Drinking Water Compliance OS

Nespelem, 10

Inchelium Townsite Water System

Inactive system

This water system is marked inactive in EPA’s federal records as of May 5, 2006. It is no longer an operating public water system under this PWSID, and no compliance deadlines — including the 2027 Consumer Confidence Report rule — apply to it.

If you are a resident looking for your current water provider, see water systems in 10.

Data sourced from the EPA ECHO database (SDWA bulk download), last refreshed July 4, 2026. This is a record-keeping and public-information tool — it does not replace EPA Region 10’s official records. Always confirm current status with EPA Region 10 before making decisions based on this information.

System facts

System ID (PWSID)
105300005
System type
Community Water System
Population served
210
Service connections
128
Ownership
Native American tribal
Water source
groundwater (wells)

Violation history

  • Monitoring, Routine Major (TCR)

    Coliform (TCR)

    June 1, 2001 – June 30, 2001

    Archived
  • Monitoring, Routine Major (TCR)

    Coliform (TCR)

    September 1, 2000 – September 30, 2000

    Archived
  • Monitoring, Routine Major (TCR)

    Coliform (TCR)

    August 1, 2000 – August 31, 2000

    Archived
  • Maximum Contaminant Level Violation, Monthly (TCR)

    Health-based

    Coliform (TCR)

    August 10, 1999 – September 9, 1999

    Archived
  • Monitoring, Regular

    Antimony, Total

    January 1, 1999 – December 31, 2001

    Resolved
  • Monitoring, Routine Major (TCR)

    Coliform (TCR)

    April 1, 1994 – April 30, 1994

    Archived
  • Monitoring, Routine Major (TCR)

    Coliform (TCR)

    December 1, 1993 – December 31, 1993

    Archived
  • Monitoring, Regular

    Cadmium

    June 24, 1979 – June 23, 1980

    Archived
  • Monitoring, Regular

    Chromium

    June 24, 1979 – June 23, 1980

    Archived
  • Monitoring, Regular

    Fluoride

    June 24, 1979 – June 23, 1980

    Archived
  • Monitoring, Regular

    Mercury

    June 24, 1979 – June 23, 1980

    Archived
  • Monitoring, Regular

    Nitrate

    June 24, 1979 – June 23, 1980

    Archived
  • Monitoring, Regular

    Selenium

    June 24, 1979 – June 23, 1980

    Archived
  • Monitoring, Regular

    Barium

    June 24, 1979 – June 23, 1980

    Archived
  • Monitoring, Regular

    Gross Alpha, Excl. Radon and U

    June 1, 1976 – May 31, 1980

    Archived

Archived closed in EPA's records (typically due to age or a data correction)Resolved addressed and confirmed by the state

Enforcement actions

Last known contact on file (system is inactive)

Colville Confederated Tribes

509-634-2139

Nespelem, WA 99155