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 the Lapwai Regional Wastewater Treatment Plant in Idaho

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

Permit number: ID0028347
Effective date: November 1, 2019
Permit expires: October 31, 2024

NPDES Permit, Lapwai Regional Wastewater Treatment Plant, Idaho, #ID0028347 (pdf) (213.24 KB, September 25, 2019)
Final wastewater discharge permit.
NPDES Permit Fact Sheet, Lapwai Regional Wastewater Treatment Plant, Idaho, #ID0028347 (pdf) (886.6 KB, June 2019)
Technical basis for permit.
Response to Comments on Draft NPDES Permit for Lapwai Regional Wastewater Treatment Plant, Idaho, #ID0028347 (pdf) (148.97 KB, September 2019)
EPA's responses to public comments on the June 2019 draft permit.