CHICAGO, IL · Cook County
WILLOWAY TERRACE MHP Water System
Consumer Confidence Report status
WILLOWAY TERRACE MHP 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 WILLOWAY TERRACE MHP.
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)
- IL0317595
- System type
- Community Water System
- Population served
- 900
- Service connections
- 320
- Ownership
- privately owned
- Water source
- groundwater (wells)
WILLOWAY TERRACE MHP is one of 773 community water systems in Illinois in the 501 to 3,300 people size category, serving 900 people from groundwater.
As of August 1, 2026, its federal record holds 1 entry in 2023, all of which EPA lists as closed. Nothing has been added since 2023.
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 Total Coliform Rules.
Violation history
Monitoring, Routine (RTCR)
—Revised Total Coliform Rule
February 1, 2023 – February 28, 2023
Resolved
Resolved addressed and confirmed by the state
| Period | Violation | Contaminant / rule | Health-based | Status |
|---|---|---|---|---|
| February 1, 2023 – February 28, 2023 | Monitoring, Routine (RTCR) | Revised Total Coliform Rule | — | Resolved |
Resolved addressed and confirmed by the state
Enforcement actions
- May 24, 2023State Public Notification received2 linked violations
- May 24, 2023State Public Notification received1 linked violation
- March 29, 2023State Public Notification requested1 linked violation
- March 29, 2023State Violation/Reminder Notice1 linked violation
- March 29, 2023State Violation/Reminder Notice2 linked violations
- March 29, 2023State Public Notification requested1 linked violation
- March 20, 2023State Compliance achieved1 linked violation
- March 20, 2023State Compliance achieved1 linked violation
- January 23, 1993State Violation/Reminder Notice2 linked violations
- January 23, 1993State Public Notification requested2 linked violations
- December 26, 1992State Public Notification requested3 linked violations
- December 26, 1992State Violation/Reminder Notice3 linked violations
- March 9, 1990State Public Notification issuedgeneral compliance action — not tied to a specific violation on record
- December 30, 1989State Violation/Reminder Noticegeneral compliance action — not tied to a specific violation on record
- December 30, 1989State Public Notification requestedgeneral compliance action — not tied to a specific violation on record
Common questions
Is WILLOWAY TERRACE MHP required to publish a Consumer Confidence Report?
- Yes. WILLOWAY TERRACE MHP 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 WILLOWAY TERRACE MHP’s next Consumer Confidence Report due?
- WILLOWAY TERRACE MHP’s next Consumer Confidence Report is due by July 1, 2027. The report covers calendar year 2026.
Does WILLOWAY TERRACE MHP have any open drinking water violations on record?
- As of August 1, 2026, EPA's federal records show no open violations for WILLOWAY TERRACE MHP.
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
SMITH, JENNIFER
773-499-7255
CHICAGO, IL 60631