ONSTED, MI · Lenawee County
ONSTED Water System
Consumer Confidence Report status
ONSTED 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 ONSTED.
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)
- MI0005020
- System type
- Community Water System
- Population served
- 907
- Service connections
- 365
- Ownership
- local government
- Water source
- groundwater (wells)
ONSTED is one of 499 community water systems in Michigan in the 501 to 3,300 people size category, serving 907 people from groundwater.
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
No enforcement actions on record for this system.
Common questions
Is ONSTED required to publish a Consumer Confidence Report?
- Yes. ONSTED 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 ONSTED’s next Consumer Confidence Report due?
- ONSTED’s next Consumer Confidence Report is due by July 1, 2027. The report covers calendar year 2026.
Does ONSTED have any open drinking water violations on record?
- As of August 1, 2026, EPA's federal records show no open violations for ONSTED.
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
SCHAFER, ROBERT
517-270-8344
ONSTED, MI 49265