-
AirCompare
AirCompare contains air quality information that allows a user to compare conditions in different localities over time and compare conditions in the same location at different... -
Dataset Development and Application of a United States wide correction for PM2.5 data collected with the PurpleAir sensor
A dataset of 24-hr averaged PurpleAir data collocated at government monitoring sites. Used to write a paper in atmospheric measurement techniques. -
Consent Decrees
EPAs Office of Enforcement and Compliance Assurance (OECA) cases and settlements webpage contains links to selected settlements resolving civil enforcement cases and, in some... -
Dataset and Dictionary for WV Tanks Paper
The dataset contains the data found in the figures of the paper "Methane Emissions from Oil and Gas Production Sites and Their Storage Tanks in West Virginia", along with a data... -
EnviroAtlas - Cattle Operations by County
This EnviroAtlas dataset summarizes by county the number of farm operations with cattle and the number of heads they manage. The data come from the Census of Agriculture, which... -
Commercial Phosphorus Fertilizer Purchased
Amounts of fertilizer P2O5 purchased by states in individual years 2003, 2005, 2007, 2009 and 2011, and the % change in average amounts purchased per year from 2002-2006 to... -
EnviroAtlas - Baltimore, MD - Meter-Scale Urban Land Cover (MULC) Data
The Baltimore, MD EnviroAtlas Meter-scale Urban Land Cover (MULC) dataset comprises 4,545 km2 around the city of Baltimore and portions of surrounding counties. These MULC data... -
EnviroAtlas Proximity to Parks Web Service
This EnviroAtlas web service supports research and online mapping activities related to EnviroAtlas (https://www.epa.gov/enviroatlas). This EnviroAtlas dataset shows the... -
Water column toxicity of several DDT congeners to Hyalella azteca, and its implications for contaminated sediment assessment
This dataset is associated with an article submitted for publication in a peer reviewed journal titled "Water column toxicity of several DDT congeners to Hyalella azteca, and... -
COMPLY Grantee Compliance Database
The Grantee Compliance Database Comply App is a comprehensive database for summarizing a wide range of grant recipient related activities. In addition to providing an overview... -
EnviroAtlas - Native Freshwater Aquatic Biodiversity by 12-digit HUC for the Conterminous United States
This EnviroAtlas dataset describes the native freshwater aquatic biodiversity by 12-digit HUC (subwatershed) for the conterminous United States. It includes amphibians, fish,... -
EnviroAtlas - Major Grains and Cotton by 12-digit HUC for the Conterminous United States
This EnviroAtlas dataset shows the number of major grains grown, yield in tons, and area in hectares for several major grains and for cotton by 12-digit Hydrologic Unit (HUC).... -
High Production Volume Information System (HPVIS)
The High Production Volume Information System (HPVIS) provides access to select health and environmental effect information on chemicals that are manufactured in exceptionally... -
Omaha Property Values and GI
In Omaha, NE, more than 25 GI projects have been completed to date, with several featuring GI practices in public parks. Using a repeat sales model , we examined the effect of... -
Change in Permafrost Temperatures in Alaska, 1978-2023
This map shows the change in permafrost temperature per decade for long-term borehole sites in Alaska. As the circles get larger, the rate of warming per decade increases. The... -
1987-2018 cyanobacteria and water quality data for 20 reservoirs
These data include cyanobacteria cell densities (including maximum cell densities observed for each year in each reservoir), annual summer (June-August) precipitation, nutrient... -
Heating and Cooling Degree Day by State, 1960–2023 Versus 1895–1959
This indicator shows how heating and cooling degree days have changed by state, based on a comparison of the first 65 years of available data (1895–1959) with the most recent 64... -
EnviroAtlas -- Cyanobacteria Index for the Continental United States
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... -
EPA Facility Registry Service (FRS): ACRES
This web feature service consists of location and facility identification information from EPA's Facility Registry Service (FRS) for the subset of sites that link to the... -
Ambient Air Quality Data Inventory
The Office of Air and Radiation's (OAR) Ambient Air Quality Data (Current) contains ambient air pollution data collected by EPA, other federal agencies, as well as state, local,...
Official websites use .gov
A
.gov website belongs to an official government
organization in the United States.
Secure .gov websites use HTTPS
A
lock (
) or https:// means you’ve safely connected to
the .gov website. Share sensitive information only on official,
secure websites.