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Federal
2013 EPA Vessels General Permit (VGP)
U.S. Environmental Protection Agency —
Information for any vessel that submitted a Notice of Intent (NOI), Notice of Termination (NOT), or annual report under EPA's 2013 Vessel General Permit (VGP). Search... -
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
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
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
Effects-based monitoring of bioactive compounds associated with municipal wastewater treatment plant effluent discharge to the South Platte River, Colorado, USA
U.S. Environmental Protection Agency —
The datafile contains data associated with analytical chemistry, fish gene expression, in vitro bioassays, chemical prioritization, and Attagene data for surface... -
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
State National Pollutant Discharge Elimination System (NPDES) Program Withdrawal Petitions
U.S. Environmental Protection Agency —
Search for pending and resolved NPDES withdrawal petitions by state, region, date, or keyword. "Pending" means EPA has received the petition and is working with the... -
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
Waste to Biogas Points, Region 9, 2014, US EPA Region 9
U.S. Environmental Protection Agency —
This dataset contains: California Dairies, Food Processing Facilities, Wastewater treatment facilities with digesters (AZ, NV, HI, CA), California Landfills,... -
Federal
Benthic sediment data from eleven stations in the Mobile-Tensaw River Delta, Alabama on 1981-06-17 (NCEI Accession 0118497)
National Oceanic and Atmospheric Administration, Department of Commerce —
Benthic sediment samples were collected from eleven stations in the Mobile-Tensaw River Delta on 17 June 1981. Samples were analyzed for particle size distribution... -
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
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
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
Bacterial diversity and predicted enzymatic function in a multipurpose surface water system โ from wastewater effluent discharges to drinking water production
U.S. Environmental Protection Agency —
All OTUs (operational taxonomic units) raw sequences 2. Bacterial taxonomic structures at class and phylum level 3. Analytical data generated by multiple... -
Federal
Non-target chemical features found in: De facto water reuse - Investigating the fate and transport of chemicals of emerging concern from wastewater discharge through drinking water treatment using non-targeted analysis and suspect screening
U.S. Environmental Protection Agency —
A full list of non-target chemical features found in the study "De facto water reuse - Investigating the fate and transport of chemicals of emerging concern from... -
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
EPA Enforcement and Compliance History Online: Water Effluent Charts Downloads
U.S. Environmental Protection Agency —
Detailed Discharge Monitoring Report (DMR) data supporting effluent charts for one Clean Water Act discharge permit. Includes effluent parameters, amounts discharged... -
Federal
EnviroAtlas - 2011 EPA Discharge Monitoring Report Watershed Statistics by 12-digit HUC for the Conterminous United States
U.S. Environmental Protection Agency —
This EnviroAtlas dataset includes a number of Discharge Monitoring Report (DMR) metrics summarized by watershed for a given year (https://echo.epa.gov/help/loading-...