ONTONAGON, MI · Ontonagon County
ONTONAGON Water System
Consumer Confidence Report status
ONTONAGON 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 no open violations for ONTONAGON.
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 Michigan’s official records. Always confirm current status with Michigan before making decisions based on this information.
System facts
- System ID (PWSID)
- MI0005030
- System type
- Community Water System
- Population served
- 2,607
- Service connections
- 1,431
- Ownership
- local government
- Water source
- surface water (rivers, lakes, or reservoirs)
ONTONAGON is one of 499 community water systems in Michigan in the 501 to 3,300 people size category, serving 2,607 people from surface water.
As of August 1, 2026, EPA's published records contain no violations for this system.
Violation history
No violations on record for this system.
Enforcement actions
- June 26, 2024State Public Notification received2 linked violations
- October 31, 2002State Compliance achieved1 linked violation
- September 30, 1993State Compliance achieved15 linked violations
- June 1, 1993State Compliance achieved20 linked violations
- December 30, 1991State Compliance achieved22 linked violations
Common questions
Is ONTONAGON required to publish a Consumer Confidence Report?
- Yes. ONTONAGON 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 ONTONAGON’s next Consumer Confidence Report due?
- ONTONAGON’s next Consumer Confidence Report is due by July 1, 2027. The report covers calendar year 2026.
Does ONTONAGON have any open drinking water violations on record?
- As of August 1, 2026, EPA's federal records show no open violations for ONTONAGON.
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
DUPONT, WILLIE
906-884-2305
ONTONAGON, MI 49953