CAHOKIA HEIGHTS, IL · St. Clair County
CAHOKIA HEIGHTS Water System
Consumer Confidence Report status
CAHOKIA HEIGHTS 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 CAHOKIA HEIGHTS.
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)
- IL1635000
- System type
- Community Water System
- Population served
- 12,528
- Service connections
- 5,011
- Ownership
- local government
- Water source
- surface water (rivers, lakes, or reservoirs)
CAHOKIA HEIGHTS is one of 225 community water systems in Illinois in the 10,001 to 100,000 people size category, serving 12,528 people from surface water.
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 CAHOKIA HEIGHTS required to publish a Consumer Confidence Report?
- Yes. CAHOKIA HEIGHTS 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 CAHOKIA HEIGHTS’s next Consumer Confidence Report due?
- CAHOKIA HEIGHTS’s next Consumer Confidence Report is due by July 1, 2027. The report covers calendar year 2026.
Does CAHOKIA HEIGHTS have any open drinking water violations on record?
- As of August 1, 2026, EPA's federal records show no open violations for CAHOKIA HEIGHTS.
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
SWANSON, JANAE'
618-515-2376
CAHOKIA HEIGHTS, IL 62206