An official website of the United States government.

We've made some changes to 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.

Office of Inspector General

Report: EPA Needs to Accelerate Adoption of Numeric Nutrient Water Quality Standards

Report #09-P-0223August 26, 2009

What We Found

EPA’s 1998 National Strategy and Plan to promote State adoption of nutrient water quality standards (which better protect aquatic life and human health) has been ineffective.

Report Materials

You may need a PDF reader to view some of the files on this page. See EPA’s About PDF page to learn more.