Drinking Water Compliance OS

KALISPELL, MT · Flathead County

AP WILLIAMS Water System

Current status

No open violations on record as of July 4, 2026.

This system's next federally required Consumer Confidence Report is due July 1, 2027, under the EPA's revised reporting rule.

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 Montana’s official records. Always confirm current status with Montana before making decisions based on this information.

System facts

System ID (PWSID)
MT0001671
System type
Community Water System
Population served
280
Service connections
54
Ownership
privately owned
Water source
groundwater (wells)

Violation history

  • Consumer Confidence Report Complete Failure to Report

    Consumer Confidence Rule

    July 1, 2022 – July 6, 2022

    Resolved
  • Monitoring, Routine (RTCR)

    Revised Total Coliform Rule

    August 1, 2019 – August 31, 2019

    Resolved
  • Monitoring, Regular

    Nitrate-Nitrite

    January 1, 2003 – December 31, 2003

    Resolved
  • Monitoring, Routine Minor (TCR)

    Coliform (TCR)

    July 1, 1997 – July 31, 1997

    Resolved
  • Monitoring, Routine Major (TCR)

    Coliform (TCR)

    August 1, 1992 – August 31, 1992

    Resolved
  • Monitoring, Routine Major (TCR)

    Coliform (TCR)

    May 1, 1992 – May 31, 1992

    Resolved

Resolved addressed and confirmed by the state

Enforcement actions

Contact

WILLIAMS LLC, AP

406-393-2127

KALISPELL, MT 59903