MT PLEASANT, MI · Isabella County
MOUNT PLEASANT Water System
Consumer Confidence Report status
MOUNT PLEASANT 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 MOUNT PLEASANT.
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)
- MI0004530
- System type
- Community Water System
- Population served
- 21,688
- Service connections
- 5,618
- Ownership
- local government
- Water source
- surface water (rivers, lakes, or reservoirs)
MOUNT PLEASANT is one of 137 community water systems in Michigan in the 10,001 to 100,000 people size category, serving 21,688 people from surface water.
As of August 1, 2026, its federal record holds 1 entry in 2016, all of which EPA lists as closed. Nothing has been added since 2016.
All 1 are monitoring and reporting requirements — the category that accounts for about four in five of all violations in EPA's national dataset — rather than findings about the water itself. The record involves the Surface Water Treatment Rules.
Violation history
Monitoring, Source Water (LT2)
—E. COLI
October 1, 2016 – October 31, 2016
Resolved
Resolved addressed and confirmed by the state
| Period | Violation | Contaminant / rule | Health-based | Status |
|---|---|---|---|---|
| October 1, 2016 – October 31, 2016 | Monitoring, Source Water (LT2) | E. COLI | — | Resolved |
Resolved addressed and confirmed by the state
Enforcement actions
- September 9, 2022State Public Notification requested6 linked violations
- April 18, 2018State Public Notification received5 linked violations
Common questions
Is MOUNT PLEASANT required to publish a Consumer Confidence Report?
- Yes. MOUNT PLEASANT 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 MOUNT PLEASANT’s next Consumer Confidence Report due?
- MOUNT PLEASANT’s next Consumer Confidence Report is due by July 1, 2027. The report covers calendar year 2026.
Does MOUNT PLEASANT have any open drinking water violations on record?
- As of August 1, 2026, EPA's federal records show no open violations for MOUNT PLEASANT.
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
MOORE, JASON
989-779-5401
MT PLEASANT, MI 48858