Public water system record

Osceola Water Works

Serves Osceola, Clarke County, IA · 5,503 people served

Federal records show 6 health-based violations and 2 monitoring/reporting issues for Osceola Water Works in the last ten years. The most serious issue in this window was a resolved Long Term 2 Enhanced Surface Water Treatment Rule violation.

  • IA2038038
  • OSCEOLA
  • IA
  • 5,503 served

System profile

Source water Surface water
ZIP 50213
EPA system ID IA2038038

Verify this system on EPA ECHO →

Health-based violations, last 10 years
6
Resolved
6
Unresolved
0
Any acute record
No
Monitoring issues, last 10 years
2

Key facts

  • Osceola Water Works draws water from 1 surface water intake.
  • Most recent formal enforcement: signed compliance agreement by Iowa, January 2006.
  • Record on file since 1988, with 6 health-based violations before October 19, 2016.
  • Lead pipe inventory: 285 lead and 23 unknown out of 2,249 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.

Contaminant Rule family Start date Status Acute
Long Term 2 Enhanced Surface Water Treatment Rule
Treatment technique failure
120 Sep 1, 2024 Resolved No
Long Term 2 Enhanced Surface Water Treatment Rule
Treatment technique failure
120 Mar 1, 2024 Resolved No
Surface Water Treatment Rule
Treatment technique failure
120 Oct 1, 2020 Resolved No
Surface Water Treatment Rule
Treatment technique failure
120 Aug 1, 2020 Resolved No
Surface Water Treatment Rule
Treatment technique failure
120 Mar 1, 2018 Resolved No
Surface Water Treatment Rule
Treatment technique failure
120 Mar 1, 2018 Resolved No

Monitoring and reporting issues

Since October 2016

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

Issue Start date Status
Long Term 2 Enhanced Surface Water Treatment Rule
Monitoring and reporting
Feb 1, 2024 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
Public Notice
OTHER
Nov 14, 2020 Active

Full record since 1988

EPA's records for Osceola Water Works go back to 1988. Before October 19, 2016 they list 6 health-based violations (6 resolved) and 14 monitoring or reporting violations.

Violations that began in Health-based Monitoring and reporting
1980s 0 2
1990s 5 11
2000s 1 1
October 19, 2016 to 2019 2 0
2020s 4 2

Most recent health-based violation before October 19, 2016: Total Trihalomethanes (TTHMs), began July 2005, Resolved.

Show all 6 health-based violations before October 19, 2016
Contaminant Start date Status
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Jul 1, 2005 Resolved
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Jul 1, 1997 Resolved
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Apr 1, 1997 Resolved
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Jan 1, 1997 Resolved
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Oct 1, 1996 Resolved
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Jul 1, 1996 Resolved

Enforcement actions

Iowa regulators took 2 formal enforcement actions against Osceola Water Works between 1991 and 2006, filed as 6 records in EPA's data. The most recent was a signed compliance agreement in January 2006.

Date By Action Violations covered
Jan 11, 2006 Iowa Signed compliance agreement 1 violation (1 health-based): Total Trihalomethanes (TTHMs)
Oct 21, 1991 Iowa Signed compliance agreement 8 violations: Carbon tetrachloride, LASSO, Atrazine

What the violations mean

Surface Water Treatment Rule

4 incidents

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 each of these violations.

Long Term 2 Enhanced Surface Water Treatment Rule

2 incidents

The system failed required surface water treatment or filtration standards

Untreated or inadequately treated surface water can contain bacteria and viruses

Where the water comes from

Osceola Water Works draws water from 1 surface water intake. 1 other community water system buys water from Osceola Water Works.

Community systems that buy water from it

Annual water quality report

Osceola Water Works 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.