Public water system record

Lamoni Municipal Utilities

Serves Lamoni, Decatur County, IA · 2,029 people served

Federal records show 1 health-based violation and 11 monitoring/reporting issues for Lamoni Municipal Utilities in the last ten years. The most serious issue in this window was a resolved Surface Water Treatment Rule violation.

  • IA2740050
  • LAMONI
  • IA
  • 2,029 served

System profile

Source water Surface water
ZIP 50140
EPA system ID IA2740050

Verify this system on EPA ECHO →

Health-based violations, last 10 years
1
Resolved
1
Unresolved
0
Any acute record
No
Monitoring issues, last 10 years
11

Key facts

  • Lamoni Municipal Utilities draws water from 3 surface water intakes.
  • Record on file since 1990, with 4 health-based violations before October 19, 2016.
  • Lead pipe inventory: 0 lead and 0 unknown out of 913 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
Surface Water Treatment Rule
Treatment technique failure
120 Mar 1, 2025 Resolved No

Monitoring and reporting issues

Since October 2016

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

Issue Start date Status
Nitrate
Monitoring and reporting
Oct 1, 2024 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
CARBON, TOTAL
Monitoring and reporting
Aug 1, 2023 Resolved
Chlorine dioxide
Monitoring and reporting
Aug 1, 2023 Resolved
Chlorite
Monitoring and reporting
Jun 1, 2023 Resolved
CARBON, TOTAL
Monitoring and reporting
Jun 1, 2023 Resolved
Revised Total Coliform Rule
Monitoring violation
Dec 1, 2022 Resolved
Chlorite
Monitoring and reporting
Dec 1, 2022 Resolved
CARBON, TOTAL
Monitoring and reporting
Oct 1, 2022 Resolved
Nitrite
Monitoring and reporting
Jan 1, 2018 Resolved
Gross Alpha, Excl. Radon and U
Monitoring and reporting
Oct 1, 2016 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
Combined Radium (-226 and -228)
Monitoring and reporting
Oct 1, 2016 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.

Full record since 1990

EPA's records for Lamoni Municipal Utilities go back to 1990. Before October 19, 2016 they list 4 health-based violations (3 resolved, 1 archived by EPA without a recorded fix) and 12 monitoring or reporting violations.

Violations that began in Health-based Monitoring and reporting
1990s 2 9
2000s 0 1
2010 to October 18, 2016 2 2
October 19, 2016 to 2019 0 1
2020s 1 8

Most recent health-based violation before October 19, 2016: Surface Water Treatment Rule, began November 2015, Resolved.

Show all 4 health-based violations before October 19, 2016
Contaminant Start date Status
Surface Water Treatment Rule
Treatment technique failure
Nov 1, 2015 Resolved
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.086 mg/L, federal limit 0.08 mg/L (1.1 times the limit)
Jul 1, 2011 Resolved
Surface Water Treatment Rule
Treatment technique failure
Aug 1, 1999 Resolved
Surface Water Treatment Rule
Treatment technique failure
Sep 1, 1998 Archived

What the violations mean

Surface Water Treatment Rule

1 incident

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

The utility had to notify customers about this violation.

Where the water comes from

Lamoni Municipal Utilities draws water from 3 surface water intakes.

Annual water quality report

Lamoni Municipal Utilities 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.