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Explore our most popular datasets and API's
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Below are a number of tools that have been developed using EPA's Data and API's
El Paso Widget for Enviromapper
The El Paso widget allows an application to view multiple aerial images (and StreetView) to add context to any map. It is the first GeoPlatform compliant widget made available in EPA’s GitHub.
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Indian Country Leaking Underground Storage Tanks (LUST) App
This interactive mapping system displays Leaking UST sites in EPA Region 9 Indian Country (both active and closed cleanup cases). Popup windows for each site contain location information, facility status, release dates, case closure dates (if applicable), and links to No Further Action letters (if applicable).
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San Francisco Bay Water Quality Improvement Fund Projects Map
This web map shows the locations and descriptions of projects funded by the EPA San Francisco Bay Water Quality Improvement Fund as well as water quality impairments around the Bay. It also shows large watershed boundaries and major rivers and creeks.
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Cleaner Air, Cleaner Bay by Chesapeake Bay Program
Actions by the U.S. Environmental Protection Agency (EPA) and its state partners have led to significant reductions in airborne nitrogen, a major source of pollution that impacts the land and water in and around the Chesapeake Bay. Ecological health studies of the Bay have helped identify air pollution, specifically from nitrogen oxide (NOx) and ammonia […]
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OAQPS Interactive Story Maps around Ground – Level Ozone Standard
On October 1, 2015, the U.S. Environmental Protection Agency strengthened the National Ambient Air Quality Standards for ground-level ozone to 70 parts per billion, based on extensive scientific evidence about ozone’s effects on public health and welfare. The updated standards will improve public health protection, particularly for at-risk groups including children, older adults, people of […]
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OW Urban Waters Small Grants Mapping Application
This map shows Urban Water Small Grant Eligible Geographic Areas. The Eligible Geographic Areas are based on the U.S. Census-defined Urbanized Areas and the 12-digit hydrologic unit code system (HUC-12) that defines the watershed. The HUC system is a national standard watershed system based on surface hydrologic features and delineated by the U.S. Geological Survey.
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