Found 1515 datasets matching filters.
-
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: 113 | Published on: 2025-08-03 -
This data set represents the extent, approximate location and type of wetlands and deepwater habitats in the United States and its Territories. These data delineate the areal extent of wetlands...
Search relevance: 1.00 | Views last month: 54 | Published on: 2025-08-08 -
The California Water Quality Status Report is an annual data-driven snapshot of the Water Board’s water quality and ecosystem data. This third edition of the report is organized around the...
Search relevance: 1.00 | Views last month: 44 | Published on: 2025-07-29 -
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 | Published on: 2025-08-02 -
A radar water level sensor (Campbell Scientific ® CS475A-L) was installed on the water intake tower of Lake Carl Blackwell, Payne County, Oklahoma (36.1351 N, 97.2195 W) to automate monitoring of...
Search relevance: 1.00 | Views last month: 18 | Published on: 2026-01-27 -
The Office of Water Linked Data (OWLD) dataset stores EPA Water program information indexed to several National Hydrography Dataset frameworks. Indexing may be accomplished by catchment, reach or...
Search relevance: 1.00 | Views last month: 15 | Published on: 2025-07-31 -
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: 14 | Published on: 2026-03-03 -
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: 13 | Published on: 2026-01-27 -
Beach Advisory and Closing Online Notification system (BEACON) is a colletion of state and local data reported to EPA about beach closings and advisories. BEACON is the public-facing query of the...
Search relevance: 1.00 | Views last month: 12 | Published on: 2025-07-31 -
DARTER is EPA's system to manage its workflow in the Clean Water Act Section 404 permit program. Section 404 requires a permit from the U.S. Army Corps of Engineers, or EPA-approved State, for the...
Search relevance: 1.00 | Views last month: 11 | Published on: 2025-07-31 -
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: 9 | Published on: 2025-08-02 -
Vertical electrical soundings (VES) are used to develop depth-resolved models of aquifer resistivity by making electrical potential measurements at increasingly larger electrode spacing, with the...
Search relevance: 1.00 | Views last month: 9 | Published on: 2026-03-03 -
The High Resolution National Hydrography Dataset Plus (NHDPlus HR) is an integrated datset of geospatial data layers, including the most current National Hydrography Dataset (NHD),...
Search relevance: 1.00 | Views last month: 8 | Published on: 2026-03-03 -
This data set represents the extent, approximate location and type of wetlands and deepwater habitats in the United States and its Territories. These data delineate the areal extent of wetlands...
Search relevance: 1.00 | Views last month: 8 | Published on: 2026-01-27 -
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: 8 | Published on: 2025-07-31 -
This data set consists of a detailed digital map of individual irrigated fields and a summary of the irrigated acreage for the 2017 growing season developed for Collier County, Florida. Selected...
Search relevance: 1.00 | Views last month: 6 | Published on: 2026-03-03 -
This digital dataset contains the monthly inflows to the surface water network in the updated Central Valley Hydrologic Model (CVHM2) for water years 1922-2019. The surface water inflows are...
Search relevance: 1.00 | Views last month: 5 | Published on: 2026-03-03 -
Throughout the world, freshwater ecosystems are considered to be among the most vulnerable systems. In the isolated Pacific islands, there are a relatively small number of native freshwater...
Search relevance: 1.00 | Views last month: 5 | Published on: 2026-01-25 -
This data provides results from the [California Environmental Data Exchange Network](https://ceden.org/) (CEDEN) for field and lab chemistry analyses. The data set contains two provisionally...
Search relevance: 1.00 | Views last month: 5 | Published on: 2026-02-26 -
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: 4 | Published on: 2026-01-27
