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Public water system record

Black Eagle Cascade County Water Sewer

Serves Black Eagle, Cascade County, MT · 1,233 people served

Federal records show 4 health-based violations and no monitoring/reporting issues for Black Eagle Cascade County Water Sewer in the last ten years. The most serious issue in this window was a resolved Haloacetic Acids (HAA5) violation.

  • MT0000157
  • BLACK EAGLE
  • MT
  • 1,233 served

System profile

Source water Purchased surface water
ZIP 59414
EPA system ID MT0000157

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

  • Black Eagle Cascade County Water Sewer buys its water from City of Great Falls.
  • Highest measured level in the last 10 years: Haloacetic Acids (HAA5), 69 µg/L, federal limit 60 µg/L (1.2 times the limit), 2018.
  • Record on file since 1993, with 1 health-based violation before October 19, 2016.
  • Lead pipe inventory: 1 lead and 2 unknown out of 486 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
Haloacetic Acids (HAA5)
Contaminant limit exceeded
Measured 65.8 µg/L, federal limit 60 µg/L (1.1 times the limit)
 220 Jan 1, 2019 Resolved No
Haloacetic Acids (HAA5)
Contaminant limit exceeded
Measured 67.8 µg/L, federal limit 60 µg/L (1.1 times the limit)
 220 Oct 1, 2018 Resolved No
Haloacetic Acids (HAA5)
Contaminant limit exceeded
Measured 69 µg/L, federal limit 60 µg/L (1.2 times the limit)
 220 Jul 1, 2018 Resolved No
Haloacetic Acids (HAA5)
Contaminant limit exceeded
Measured 63 µg/L, federal limit 60 µg/L (1.1 times the limit)
 220 Apr 1, 2018 Resolved No

Full record since 1993

EPA's records for Black Eagle Cascade County Water Sewer go back to 1993. Before October 19, 2016 they list 1 health-based violation (1 resolved) and 5 monitoring or reporting violations.

Violations that began in Health-based Monitoring and reporting
1990s 0 2
2000s 0 1
2010 to October 18, 2016 1 2
October 19, 2016 to 2019 4 0

Most recent health-based violation before October 19, 2016: Total Coliform, began June 2014, Resolved.

Show the health-based violation before October 19, 2016
Contaminant Start date Status
Total Coliform
Contaminant limit exceeded
 Jun 1, 2014 Resolved

What the violations mean

Haloacetic Acids (HAA5)

4 incidents

Haloacetic acid byproducts exceeded the federal limit

Long-term exposure to HAAs may increase cancer risk

Where the water comes from

Black Eagle Cascade County Water Sewer buys its water from City of Great Falls. It lists no wells or intakes of its own.

Buys water from

Annual water quality report

Black Eagle Cascade County Water Sewer 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.

Certified drinking water labs by state EPA guidance for private wells