Public water system record

Round Prairie Water Coop

Serves an area of Sangamon County, IL that includes Springfield · 813 people served

Federal records show no health-based violations and 3 monitoring/reporting issues for Round Prairie Water Coop in the last ten years.

  • IL1670090
  • DIETERICH
  • IL
  • 813 served

System profile

Source water Purchased surface water
ZIP 62424
EPA system ID IL1670090

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
3

Key facts

  • Round Prairie Water Coop buys its water from Springfield.
  • Lead pipe inventory: 0 lead and 0 unknown out of 377 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.

Monitoring and reporting issues

Since October 2016

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

Issue Start date Status
Haloacetic Acids (HAA5)
Monitoring and reporting
Oct 1, 2025 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
Total Trihalomethanes (TTHMs)
Monitoring and reporting
Apr 1, 2025 Resolved
Haloacetic Acids (HAA5)
Monitoring and reporting
Apr 1, 2025 Resolved

Where the water comes from

Round Prairie Water Coop buys its water from Springfield. It lists no wells or intakes of its own.

Buys water from

Annual water quality report

Round Prairie Water Coop 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 Illinois.