HARDWOOD HEIGHTS, IL · Cook County

HARWOOD HEIGHTS 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): IL0311140
System type: Community Water System
Population served: 9,065
Service connections: 2,290
Ownership: local government
Water source: surface water (rivers, lakes, or reservoirs)

Violation history

Lead Consumer Notice
—
Lead and Copper Rule
December 30, 2020 – January 19, 2021
Resolved
Consumer Confidence Report Inadequate Reporting
—
Consumer Confidence Rule
July 1, 2016 – June 15, 2017
Resolved
Water Quality Parameter M/R
—
Lead and Copper Rule
January 1, 1997 – June 30, 1997
Resolved
Monitoring, Repeat Minor (TCR)
—
Coliform (TCR)
September 1, 1994 – September 30, 1994
Archived
Maximum Contaminant Level Violation, Monthly (TCR)
Health-based
Coliform (TCR)
September 1, 1994 – September 30, 1994
Archived
OCCT/SOWT Study/Recommendation
Health-based
Lead and Copper Rule
December 21, 1992 – January 18, 1994
Resolved
Water Quality Parameter M/R
—
Lead and Copper Rule
October 1, 1992 – March 31, 1993
Resolved

Resolved addressed and confirmed by the stateArchived closed in EPA's records (typically due to age or a data correction)

Period	Violation	Contaminant / rule	Health-based	Status
December 30, 2020 – January 19, 2021	Lead Consumer Notice	Lead and Copper Rule	—	Resolved
July 1, 2016 – June 15, 2017	Consumer Confidence Report Inadequate Reporting	Consumer Confidence Rule	—	Resolved
January 1, 1997 – June 30, 1997	Water Quality Parameter M/R	Lead and Copper Rule	—	Resolved
September 1, 1994 – September 30, 1994	Monitoring, Repeat Minor (TCR)	Coliform (TCR)	—	Archived
September 1, 1994 – September 30, 1994	Maximum Contaminant Level Violation, Monthly (TCR)	Coliform (TCR)	Health-based	Archived
December 21, 1992 – January 18, 1994	OCCT/SOWT Study/Recommendation	Lead and Copper Rule	Health-based	Resolved
October 1, 1992 – March 31, 1993	Water Quality Parameter M/R	Lead and Copper Rule	—	Resolved

Resolved addressed and confirmed by the stateArchived closed in EPA's records (typically due to age or a data correction)

Enforcement actions

January 19, 2021State Compliance achieved1 linked violation
January 6, 2021State Violation/Reminder Notice1 linked violation
June 15, 2017State Compliance achieved2 linked violations
July 19, 2016State Violation/Reminder Notice1 linked violation
July 29, 2015State Violation/Reminder Notice1 linked violation
April 9, 1998State Compliance achieved1 linked violation
November 19, 1994State Violation/Reminder Notice2 linked violations
November 19, 1994State Public Notification requested2 linked violations
September 18, 1994State Public Notification requestedgeneral compliance action — not tied to a specific violation on record
September 18, 1994State Violation/Reminder Noticegeneral compliance action — not tied to a specific violation on record
January 18, 1994State Compliance achieved1 linked violation
November 18, 1993State Compliance achieved1 linked violation
April 22, 1993State Violation/Reminder Notice1 linked violation
April 22, 1993State Public Notification requested1 linked violation
December 29, 1990State Public Notification requested1 linked violation
January 18, 1990State Public Notification received1 linked violation
December 30, 1989State Public Notification requestedgeneral compliance action — not tied to a specific violation on record
March 30, 1989State Public Notification requested1 linked violation
March 30, 1989State Violation/Reminder Notice1 linked violation
October 2, 1988State Public Notification requested2 linked violations

Contact

MASLO, RONALD

708-867-7206

HARDWOOD HEIGHTS, IL 60706