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Public water system record

Hurley Waterworks

Serves Hurley, Iron County, WI · 1,515 people served

Federal records show 3 health-based violations and 7 monitoring/reporting issues for Hurley Waterworks in the last ten years. The most serious issue in this window was a resolved Groundwater Rule violation.

  • WI8260116
  • HURLEY
  • WI
  • 1,515 served

System profile

Source water Purchased groundwater
ZIP 54534
EPA system ID WI8260116

Verify this system on EPA ECHO →

Health-based violations, last 10 years
3
Resolved
3
Unresolved
0
Any acute record
No
Monitoring issues, last 10 years
7

Key facts

  • Hurley Waterworks buys its water from Ironwood and Montreal Waterworks.
  • Highest measured level in the last 10 years: Total Trihalomethanes (TTHMs), 84.5 µg/L, federal limit 80 µg/L (1.1 times the limit), 2017.
  • Most recent formal enforcement: compliance order (no penalty) by Wisconsin, May 2018.
  • Record on file since 1991, with 5 health-based violations before October 19, 2016.
  • Lead pipe inventory: 0 lead and 111 unknown out of 886 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
Groundwater Rule
Treatment technique failure
 140 Jan 1, 2018 Resolved No
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 84.5 µg/L, federal limit 80 µg/L (1.1 times the limit)
 220 Oct 1, 2017 Resolved No
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 81 µg/L, federal limit 80 µg/L (at or just above the limit)
 220 Jul 1, 2017 Resolved No

Monitoring and reporting issues

Since October 2016

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

Issue Start date Status
Public Notice
OTHER
 Oct 17, 2024 Active
LEAD AND COPPER RULE REVISIONS
RPT
 Oct 17, 2024 Resolved
Haloacetic Acids (HAA5)
Monitoring and reporting
 Apr 1, 2024 Resolved
Total Trihalomethanes (TTHMs)
Monitoring and reporting
 Apr 1, 2024 Resolved
Public Notice
OTHER
 May 2, 2018 Resolved
Public Notice
OTHER
 Dec 4, 2017 Resolved
Public Notice
OTHER
 Feb 8, 2016 Resolved

Full record since 1991

EPA's records for Hurley Waterworks go back to 1991. Before October 19, 2016 they list 5 health-based violations (5 resolved) and 2 monitoring or reporting violations.

Violations that began in Health-based Monitoring and reporting
1990s 0 1
2010 to October 18, 2016 5 1
October 19, 2016 to 2019 3 2
2020s 0 4

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

Show all 5 health-based violations before October 19, 2016
Contaminant Start date Status
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 95.4 µg/L, federal limit 80 µg/L (1.2 times the limit)
 Apr 1, 2016 Resolved
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 100.3 µg/L, federal limit 80 µg/L (1.3 times the limit)
 Jan 1, 2016 Resolved
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 98 µg/L, federal limit 80 µg/L (1.2 times the limit)
 Oct 1, 2015 Resolved
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 96.1 µg/L, federal limit 80 µg/L (1.2 times the limit)
 Jul 1, 2015 Resolved
Haloacetic Acids (HAA5)
Contaminant limit exceeded
Measured 60.9 µg/L, federal limit 60 µg/L (at or just above the limit)
 Jul 1, 2015 Resolved

Enforcement actions

Wisconsin regulators took 1 formal enforcement action against Hurley Waterworks in 2018. The most recent was a compliance order (no penalty) in May 2018.

Date By Action Violations covered
May 15, 2018 Wisconsin Compliance order (no penalty) 1 violation (1 health-based): Groundwater Rule

What the violations mean

Total Trihalomethanes (TTHMs)

2 incidents

Disinfection byproduct levels exceeded the federal limit

Long-term TTHM exposure may increase bladder cancer risk

Groundwater Rule

1 incident

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

The utility had to notify customers about this violation.

Where the water comes from

Hurley Waterworks buys its water from Ironwood and Montreal Waterworks. It lists no wells or intakes of its own.

Buys water from

Annual water quality report

Hurley Waterworks 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 Wisconsin.

Certified drinking water labs by state EPA guidance for private wells