Official websites use .gov
A .gov website belongs to an official government organization in the United States.

Secure .gov websites use HTTPS
A lock () or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.

JavaScript appears to be disabled on this computer. Please click here to see any active alerts.

NPDES Permit for City of Orofino Wastewater Treatment Plant in Idaho

Below are EPA's National Pollutant Discharge Elimination System (NPDES) final permit and supporting documents for City of Orofino Wastewater Treatment Plant located on the Nez Perce Reservation in Idaho.

Permit number: ID0020150
Effective date: February 1, 2022
Permit expires: January 31, 2027

NPDES Permit, City of Orofino Wastewater Treatment Plant in Idaho, #ID0020150 (pdf) (282.78 KB, November 29, 2021)
Final wastewater permit.
NPDES Permit Fact Sheet, City of Orofino Wastewater Treatment Plant, Idaho, #ID0020150 (pdf) (852.5 KB, March 2021)
Response to Comments on Draft NPDES Permit for City of Orofino Wastewater Treatment Plant in Idaho, #ID0020150 (pdf) (155.07 KB, November 2021)
EPA's responses to public comments on the March 2021 draft permit.