Water Survey of Guam, Cited in Best and Davidson 1981 (ML-75)
Department of the Interior —
This data package was created 2025-12-03 08:11:25 by NPSTORET and includes selected project, location, and result data. Data are from a 1968 water survey of Guam... -
Federal
Diatom Assemblages as Indicators of Water Quality in Freshwater Habitats of Guam
Department of the Interior —
This data package was created 2025-12-03 10:49:12 by NPSTORET and includes selected project, location, and result data. Data are from William J. Zolan and J. A.... -
Federal
Water-quality data and computed flow-normalized and low-flow concentrations and loads in the Kansas River, Kansas, 1972–2020
Department of the Interior —
This data release provides water-quality data collected and analyzed by the U.S. Geological Survey (USGS) and the Kansas Department of Health and Environment (KDHE)... -
Federal
Storm Characteristics, Concentrations, and Loads Measured at the Permeable Pavement Research Facility, Madison, Wisconsin (2014 - 2016)
Department of the Interior —
This dataset describes water-quantity and -quality data measured from the parking lot influent and underdrain and overflow effluent from the permeable asphalt,... -
Federal
Chloride concentration data for the western part of the Southern Hills regional aquifer system, Louisiana, 2021-22, and selected historical data
Department of the Interior —
Groundwater is heavily used for public supply and industrial uses in the Baton Rouge area. Lowered water levels resulting from groundwater withdrawals have induced... -
Federal
Water Quality data from the Providence Water Supply Board for tributary streams to the Scituate Reservoir, water year 2015
Department of the Interior —
Water-quality data were collected by the Providence Water Supply Board (PWSB) from tributaries in the Scituate Reservoir drainage area, October 2014 through September... -
Federal
Gulf Coast Network 1976-2023 Water Quality Data from Ten Park Projects as of 2024-03-06
Department of the Interior —
This data package was created 2024-10-17 13:01:06 by NPSTORET and includes selected project, location, and result data. Data contained in the Gulf Coast Network... -
Federal
Physical, chemical, and biological water quality data and CTD casts collected from small boats in Saginaw Bay, Lake Huron in the Great Lakes region from 2008-05-12 to 2010-10-13 (NCEI Accession 0220469)
National Oceanic and Atmospheric Administration, Department of Commerce —
This dataset includes physical, chemical, and biological water sampling data collected in Saginaw Bay, Lake Huron from 2008 to 2010. These data were collected to aid... -
Federal
SRM 3182 Chloride Anion (Cl-) Standard Solution
National Institute of Standards and Technology —
This Standard Reference Material (SRM) is intended as a primary standard for the quantitative determination of chloride using anion ion chromatography (IC) or other... -
Federal
Borehole hydrogeologic-unit top-surface altitudes, aquifer hydraulic properties, and groundwater-sample chloride-concentration data from 1906 through 2016 for the Virginia Eastern Shore
Department of the Interior —
A hydrogeologic framework was developed by USGS during 2016-19 to describe the groundwater system on the Virginia Eastern Shore. This USGS data release contains text... -
Federal
Greater Yellowstone Network 2014-2022 Water Quality Data from the BICAWQ01, GRTEWQ01, and YELLWQ01 Projects as of 2023-11-02
Department of the Interior —
This data package was created 2025-07-08 12:01:09 by NPSTORET and includes selected project, location, and result data. Data contained in the Greater Yellowstone... -
Federal
Greater Yellowstone Network Published Water Quality Data through 2024 from the BICAWQ01, GRTEWQ01, and YELLWQ01 Projects as of 2025-03-14
Department of the Interior —
This data package was created 2025-03-25 07:54:10 by NPSTORET and includes selected project, location, and result data. Data contained in the Greater Yellowstone... -
Federal
Great Lakes Network 2006-2023 Inland Lakes Water Quality Monitoring Data as of 2024-04-19
Department of the Interior —
This data package was created 2024-10-17 15:12:07 by NPSTORET and includes selected project, location, and result data. Data contained in Great Lakes Network NPSTORET...