Public water system record

Fort Peck Rural County Water District

Serves an area of Valley County, MT that includes Fort Peck · 663 people served

Federal records show 4 health-based violations and no monitoring/reporting issues for Fort Peck Rural County Water District in the last ten years. The most serious issue in this window was a resolved Total Trihalomethanes (TTHMs) violation.

  • MT0004177
  • FT. PECK
  • MT
  • 663 served

System profile

Source water Purchased surface water
ZIP 59230
EPA system ID MT0004177

Verify this system on EPA ECHO →

Health-based violations, last 10 years
4
Resolved
4
Unresolved
0
Any acute record
No
Monitoring issues, last 10 years
0

Key facts

  • Fort Peck Rural County Water District buys its water from Town of Fort Peck.
  • Highest measured level in the last 10 years: Total Trihalomethanes (TTHMs), 84 µg/L, federal limit 80 µg/L (1.1 times the limit), 2020.
  • Record on file since 2001, with 4 health-based violations before October 19, 2016.
  • Lead pipe inventory: 1 lead and 3 unknown out of 401 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
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 84 µg/L, federal limit 80 µg/L (1.1 times the limit)
220 Oct 1, 2020 Resolved No
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 82.5 µg/L, federal limit 80 µg/L (at or just above the limit)
220 Jan 1, 2020 Resolved No
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 81.5 µg/L, federal limit 80 µg/L (at or just above the limit)
220 Oct 1, 2019 Resolved No
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 83.5 µg/L, federal limit 80 µg/L (at or just above the limit)
220 Apr 1, 2019 Resolved No

Full record since 2001

EPA's records for Fort Peck Rural County Water District go back to 2001. Before October 19, 2016 they list 4 health-based violations (4 resolved) and 2 monitoring or reporting violations.

Violations that began in Health-based Monitoring and reporting
2000s 0 2
2010 to October 18, 2016 4 0
October 19, 2016 to 2019 2 0
2020s 2 0

Most recent health-based violation before October 19, 2016: Total Trihalomethanes (TTHMs), began October 2015, Resolved.

Show all 4 health-based violations before October 19, 2016
Contaminant Start date Status
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 81 µg/L, federal limit 80 µg/L (at or just above the limit)
Oct 1, 2015 Resolved
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 81 µg/L, federal limit 80 µg/L (at or just above the limit)
Jul 1, 2015 Resolved
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.081 mg/L, federal limit 0.08 mg/L (at or just above the limit)
Jan 1, 2015 Resolved
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.087 mg/L, federal limit 0.08 mg/L (1.1 times the limit)
Jul 1, 2013 Resolved

What the violations mean

Total Trihalomethanes (TTHMs)

4 incidents

Disinfection byproduct levels exceeded the federal limit

Long-term TTHM exposure may increase bladder cancer risk

Where the water comes from

Fort Peck Rural County Water District buys its water from Town of Fort Peck. It lists no wells or intakes of its own.

Buys water from

Annual water quality report

Fort Peck Rural County Water District 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.