StreamCat

The StreamCat Dataset provides summaries of natural and anthropogenic landscape features for ~2.65 million streams, and their associated catchments, within the conterminous USA.

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Wastewater Treatment Plants

D&B 20101220 Wastewater Treatment Plants Points for the United States, including Puerto Rico and the US Virgin Islands, Canada, and Mexico, Released Quarterly including feature types for NAICS 22132 – “Sewage Treatment Facilities” and all child NAICS code…

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TSCA Inventory

This dataset consists of the non confidential identities of chemical substances submitted under the Toxic Substances Control Act (TSCA). TSCA was enacted to ensure that chemicals manufactured, imported, processed, or distributed in commerce, or used …

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Air Quality System (AQS)

The Air Quality System (AQS) database contains measurements of air pollutant concentrations from throughout the United States and its territories. The measurements include both criteria air pollutants and hazardous air pollutants.

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