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.

Emergency

This is not the current EPA website. To navigate to the current EPA website, please go to www.epa.gov. This website is historical material reflecting the EPA website as it existed on January 19, 2025. This website is no longer updated and links to external websites and some internal pages may not work. More information »

    • Environmental Topics
    • Air
    • Bed Bugs
    • Cancer
    • Chemicals, Toxics, and Pesticide
    • Climate Change
    • Emergency Response
    • Environmental Information by Location
    • Environmental Justice
    • Greener Living
    • 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
    • Staff Directory

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 for Nezperce WWTP
  • NPDES permits in Idaho

Below are EPA's National Pollutant Discharge Elimination System (NPDES) permit and supporting documents 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

  • 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 About NPDES Permits Around the Nation to ask a question, provide feedback, or report a problem.
Last updated on May 10, 2024
  • Assistance
  • Ayuda
  • Arabic
  • Chinese (simplified)
  • Chinese (traditional)
  • Aide
  • Asistans
  • Korean
  • Assistência
  • Russian
  • Tulong
  • 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

Follow.