We've made some changes to EPA.gov. If the information you are looking for is not here, you may be able to find it on the EPA Web Archive or the January 19, 2017 Web Snapshot.

National Pollutant Discharge Elimination System (NPDES)

EPA/USDA Water Quality Trading Partnership Agreement

The document details an agreement between EPA and the U.S. Department of Agriculture, Natural Resources Conservation Service, on collaboration efforts to establish viable water quality credit trading markets.

Press Release (December 3, 2013) - USDA, EPA Partnership Supports Water Quality Trading To Benefit Environment, Economy

You may need Adobe Reader to view files on this page. See EPA’s About PDF page to learn more.