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NPDES Permit for Ahsahka Water and Sewer District Wastewater Treatment Plant in Idaho

Below are EPA's National Pollutant Discharge Elimination System (NPDES) final permit and supporting documents for the Ahsahka Waste and Sewer District wastewater treatment plant located on the Nez Perce Reservation of the Nez Perce Tribe of Indians in Idaho.

Permit number: ID0025224
Effective date: March 1, 2021
Permit expires: February 28, 2026

NPDES Permit, Ahsahka Water and Sewer District, #ID0025224 (pdf) (461.3 KB, January 20, 2021)
Final wastewater permit.
NPDES Permit Fact Sheet, Ahsahka Water and Sewer District, #ID0025224 (pdf) (921.38 KB, October 2020)
Technical basis for permit.