Public water system record

Lake Mills Municipal Water Dept-South

Serves Lake Mills, Winnebago County, IA · 2,158 people served

Federal records show no health-based violations and no monitoring or reporting issues for Lake Mills Municipal Water Dept-South in the last ten years.

  • IA9545044
  • LAKE MILLS
  • IA
  • 2,158 served

System profile

Source water Groundwater
ZIP 50450
EPA system ID IA9545044

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
0

Key facts

  • Lake Mills Municipal Water Dept-South draws water from 1 well.
  • Most recent formal enforcement: compliance order with a penalty by Iowa, December 1991.
  • Record on file since 1991, with 3 health-based violations before October 19, 2016.
  • Lead pipe inventory: 27 lead and 12 unknown out of 1,249 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, and no monitoring or reporting violations either.

Full record since 1991

EPA's records for Lake Mills Municipal Water Dept-South go back to 1991. Before October 19, 2016 they list 3 health-based violations (3 resolved) and 3 monitoring or reporting violations.

Violations that began in Health-based Monitoring and reporting
1990s 2 0
2000s 1 3

Most recent health-based violation before October 19, 2016: Total Coliform, began December 2000, Resolved.

Show all 3 health-based violations before October 19, 2016
Contaminant Start date Status
Total Coliform
Contaminant limit exceeded
Dec 1, 2000 Resolved
Total Coliform
Contaminant limit exceeded
Jul 1, 1991 Resolved
Total Coliform
Contaminant limit exceeded
Jul 1, 1991 Resolved

Enforcement actions

Iowa regulators took 1 formal enforcement action against Lake Mills Municipal Water Dept-South in 1991, filed as 3 records in EPA's data. The most recent was a compliance order with a penalty in December 1991.

Date By Action Violations covered
Dec 20, 1991 Iowa Compliance order with a penalty 3 violations (3 health-based): Total Coliform

Where the water comes from

Lake Mills Municipal Water Dept-South draws water from 1 well.

Annual water quality report

Lake Mills Municipal Water Dept-South 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 Iowa.