Public water system record

City of East Helena

Serves Helena and East Helena, Lewis and Clark County, MT · 2,114 people served

Federal records show 1 health-based violation and 2 monitoring/reporting issues for City of East Helena in the last ten years. The most serious issue in this window was a resolved Lead and Copper Rule violation.

  • MT0000196
  • EAST HELENA
  • MT
  • 2,114 served

System profile

Source water Groundwater
ZIP 59635
EPA system ID MT0000196

Verify this system on EPA ECHO →

Health-based violations, last 10 years
1
Resolved
1
Unresolved
0
Any acute record
No
Monitoring issues, last 10 years
2

Key facts

  • City of East Helena draws water from 6 wells.
  • Most recent enforcement action: boil water order by Montana, September 1985.
  • Record on file since 1993, with 0 health-based violations before October 19, 2016.
  • Lead pipe inventory: 1 lead and 0 unknown out of 868 service lines.

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Health-based violations

Since October 2016

Violation data reflects EPA records through March 2026. For the most current status, visit the EPA ECHO database.

Contaminant Rule family Start date Status Acute
Lead and Copper Rule
Treatment technique failure
350 Nov 4, 2022 Resolved No

Monitoring and reporting issues

Since October 2016

Missed tests or reports, not contaminants found above a limit.

Issue Start date Status
Revised Total Coliform Rule
Monitoring violation
Jun 1, 2025 Resolved
Consumer Confidence Rule
OTHER
Jul 1, 2021 Resolved

Full record since 1993

EPA's records for City of East Helena go back to 1993. Before October 19, 2016 they list no health-based violations and 19 monitoring or reporting violations.

Violations that began in Health-based Monitoring and reporting
1990s 0 14
2000s 0 3
2010 to October 18, 2016 0 2
2020s 1 2

Enforcement actions

Montana regulators issued 1 boil water order to City of East Helena in 1985. The most recent was a boil water order in September 1985.

Date By Action Violations covered
Sep 30, 1985 Montana Boil water order 1 violation

What the violations mean

Lead and Copper Rule

1 incident

The system did not complete a treatment step or action that the Lead and Copper Rule requires (a treatment technique violation).

The utility had to notify customers about this violation.

Where the water comes from

City of East Helena draws water from 6 wells.

Annual water quality report

City of East Helena must give its customers an annual water quality report (Consumer Confidence Report) by July 1, with the levels its tests found in the previous year.

Where the state allows it, systems serving fewer than 10,000 people may publish the report in a local newspaper or news site instead of mailing it, and must provide a copy on request.

Find a posted report with EPA's Consumer Confidence Report search

Testing your own water

To test the water at your tap, or a private well this record does not cover, use a laboratory certified for drinking water by Montana.