OREGON, WI · Dane County
OAKHILL CORRECTIONAL INST Water System
Consumer Confidence Report status
OAKHILL CORRECTIONAL INST must publish a Consumer Confidence Report — the annual drinking water quality report covering calendar year 2026 — by July 1, 2027.
As of August 1, 2026, EPA's federal records show 1 item for OAKHILL CORRECTIONAL INST that is open and awaiting resolution. None are health-based violations — open items of this kind are most often monitoring or reporting requirements, not water-safety findings.
Data sourced from the EPA ECHO database (SDWA bulk download), last refreshed August 1, 2026. This is a record-keeping and public-information tool — it does not replace Wisconsin’s official records. Always confirm current status with Wisconsin before making decisions based on this information.
System facts
- System ID (PWSID)
- WI1130250
- System type
- Community Water System
- Population served
- 1,096
- Service connections
- 405
- Ownership
- state government
- Water source
- groundwater (wells)
OAKHILL CORRECTIONAL INST is one of 333 community water systems in Wisconsin in the 501 to 3,300 people size category, serving 1,096 people from groundwater.
As of August 1, 2026, its federal record holds 1 entry in 2024, of which 1 remains open; none are health-based.
None of the 1 are monitoring or reporting requirements — the category that accounts for about four in five of all violations in EPA's national dataset; these involve water-quality, treatment, or public-notice findings instead. The record involves the Public Notice Rule and Revised PN Rule.
Violation history
Public Notification Violation for NPDWR Violation
—Public Notice
October 17, 2024
Unaddressed
Unaddressed no corrective action on record yet
| Period | Violation | Contaminant / rule | Health-based | Status |
|---|---|---|---|---|
| October 17, 2024 | Public Notification Violation for NPDWR Violation | Public Notice | — | Unaddressed |
Unaddressed no corrective action on record yet
Enforcement actions
No enforcement actions on record for this system.
Common questions
Is OAKHILL CORRECTIONAL INST required to publish a Consumer Confidence Report?
- Yes. OAKHILL CORRECTIONAL INST is a community water system, and federal rules (40 CFR 141 Subpart O) require every community water system to publish a Consumer Confidence Report each year.
When is OAKHILL CORRECTIONAL INST’s next Consumer Confidence Report due?
- OAKHILL CORRECTIONAL INST’s next Consumer Confidence Report is due by July 1, 2027. The report covers calendar year 2026.
Does OAKHILL CORRECTIONAL INST have any open drinking water violations on record?
- As of August 1, 2026, EPA's federal records show 1 item for OAKHILL CORRECTIONAL INST that is open and awaiting resolution. None are health-based violations — open items of this kind are most often monitoring or reporting requirements, not water-safety findings.
What is a Consumer Confidence Report?
- A Consumer Confidence Report (CCR) is the annual drinking water quality report that community water systems must provide to the people they serve. It lists the contaminants detected in the system’s water during the year, where the water comes from, and how the results compare with federal limits. EPA’s revised CCR rule takes effect January 1, 2027, and the first reports in the new format are due July 1, 2027.
Contact
THOMPSON, JASON
Phone not on record
OREGON, WI 53575