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.

NPDES Permit for Phoenix Production Company – Rolff Lake Unit in Wyoming

Under National Pollutant Discharge Elimination System permit number WY-002494, Phoenix Production Company is authorized to discharge from its Rolff Lake Unit wastewater treatment facility in Fremont County, Wyoming, to an unnamed ephemeral tributary of Dry (Pasup) Creek, which is tributary to the Wind River.

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