MENDON, IL · Adams County
MENDON Water System
Consumer Confidence Report status
MENDON 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 MENDON.
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 Illinois’s official records. Always confirm current status with Illinois before making decisions based on this information.
System facts
- System ID (PWSID)
- IL0010500
- System type
- Community Water System
- Population served
- 953
- Service connections
- 435
- Ownership
- local government
- Water source
- groundwater (wells)
MENDON is one of 773 community water systems in Illinois in the 501 to 3,300 people size category, serving 953 people from groundwater.
As of August 1, 2026, its federal record holds 1 entry in 1977, all of which EPA lists as closed. Nothing has been added since 1977.
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 Radionuclides and Revised Rad Rule.
Violation history
Monitoring, Regular
—Gross Alpha, Excl. Radon and U
June 30, 1977 – June 29, 1981
Archived
Archived closed in EPA's records (typically due to age or a data correction)
| Period | Violation | Contaminant / rule | Health-based | Status |
|---|---|---|---|---|
| June 30, 1977 – June 29, 1981 | Monitoring, Regular | Gross Alpha, Excl. Radon and U | — | Archived |
Archived closed in EPA's records (typically due to age or a data correction)
Enforcement actions
- May 5, 1994State Violation/Reminder Notice1 linked violation
- May 5, 1994State Public Notification requested1 linked violation
- May 3, 1994State Public Notification received1 linked violation
Common questions
Is MENDON required to publish a Consumer Confidence Report?
- Yes. MENDON 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 MENDON’s next Consumer Confidence Report due?
- MENDON’s next Consumer Confidence Report is due by July 1, 2027. The report covers calendar year 2026.
Does MENDON have any open drinking water violations on record?
- As of August 1, 2026, EPA's federal records show no open violations for MENDON.
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
CANTRELL, RAYMOND
217-936-2215
MENDON, IL 62351