ADDISON, MI · Lenawee County
ADDISON Water System
Consumer Confidence Report status
ADDISON 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 ADDISON.
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)
- MI0000030
- System type
- Community Water System
- Population served
- 605
- Service connections
- 263
- Ownership
- local government
- Water source
- groundwater (wells)
ADDISON is one of 499 community water systems in Michigan in the 501 to 3,300 people size category, serving 605 people from groundwater.
As of August 1, 2026, its federal record holds 4 entries between 1985 and 2024, all of which EPA lists as closed.
None of the 4 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 Miscellaneous Other Rules and inorganic chemicals.
Violation history
Maximum Contaminant Level Violation, Average
Health-basedArsenic
October 1, 2024 – December 31, 2024
ResolvedOperations Report
—No contaminant on record
December 1, 1985 – December 31, 1985
ArchivedOperations Report
—No contaminant on record
November 1, 1985 – November 30, 1985
ArchivedOperations Report
—No contaminant on record
October 1, 1985 – October 31, 1985
Archived
Resolved addressed and confirmed by the stateArchived closed in EPA's records (typically due to age or a data correction)
| Period | Violation | Contaminant / rule | Health-based | Status |
|---|---|---|---|---|
| October 1, 2024 – December 31, 2024 | Maximum Contaminant Level Violation, Average | Arsenic | Health-based | Resolved |
| December 1, 1985 – December 31, 1985 | Operations Report | — | — | Archived |
| November 1, 1985 – November 30, 1985 | Operations Report | — | — | Archived |
| October 1, 1985 – October 31, 1985 | Operations Report | — | — | Archived |
Resolved addressed and confirmed by the stateArchived closed in EPA's records (typically due to age or a data correction)
Enforcement actions
- January 7, 2026State Compliance achieved3 linked violations
- November 20, 2025State Violation/Reminder Notice2 linked violations
- September 15, 2025State Compliance achieved12 linked violations
- August 7, 2025State Violation/Reminder Notice6 linked violations
- January 3, 2025State Public Notification received7 linked violations
- November 13, 2024State Violation/Reminder Notice10 linked violations
- October 30, 2024State Public Notification requested27 linked violations
Common questions
Is ADDISON required to publish a Consumer Confidence Report?
- Yes. ADDISON 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 ADDISON’s next Consumer Confidence Report due?
- ADDISON’s next Consumer Confidence Report is due by July 1, 2027. The report covers calendar year 2026.
Does ADDISON have any open drinking water violations on record?
- As of August 1, 2026, EPA's federal records show no open violations for ADDISON.
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
BOWMAN, DEAN
517-547-6328
ADDISON, MI 49220