Drinking Water Compliance OS

GRAYSLAKE, IL · Lake County

CHAIN-O-LAKES MHP Water System

Current status

No open violations on record as of July 4, 2026.

This system's next federally required Consumer Confidence Report is due July 1, 2027, under the EPA's revised reporting rule.

Data sourced from the EPA ECHO database (SDWA bulk download), last refreshed July 4, 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)

Violation history

  • Maximum Contaminant Level Violation, Monthly (TCR)

    Health-based

    Coliform (TCR)

    July 1, 1994 – July 31, 1994

    Archived

Archived closed in EPA's records (typically due to age or a data correction)

Enforcement actions

Contact

ZAJICEK, JOHN

847-546-3154

GRAYSLAKE, IL 60030