Public Water Partners

EAST HELENA, MT · Lewis and Clark County

EAST HELENA CITY OF Water System

Consumer Confidence Report status

EAST HELENA CITY OF must publish a Consumer Confidence Report — the annual drinking water quality report covering calendar year 2026 — by July 1, 2027.

As of August 1, 2026, EPA's federal records show no open violations for EAST HELENA CITY OF.

Data sourced from the EPA ECHO database (SDWA bulk download), last refreshed August 1, 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)
MT0000196
System type
Community Water System
Population served
2,114
Service connections
897
Ownership
local government
Water source
groundwater (wells)

EAST HELENA CITY OF is one of 123 community water systems in Montana in the 501 to 3,300 people size category, serving 2,114 people from groundwater.

As of August 1, 2026, its federal record holds 18 entries between 1994 and 2025, all of which EPA lists as closed.

Of the 18, 15 are monitoring and reporting requirements — the category that accounts for about four in five of all violations in EPA's national dataset — rather than findings about the water itself. The record involves inorganic chemicals, the Lead and Copper Rule, and the Consumer Confidence Rule.

Violation history

  • Monitoring, Routine (RTCR)

    Revised Total Coliform Rule

    June 1, 2025 – June 30, 2025

    Resolved
  • OCCT/SOWT Treatment Installation/Demonstration

    Health-based

    Lead and Copper Rule

    November 4, 2022 – January 24, 2023

    Resolved
  • Consumer Confidence Report Complete Failure to Report

    Consumer Confidence Rule

    July 1, 2021 – August 5, 2021

    Resolved
  • Lead Consumer Notice

    Lead and Copper Rule

    December 30, 2015 – February 1, 2016

    Resolved
  • Consumer Confidence Report Complete Failure to Report

    Consumer Confidence Rule

    July 1, 2013 – July 19, 2013

    Resolved
  • Follow-up Or Routine LCR Tap M/R

    Lead and Copper Rule

    August 14, 2003 – August 2, 2006

    Resolved
  • Monitoring, Regular

    Selenium

    January 1, 1994 – December 31, 1994

    Resolved
  • Monitoring, Regular

    Mercury

    January 1, 1994 – December 31, 1994

    Resolved
  • Monitoring, Regular

    Chromium

    January 1, 1994 – December 31, 1994

    Resolved
  • Monitoring, Regular

    Thallium, Total

    January 1, 1994 – December 31, 1994

    Resolved
  • Monitoring, Regular

    Barium

    January 1, 1994 – December 31, 1994

    Resolved
  • Monitoring, Regular

    Arsenic

    January 1, 1994 – December 31, 1994

    Resolved
  • Monitoring, Regular

    Cadmium

    January 1, 1994 – December 31, 1994

    Resolved
  • Monitoring, Regular

    Nickel

    January 1, 1994 – December 31, 1994

    Resolved
  • Monitoring, Regular

    CYANIDE

    January 1, 1994 – December 31, 1994

    Resolved
  • Monitoring, Regular

    Beryllium, Total

    January 1, 1994 – December 31, 1994

    Resolved
  • Monitoring, Regular

    Antimony, Total

    January 1, 1994 – December 31, 1994

    Resolved
  • Monitoring, Regular

    Fluoride

    January 1, 1994 – December 31, 1994

    Resolved

Resolved addressed and confirmed by the state

Enforcement actions

Common questions

Is EAST HELENA CITY OF required to publish a Consumer Confidence Report?

Yes. EAST HELENA CITY OF is a community water system, and federal rules (40 CFR 141 Subpart O) require every community water system to publish a Consumer Confidence Report each year.

When is EAST HELENA CITY OF’s next Consumer Confidence Report due?

EAST HELENA CITY OF’s next Consumer Confidence Report is due by July 1, 2027. The report covers calendar year 2026.

Does EAST HELENA CITY OF have any open drinking water violations on record?

As of August 1, 2026, EPA's federal records show no open violations for EAST HELENA CITY OF.

What is a Consumer Confidence Report?

A Consumer Confidence Report (CCR) is the annual drinking water quality report that community water systems must provide to the people they serve. It lists the contaminants detected in the system’s water during the year, where the water comes from, and how the results compare with federal limits. EPA’s revised CCR rule takes effect January 1, 2027, and the first reports in the new format are due July 1, 2027.

Contact

HARRIS, KELLY

406-227-5321

EAST HELENA, MT 59635