Skip to main content
U.S. flag

An official website of the United States government

Here’s how you know

Dot gov

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

HTTPS

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

    • Environmental Topics
    • Air
    • Bed Bugs
    • Cancer
    • Chemicals, Toxics, and Pesticide
    • Emergency Response
    • Environmental Information by Location
    • Health
    • Land, Waste, and Cleanup
    • Lead
    • Mold
    • Radon
    • Research
    • Science Topics
    • Water Topics
    • A-Z Topic Index
    • Laws & Regulations
    • By Business Sector
    • By Topic
    • Compliance
    • Enforcement
    • Laws and Executive Orders
    • Regulations
    • Report a Violation
    • Environmental Violations
    • Fraud, Waste or Abuse
    • About EPA
    • Our Mission and What We Do
    • Headquarters Offices
    • Regional Offices
    • Labs and Research Centers
    • Planning, Budget, and Results
    • Organization Chart
    • EPA History

Breadcrumb

  1. Home
  2. NPDES Permits Around the Nation

NPDES Permit for City of Nezperce Wastewater Treatment Plant in Idaho

Related Information
  • Enforcement and Compliance Online (ECHO) Detailed Facility Report
  • NPDES permits in Idaho

Below is EPA's National Pollutant Discharge Elimination System (NPDES) permit for the City of Nezperce Wastewater Treatment Plant on the Nez Perce Reservation in Idaho.

  • Permit number: ID0020397
  • Effective date: August 1, 2019
  • Modified: June 1, 2020
  • Permit expires: July 31, 2024 (administratively continued)

  • NPDES Permit, City of Nezperce, Idaho, #ID0020397 (pdf) (379.36 KB, April 1, 2020)
    Modified final wastewater permit.
  • 2020 Statement of Basis for Permit Modification, City of Nezperce, Idaho, #ID0020397 (pdf) (35.22 KB, February 2020)
    Technical basis for 2020 permit modification.
  • 2019 Statement of Basis for Revised Draft NPDES Permit, City of Nezperce, Idaho, #ID0020397 (pdf) (235.41 KB, March 2019)
    Technical basis for revisions to 2018 draft permit.
  • 2018 NPDES Permit Fact Sheet, City of Nezperce, Idaho, #ID0020397 (pdf) (595.09 KB, January 2018)
    Technical basis for 2018 draft permit.
  • 2020 Response to Comments on Draft NPDES Permit for City of Nezperce, Idaho, #ID0020397 (pdf) (20.12 KB, April 2020)
    EPA's responses to public comments on the February 2020 draft permit modification.
  • 2019 Response to Comments on Draft NPDES Permit for City of Nezperce, Idaho, #ID0020397 (pdf) (71.24 KB, June 2019)
    EPA's responses to public comments on the January 2018 and March 2019 draft permits.
Contact Us to ask a question, provide feedback, or report a problem.
Last updated on May 9, 2025
  • Assistance
  • Spanish
  • Arabic
  • Chinese (simplified)
  • Chinese (traditional)
  • French
  • Haitian Creole
  • Korean
  • Portuguese
  • Russian
  • Tagalog
  • Vietnamese
United States Environmental Protection Agency

Discover.

  • Accessibility Statement
  • Budget & Performance
  • Contracting
  • EPA www Web Snapshot
  • Grants
  • No FEAR Act Data
  • Plain Writing
  • Privacy
  • Privacy and Security Notice

Connect.

  • Data
  • Inspector General
  • Jobs
  • Newsroom
  • Regulations.gov
  • Subscribe
  • USA.gov
  • White House

Ask.

  • Contact EPA
  • EPA Disclaimers
  • Hotlines
  • FOIA Requests
  • Frequent Questions
  • Site Feedback

Follow.