TINLEY PARK, IL · Cook County

TINLEY PARK MHC Water System

Inactive system

This water system is marked inactive in EPA’s federal records as of January 2, 2013. 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 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): IL0317850
System type: Community Water System
Population served: 300
Service connections: 20
Ownership: state government
Water source: surface water (rivers, lakes, or reservoirs)

Violation history

Lead Consumer Notice
—
Lead and Copper Rule
October 2, 2011 – October 26, 2011
Resolved
Monitoring and Reporting (DBP)
—
TTHM
July 1, 2010 – September 30, 2010
Resolved
Monitoring and Reporting (DBP)
—
Total Haloacetic Acids (HAA5)
July 1, 2010 – September 30, 2010
Resolved
Follow-up Or Routine LCR Tap M/R
—
Lead and Copper Rule
October 1, 1996 – April 9, 1998
Resolved
Initial Tap Sampling for Pb and Cu
—
Lead and Copper Rule
October 1, 1994 – December 31, 1995
Resolved

Resolved addressed and confirmed by the state

Period	Violation	Contaminant / rule	Health-based	Status
October 2, 2011 – October 26, 2011	Lead Consumer Notice	Lead and Copper Rule	—	Resolved
July 1, 2010 – September 30, 2010	Monitoring and Reporting (DBP)	TTHM	—	Resolved
July 1, 2010 – September 30, 2010	Monitoring and Reporting (DBP)	Total Haloacetic Acids (HAA5)	—	Resolved
October 1, 1996 – April 9, 1998	Follow-up Or Routine LCR Tap M/R	Lead and Copper Rule	—	Resolved
October 1, 1994 – December 31, 1995	Initial Tap Sampling for Pb and Cu	Lead and Copper Rule	—	Resolved

Resolved addressed and confirmed by the state

Enforcement actions

October 26, 2011State Compliance achieved2 linked violations
October 4, 2011State Violation/Reminder Notice1 linked violation
July 1, 2011State Public Notification received3 linked violations
January 10, 2011State Compliance achieved2 linked violations
October 13, 2010State Violation/Reminder Notice52 linked violations
October 13, 2010State Public Notification requested2 linked violations
April 9, 1998State Compliance achieved1 linked violation
December 31, 1995State Compliance achieved1 linked violation
December 1, 1990State Violation/Reminder Notice3 linked violations
July 1, 1989State Public Notification requestedgeneral compliance action — not tied to a specific violation on record

Last known contact on file (system is inactive)

ARNOLD, MARVA

708-614-4047

TINLEY PARK, IL 60477