MAHOMET, IL · Champaign County
MAHOMET Water System
Consumer Confidence Report status
MAHOMET 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 MAHOMET.
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)
- IL0190450
- System type
- Community Water System
- Population served
- 6,580
- Service connections
- 2,600
- Ownership
- local government
- Water source
- groundwater (wells)
MAHOMET is one of 248 community water systems in Illinois in the 3,301 to 10,000 people size category, serving 6,580 people from groundwater.
As of August 1, 2026, its federal record holds 1 entry in 1994, all of which EPA lists as closed. Nothing has been added since 1994.
None of the 1 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 Lead and Copper Rule.
Violation history
OCCT/SOWT Study/Recommendation
Health-basedLead and Copper Rule
January 1, 1994 – August 26, 1994
Resolved
Resolved addressed and confirmed by the state
| Period | Violation | Contaminant / rule | Health-based | Status |
|---|---|---|---|---|
| January 1, 1994 – August 26, 1994 | OCCT/SOWT Study/Recommendation | Lead and Copper Rule | Health-based | Resolved |
Resolved addressed and confirmed by the state
Enforcement actions
- June 2, 2025State Public Notification received1 linked violation
- June 2, 2025State Public Notification received1 linked violation
- March 27, 2025State Violation/Reminder Notice1 linked violation
- March 27, 2025State Violation/Reminder Notice1 linked violation
- March 27, 2025State Public Notification requested1 linked violation
- March 27, 2025State Public Notification requested1 linked violation
- March 20, 2025State Compliance achieved2 linked violations
- March 20, 2025State Compliance achieved1 linked violation
- June 10, 2024State Compliance achieved1 linked violation
- December 12, 2023State Violation/Reminder Notice1 linked violation
- March 23, 2022State Compliance achieved1 linked violation
- March 10, 2022State Violation/Reminder Notice1 linked violation
- June 27, 2012State Compliance achieved1 linked violation
- August 24, 2011State Violation/Reminder Notice1 linked violation
- November 15, 2000State Public Notification requested7 linked violations
- December 17, 1994State Public Notification requested1 linked violation
- December 17, 1994State Violation/Reminder Notice1 linked violation
- August 26, 1994State Compliance achieved1 linked violation
Common questions
Is MAHOMET required to publish a Consumer Confidence Report?
- Yes. MAHOMET 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 MAHOMET’s next Consumer Confidence Report due?
- MAHOMET’s next Consumer Confidence Report is due by July 1, 2027. The report covers calendar year 2026.
Does MAHOMET have any open drinking water violations on record?
- As of August 1, 2026, EPA's federal records show no open violations for MAHOMET.
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
BROWN, PATRICK J.
217-586-4456
MAHOMET, IL 61853