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Envirofacts CSV
EPA-collected information about facilities or sites subject to environmental regulation. Data-set is a national level CSV file containing key information of all facilities and... -
Envirofacts KML
EPA Regional data downloads in KML format (.kmz) -- 10 US regions Information about facilities or sites subject to environmental regulation. Envirofacts integrates information... -
SPARROW Surface Water-Quality Modeling
A modeling tool for the regional interpretation of water-quality monitoring data. Internet Archive URL: https://web.archive.org/web/2017*/http://water.usgs.gov/nawqa/sparrow
