Public water system record

Osceola Waterworks

Serves Osceola, Polk County, WI · 2,680 people served

Federal records show 1 health-based violation and 1 monitoring/reporting issue for Osceola Waterworks in the last ten years. The most serious issue in this window was a resolved LEAD AND COPPER RULE REVISIONS violation.

  • WI6490341
  • OSCEOLA
  • WI
  • 2,680 served

System profile

Source water Groundwater
ZIP 54020
EPA system ID WI6490341

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
1

Key facts

  • Osceola Waterworks draws water from 2 wells.
  • Most recent formal enforcement: signed compliance agreement by Wisconsin, November 2006.
  • Record on file since 1991, with 1 health-based violation before October 19, 2016.
  • Lead pipe inventory: 0 lead and 230 unknown out of 1,222 service lines.

Check whether Osceola Waterworks serves your address

Address suggestions by Mapbox

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
LEAD AND COPPER RULE REVISIONS
Treatment technique failure
350 Oct 17, 2024 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

Full record since 1991

EPA's records for Osceola Waterworks go back to 1991. Before October 19, 2016 they list 1 health-based violation (1 resolved) and 11 monitoring or reporting violations.

Violations that began in Health-based Monitoring and reporting
1990s 0 4
2000s 1 6
2010 to October 18, 2016 0 1
2020s 1 1

Most recent health-based violation before October 19, 2016: Arsenic, began April 2006, Resolved.

Show the health-based violation before October 19, 2016
Contaminant Start date Status
Arsenic
Contaminant limit exceeded
Measured 0.01423 mg/L, federal limit 0.01 mg/L (1.4 times the limit)
Apr 1, 2006 Resolved

Enforcement actions

Wisconsin regulators took 1 formal enforcement action against Osceola Waterworks in 2006. The most recent was a signed compliance agreement in November 2006.

Date By Action Violations covered
Nov 6, 2006 Wisconsin Signed compliance agreement 1 violation (1 health-based): Arsenic

What the violations mean

LEAD AND COPPER RULE REVISIONS

1 incident

The system did not complete a treatment step or action that the LEAD AND COPPER RULE REVISIONS requires (a treatment technique violation).

The utility had to notify customers about this violation.

Where the water comes from

Osceola Waterworks draws water from 2 wells.

Annual water quality report

Osceola 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.