Public Water Partners

PALATINE, IL · Cook County

COOK CO FERNDALE HGTS SUBD Water System

Inactive system

This water system is marked inactive in EPA’s federal records as of December 1, 1983. It is no longer an operating public water system under this PWSID, and no compliance deadlines — including the 2027 Consumer Confidence Report rule — apply to it.

If you are a resident looking for your current water provider, see water systems in Cook County, IL.

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)
IL0315550
System type
Community Water System
Population served
11,724
Service connections
2,931
Ownership
not on record
Water source
groundwater (wells)

COOK CO FERNDALE HGTS SUBD is one of 225 community water systems in Illinois in the 10,001 to 100,000 people size category, formerly serving 11,724 people from groundwater.

EPA's federal records list this system as inactive in 1983; the record below is historical.

As of August 1, 2026, its federal record holds 1 entry in 1977, all of which EPA lists as closed. Nothing has been added since 1977.

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 Radionuclides and Revised Rad Rule.

Violation history

  • Monitoring, Regular

    —

    Gross Alpha, Excl. Radon and U

    June 30, 1977 – June 29, 1981

    Archived

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

Enforcement actions

No enforcement actions on record for this system.

Last known contact on file (system is inactive)

Not on record

Phone not on record

PALATINE, IL