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Federal
Nitrogen sources to and export from the Chesapeake Bay watershed, 1950 to 2050
Department of the Interior —
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... -
Federal
Upper Colorado River Basin Accumulated Wastewater Ratios and PFAS Model Predictions (ver. 2.0, August 2025)
Department of the Interior —
A wastewater reuse model was applied to the Upper Colorado River basin to assess the (1) percent of accumulated wastewater (ACCWW%) from municipal and industrial... -
Federal
Bacteria, nutrients, and contaminants of emerging concern in shallow groundwater of nearshore environments, Suffolk County, New York, 2013
Department of the Interior —
Onsite wastewater disposal systems (OWDS) in coastal regions of Long Island, New York, contribute bacteria, nutrients, and organic wastewater-associated compounds... -
Federal
Streamflow gain/loss in the Republican River Basin, Nebraska, October 1998
Department of the Interior —
This arc and point data set contains streamflow-measurement sites and reaches indicating streamflow gain or loss under base-flow conditions along the Republican River... -
Federal
Effluent-discharge dataset from the Outfall of the Nogales International Wastewater Treatment Plant, geographic NAD83 (Water Years 2012โ2014 and 2016)
Department of the Interior —
This dataset contains effluent-discharge data, in cubic feet per second, for the Santa Cruz location at the Outfall of the Nogales International Wastewater Treatment... -
Federal
Concentrations and laboratory quality-assurance data for six unregulated contaminants measured in source and finished drinking-water samples collected from public water supply facilities throughout Minnesota by using ELISA and MS-based analytical methods
Department of the Interior —
The U.S. Geological Survey, in cooperation with the Minnesota Department of Health, conducted a study to determine the occurrence of six unregulated contaminants in... -
Federal
Chemicals of Emerging Concern and Fish Biological Endpoints Data Collected From Select Tributaries of the St. Croix River, Minnesota and Wisconsin, 2011-12
Department of the Interior —
The occurrence of chemicals of emerging concern (CECs) and potential effects to aquatic biota in select tributaries of the St. Croix River in Minnesota and Wisconsin... -
Federal
Chemical Data From 40 Years of Monitoring a Treated-Wastewater Groundwater Plume in a Sand and Gravel Aquifer, Cape Cod, Massachusetts, 1978-2018 (ver. 1.1, April 2025)
Department of the Interior —
This U.S. Geological Survey data release provides a comprehensive dataset of water-quality data and sampling-site characteristics collected in 1978โ2018 during a... -
Federal
Antibiotic and Antibiotic Resistance Signatures in Iowa Streams, 2019
Department of the Interior —
Chemical and microbiological results, quality assurance and quality control, site location, and method information for surface water, bed sediment, and wastewater... -
Federal
Estimates of discharge from wastewater treatment plants for 1,518 U.S. Geological Survey study watersheds, 1978 through 2012
Department of the Interior —
This product consists of a table of annual discharge estimates in millions of gallons per day from wastewater treatment plants (WWTPs) for 1,518 watersheds in the... -
Federal
Daily potable water deliveries and effluent discharge by Colorado Springs Utilities: 2008โ22
Department of the Interior —
This data release includes data provided by Colorado Springs Utilities to the U.S. Geological Survey. Two types of data are included here. First are daily average... -
Federal
Water level data from vertical French drains in South Miami Heights, Florida: August to October 2017 and February 2019 to February 2021
Department of the Interior —
In the South Miami Heights area of Miam-Dade County, vertical French drains (VFDs) are drainage structures that collect and promote infiltration of runoff from... -
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
Occurrence of per- and polyfluoroalkyl substances, Long Island and New York City, New York
Department of the Interior —
State and local county health departments have detected per- and polyfluoroalkyl substances (PFAS) in groundwater downgradient of airports and military and... -
Federal
Shenandoah River Accumulated Wastewater Ratio (Version 2.0)
Department of the Interior —
Incedental wastewater reuse from streams that receive discharges from Wastewater Treatment Facilities (WWTF) has the potential to be a significant contributor of... -
Federal
Environmental and Quality-Control Data for Per- and Polyfluoroalkyl Substances (PFAS) Measured in Selected Rivers and Streams in Massachusetts, 2020 (ver. 2.0, May 2023)
Department of the Interior —
This data release includes concentrations of 24 per- and polyfluoroalkyl substances (PFAS) and physical properties of water-quality samples collected by the U.S.... -
Federal
Synthetic Organic Compounds in Water in Lake Mead National Recreation Area near Las Vegas, Nevada
Department of the Interior —
This dataset presents the results of passive water sampling conducted at 2 sites in 2013 and 3 sites in 2014 in Lake Mead National Recreational Area. Polar Organic... -
Federal
Contaminant Data from a Survey of Minnesota Source and Finished Drinking Waters, 2019 -2022
Department of the Interior —
The U.S. Geological Survey, in cooperation with the Minnesota Department of Health, conducted a study to determine the occurrence of unregulated contaminants in... -
Federal
Wastewater Treatment Plant Total Phosphorus Flux Load Estimates Red River of the North Basin
Department of the Interior —
The dataset contains estimates for total phosphorus flux from wastewater treatment plants that discharge to surface water within the Red River of the North Basin in... -
Federal
RSPARROW Modeling Tool used to Estimate Total Nitrogen Sources to Streams and Evaluate Source Reduction Management Scenarios in the Grande Basin, Brazil
Department of the Interior —
The data release documents the development of a hybrid (statistical-mechanistic) SPARROW (SPAtially Referenced Regression On Watershed attributes) model of long-term...