HOFFMAN ESTATES, IL · Cook County

HOFFMAN ESTATES 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): IL0311290
System type: Community Water System
Population served: 50,179
Service connections: 15,742
Ownership: local government
Water source: surface water (rivers, lakes, or reservoirs)

Violation history

Maximum Contaminant Level Violation, Monthly (TCR)
Health-based
Coliform (TCR)
March 1, 1994 – March 31, 1994
Archived
Monitoring, Repeat Minor (TCR)
—
Coliform (TCR)
March 1, 1994 – March 31, 1994
Archived
Maximum Contaminant Level Violation, Monthly (TCR)
Health-based
Coliform (TCR)
November 1, 1992 – November 30, 1992
Archived
Maximum Contaminant Level Violation, Average
Health-based
Barium
June 1, 1986 – January 2, 1987
Resolved
Maximum Contaminant Level Violation, Average
Health-based
Gross Alpha, Excl. Radon and U
October 1, 1984 – January 2, 1987
Resolved
Maximum Contaminant Level Violation, Average
Health-based
Barium
June 1, 1980 – May 31, 1983
Archived
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)Resolved addressed and confirmed by the state

Period	Violation	Contaminant / rule	Health-based	Status
March 1, 1994 – March 31, 1994	Maximum Contaminant Level Violation, Monthly (TCR)	Coliform (TCR)	Health-based	Archived
March 1, 1994 – March 31, 1994	Monitoring, Repeat Minor (TCR)	Coliform (TCR)	—	Archived
November 1, 1992 – November 30, 1992	Maximum Contaminant Level Violation, Monthly (TCR)	Coliform (TCR)	Health-based	Archived
June 1, 1986 – January 2, 1987	Maximum Contaminant Level Violation, Average	Barium	Health-based	Resolved
October 1, 1984 – January 2, 1987	Maximum Contaminant Level Violation, Average	Gross Alpha, Excl. Radon and U	Health-based	Resolved
June 1, 1980 – May 31, 1983	Maximum Contaminant Level Violation, Average	Barium	Health-based	Archived
June 30, 1977 – June 29, 1981	Monitoring, Regular	Gross Alpha, Excl. Radon and U	—	Archived

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

Enforcement actions

May 5, 1994State Public Notification requested2 linked violations
May 5, 1994State Violation/Reminder Notice1 linked violation
May 5, 1994State Violation/Reminder Notice2 linked violations
May 5, 1994State Violation/Reminder Notice1 linked violation
May 5, 1994State Public Notification requested1 linked violation
May 5, 1994State Public Notification requested1 linked violation
December 26, 1992State Public Notification requested2 linked violations
December 26, 1992State Violation/Reminder Notice2 linked violations

Contact

NEBEL, JOSEPH

847-440-6800

HOFFMAN ESTATES, IL 60169