GRAYSLAKE, IL · Lake County
CHAIN-O-LAKES MHP Water System
Consumer Confidence Report status
CHAIN-O-LAKES 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 CHAIN-O-LAKES 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)
- IL0975165
- System type
- Community Water System
- Population served
- 84
- Service connections
- 67
- Ownership
- privately owned
- Water source
- groundwater (wells)
CHAIN-O-LAKES MHP is one of 1,572 community water systems in Illinois in the 500 or fewer people size category, serving 84 people from groundwater.
As of August 1, 2026, its federal record holds 2 entries between 1994 and 2001, all of which EPA lists as closed. Nothing has been added since 2001.
None of the 2 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 Total Coliform Rules.
Violation history
Maximum Contaminant Level Violation, Monthly (TCR)
Health-basedColiform (TCR)
August 1, 2001 – August 31, 2001
ArchivedMaximum Contaminant Level Violation, Monthly (TCR)
Health-basedColiform (TCR)
July 1, 1994 – July 31, 1994
Archived
Archived closed in EPA's records (typically due to age or a data correction)
| Period | Violation | Contaminant / rule | Health-based | Status |
|---|---|---|---|---|
| August 1, 2001 – August 31, 2001 | Maximum Contaminant Level Violation, Monthly (TCR) | Coliform (TCR) | Health-based | Archived |
| July 1, 1994 – July 31, 1994 | Maximum Contaminant Level Violation, Monthly (TCR) | Coliform (TCR) | Health-based | Archived |
Archived closed in EPA's records (typically due to age or a data correction)
Enforcement actions
- August 17, 1996State Violation/Reminder Notice1 linked violation
- August 17, 1996State Public Notification requested1 linked violation
- September 18, 1994State Public Notification requested3 linked violations
- September 18, 1994State Violation/Reminder Notice1 linked violation
- September 18, 1994State Public Notification requested1 linked violation
Common questions
Is CHAIN-O-LAKES MHP required to publish a Consumer Confidence Report?
- Yes. CHAIN-O-LAKES 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 CHAIN-O-LAKES MHP’s next Consumer Confidence Report due?
- CHAIN-O-LAKES MHP’s next Consumer Confidence Report is due by July 1, 2027. The report covers calendar year 2026.
Does CHAIN-O-LAKES MHP have any open drinking water violations on record?
- As of August 1, 2026, EPA's federal records show no open violations for CHAIN-O-LAKES 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
ZAJICEK, JOHN
847-546-3154
GRAYSLAKE, IL 60030