Search datasets
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ECHO provides integrated compliance and enforcement information for about 800,000 regulated facilities nationwide. Its features range from simple to advanced, catering to users who want to conduct...
Search relevance: 1.00 | Views last month: 133 | Catalog Last Checked: September 22, 2026 at 08:01 PM -
This dataset shows the temporal frequency and spatial extent of cyanobacteria cells in large, freshwater lakes and reservoirs across the continental United States derived from 300x300 meter MEdium...
Search relevance: 1.00 | Views last month: 89 | Catalog Last Checked: August 03, 2026 at 04:16 AM -
This GIS dataset contains data on wastewater treatment plants, based on EPA's Facility Registry Service (FRS) and NPDES, along with Clean Watersheds Needs Survey (CWNS) and other data sources.
Search relevance: 1.00 | Views last month: 67 | Catalog Last Checked: August 03, 2026 at 04:43 AM -
The Great Lakes Environmental Database (GLENDA) houses environmental data collected by EPA Great Lakes National Program Office (GLNPO) programs that sample water, aquatic life, sediments, and air...
Search relevance: 1.00 | Views last month: 58 | Catalog Last Checked: September 10, 2026 at 07:11 PM -
The National Hydrography Dataset (NHD) is a feature-based database that interconnects and uniquely identifies the stream segments or reaches that make up the nation's surface water drainage...
Search relevance: 1.00 | Views last month: 49 | Catalog Last Checked: September 10, 2026 at 09:17 PM -
A database where EPA has compiled data on public drinking water systems and whether they have certain drinking water violations. This data is collected by the states and given to the EPA. This...
Search relevance: 1.00 | Views last month: 31 | Catalog Last Checked: September 10, 2026 at 06:54 PM -
This GIS dataset contains data on wastewater treatment plants, based on EPA's Facility Registry Service (FRS) and NPDES, along with Clean Watersheds Needs Survey (CWNS) and other data sources.
Search relevance: 1.00 | Views last month: 27 | Catalog Last Checked: September 21, 2026 at 07:54 PM -
This EnviroAtlas web service supports research and online mapping activities related to EnviroAtlas (https://www.epa.gov/enviroatlas). This EnviroAtlas dataset describes the percentage of a 15-m...
Search relevance: 1.00 | Views last month: 20 | Catalog Last Checked: May 06, 2026 at 12:20 AM -
Monthly raw water quality data on alkalinity, hardness, TDS, Turbidity, TOC, pH, and temperature. This dataset is associated with the following publication: Levine, A., J. Yang , and J....
Search relevance: 1.00 | Views last month: 20 | Catalog Last Checked: September 10, 2026 at 06:58 PM -
This repository contains data supporting the publication, "Detection of viral, bacterial, and protozoan pathogens and microbial source tracking markers in paired large- and small-volume water...
Search relevance: 1.00 | Views last month: 15 | Catalog Last Checked: September 10, 2026 at 07:48 PM -
Understanding the relationship between flood inundation and floodplains is critical for ecosystem and community health and well-being, as well as targeting floodplain and riparian restoration....
Search relevance: 1.00 | Views last month: 15 | Catalog Last Checked: August 03, 2026 at 04:18 AM -
This data provides results from the [California Environmental Data Exchange Network](https://ceden.waterboards.ca.gov) (CEDEN) for field and lab chemistry analyses. The data set contains two...
Search relevance: 1.00 | Views last month: 14 | Catalog Last Checked: September 10, 2026 at 06:10 PM -
Continuous water temperature data were collected at multiple sites along the Middle Fork and mainstem Willamette Rivers between Jasper and Newberg, Oregon, to support effectiveness monitoring for...
Search relevance: 1.00 | Views last month: 13 | Catalog Last Checked: September 10, 2026 at 09:36 PM -
The U.S. Energy Information Administration (EIA) collects water cooling data for the electric power industry in the United States. This submission includes annual data from 2014 to 2019. Each...
Search relevance: 1.00 | Views last month: 13 | Catalog Last Checked: September 10, 2026 at 05:47 PM -
Continuous water-temperature data were collected at multiple sites along the Middle Fork and mainstem Willamette Rivers between Jasper and Newberg, Oregon, to support effectiveness monitoring for...
Search relevance: 1.00 | Views last month: 12 | Catalog Last Checked: September 10, 2026 at 10:35 PM -
See full Data Guide here. Surface Water Quality Classifications Set: This dataset is a line and a polygon feature-based layer compiled at 1:24,000 scale that includes water quality...
Search relevance: 1.00 | Views last month: 12 | Catalog Last Checked: September 10, 2026 at 06:39 PM -
Enforcement and Compliance Information Center - ECIC is a repository of external policy and guidance documents, links to cases and settlements, civil and criminal complaints that are reviewed by...
Search relevance: 1.00 | Views last month: 11 | Catalog Last Checked: September 10, 2026 at 07:10 PM -
This web feature service contains location and facility identification information from EPA's Facility Registry Service (FRS) for the subset of facilities that link to the the National Pollutant...
Search relevance: 1.00 | Views last month: 11 | Catalog Last Checked: September 21, 2026 at 07:54 PM -
These are genetic data collected from over 700 individual coho salmon (Oncorhynchus kisutch) from 17 streams and rivers within Glacier Bay Alaska and 2 rivers outside the bay. Data collected from...
Search relevance: 1.00 | Views last month: 10 | Catalog Last Checked: September 10, 2026 at 08:24 PM -
To accurately estimate agricultural water use or to project future water demands, a detailed inventory of current irrigated crop acreage is needed at a high level of resolution. In many Florida...
Search relevance: 1.00 | Views last month: 10 | Catalog Last Checked: September 10, 2026 at 08:57 PM
