-
Federal
Great Lakes Environmental Database (GLENDA)
U.S. Environmental Protection Agency —
The Great Lakes Environmental Database (GLENDA) houses environmental data collected by EPA Great Lakes National Program Office (GLNPO) programs that sample water,... -
Federal
Fema/CRSI Risk Index
U.S. Environmental Protection Agency —
Comparison of FEMA and CRSI Risk assessment indices and how to convert from one to the other. Portions of this dataset are inaccessible because: Part of FEMA and not... -
Federal
EnviroAtlas - Rare Ecosystems in the Conterminous United States
U.S. Environmental Protection Agency —
This EnviroAtlas dataset identifies rare ecosystems using base landcover data from the USGS GAP Analysis Program (Version 2, 2011) combined with landscape ecology... -
Federal
EnviroAtlas - Estimated floodplain map for the Conterminous United States
U.S. Environmental Protection Agency —
Understanding the relationship between flood inundation and floodplains is critical for ecosystem and community health and well-being, as well as targeting floodplain... -
Federal
The StreamCat Dataset: Accumulated Attributes for NHDPlusV2 (Version 2.1) Catchments for the Conterminous United States: National Anthropogenic Barrier Dataset (NABD)
U.S. Environmental Protection Agency —
This dataset represents the dam density and storage volumes within individual, local NHDPlusV2 catchments and upstream, contributing watersheds based on the National... -
Federal
Estimated floodplain map for the conterminous United States
U.S. Environmental Protection Agency —
Understanding the relationship between flood inundation and floodplains is critical for ecosystem and community health and well-being, as well as targeting floodplain... -
Federal
National Water Quality Data
U.S. Environmental Protection Agency —
Water quality data. This dataset is associated with the following publication: Papenfus, M., B. Schaeffer, A. Pollard, and K. Loftin. Exploring the potential value of... -
Federal
Sewage No-Discharge Zone (NDZ) locations, EPA HQ, OWOW
U.S. Environmental Protection Agency —
This geospatial dataset depicts sewage no-discharge zones established under Clean Water Act Section 312. The areas depicted are zones where the discharge of any... -
Federal
Nantucket (Massachusetts) sewage no-discharge zone, 1992, EPA HQ OWOW
U.S. Environmental Protection Agency —
This dataset details No Discharge Zones (NDZ) for Nantucket, MA. Boaters may not discharge waste into these areas. Boundaries were determined mostly by Federal... -
Federal
Hydrologic data compilation from headwater stream case studies for open access
U.S. Environmental Protection Agency —
Drying has a major impact on pattern and process in streams, particularly in small or headwater streams. Such streams that dry recurrently are called non-perennial... -
Federal
Water Contaminant Information Tool
U.S. Environmental Protection Agency —
The Water Contaminant Information Tool (WCIT) is a secure, on-line database that provides current, reliable information on chemical, biological, and radiological... -
Federal
Herring Bay (Maryland) sewage no-discharge zone, 2002, EPA HQ OWOW
U.S. Environmental Protection Agency —
This geospatial dataset depicts a sewage no-discharge zone established under Clean Water Act Section 312. The area(s) depicted are zones where the discharge of any... -
Federal
Michigan State Waters sewage no-discharge zone, 1976, EPA HQ OWOW
U.S. Environmental Protection Agency —
This geospatial dataset depicts a sewage no-discharge zone established under Clean Water Act Section 312. The area(s) depicted are zones where the discharge of any... -
Federal
Global_NonFloodplain_Wetlands
U.S. Environmental Protection Agency —
Here, we provide the first global geodatabase of non-floodplain wetlands. We incorporate the recent development of a high-resolution global floodplain mapping... -
Federal
EnviroAtlas - National Biodiversity Ecosystem Services Metrics by 12-digit HUC for the Conterminous United States
U.S. Environmental Protection Agency —
This EnviroAtlas dataset contains species richness metrics based on habitat models generated by the U.S. Geological Survey (USGS) National Gap Analysis Project (GAP).... -
Federal
EnviroAtlas - Reptile Biodiversity Ecosystem Services Metrics by 12-digit HUC for the Conterminous United States
U.S. Environmental Protection Agency —
This EnviroAtlas dataset contains biodiversity metrics reflecting ecosystem services or other aspects of biodiversity for reptile species, based on the number of... -
Federal
California Marine Waters sewage no-discharge zone, 2012, EPA HQ OWOW
U.S. Environmental Protection Agency —
This geospatial dataset depicts a sewage no-discharge zone established under Clean Water Act Section 312. The area(s) depicted are zones where the discharge of any... -
Federal
Lane_etal_WhatRemains
U.S. Environmental Protection Agency —
Clean Water Act (CWA) coverage extends to certain wetlands, including those with a continuous surface connection to relatively permanent tributaries. However, limited... -
Federal
Developmental toxicity of PFO4DA and PFO5DoA assessed using hepatic transcriptomics and serum metabolomics
U.S. Environmental Protection Agency —
Production of per- and polyfluoroalkyl substances (PFAS) has shifted from long-chain perfluoroalkyl acids to short-chain compounds and those with ether bonds in the...