Public water system record

Wye Area Water System

Serves Missoula and Wye, Missoula County, MT · 512 people served

Federal records show no health-based violations and 1 monitoring/reporting issue for Wye Area Water System in the last ten years.

  • MT0004107
  • MISSOULA
  • MT
  • 512 served

System profile

Source water Groundwater
ZIP 59808
EPA system ID MT0004107

Verify this system on EPA ECHO →

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

Key facts

  • Wye Area Water System draws water from 2 wells.
  • Most recent formal enforcement: compliance order with a penalty by Montana, September 2006.
  • Record on file since 2000, with 6 health-based violations before October 19, 2016.
  • Lead pipe inventory: 0 lead and 205 unknown out of 205 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.

None since October 2016.

Monitoring and reporting issues

Since October 2016

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

Issue Start date Status
Lead and Copper Rule
Monitoring and reporting
Dec 30, 2024 Resolved

Full record since 2000

EPA's records for Wye Area Water System go back to 2000. Before October 19, 2016 they list 6 health-based violations (6 resolved) and 19 monitoring or reporting violations.

Violations that began in Health-based Monitoring and reporting
2000s 2 11
2010 to October 18, 2016 4 8
2020s 0 1

Most recent health-based violation before October 19, 2016: Total Coliform, began July 2013, Resolved.

Show all 6 health-based violations before October 19, 2016
Contaminant Start date Status
Total Coliform
Contaminant limit exceeded
Jul 1, 2013 Resolved
Total Coliform
Contaminant limit exceeded
Nov 1, 2012 Resolved
Total Coliform
Contaminant limit exceeded
Nov 1, 2011 Resolved
Total Coliform
Contaminant limit exceeded
Oct 1, 2010 Resolved
Total Coliform
Contaminant limit exceeded
Dec 1, 2004 Resolved
Total Coliform
Contaminant limit exceeded
Dec 1, 2002 Resolved

Enforcement actions

Montana regulators took 1 formal enforcement action against Wye Area Water System in 2006. The most recent was a compliance order with a penalty in September 2006.

Date By Action Violations covered
Sep 21, 2006 Montana Compliance order with a penalty 1 violation: Consumer Confidence Rule

Where the water comes from

Wye Area Water System draws water from 2 wells.

Annual water quality report

Wye Area Water System 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.