LAKE FOREST, IL · Lake County

LAKE FOREST 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): IL0970800
System type: Community Water System
Population served: 19,642
Service connections: 6,925
Ownership: local government
Water source: surface water (rivers, lakes, or reservoirs)

Violation history

Follow-up Or Routine LCR Tap M/R
—
Lead and Copper Rule
October 1, 2023 – February 28, 2024
Resolved
Monitoring and Reporting (DBP)
—
TTHM
February 1, 2019 – April 30, 2019
Resolved
Monitoring and Reporting (DBP)
—
Total Haloacetic Acids (HAA5)
February 1, 2019 – April 30, 2019
Resolved
Monitoring and Reporting (DBP)
—
CARBON, TOTAL
July 1, 2004 – August 16, 2004
Resolved
Public Education
Health-based
Lead and Copper Rule
January 1, 1994 – February 5, 1995
Resolved
OCCT/SOWT Study/Recommendation
Health-based
Lead and Copper Rule
December 7, 1992 – August 30, 1993
Resolved
Monitoring, Regular
—
Gross Alpha, Excl. Radon and U
June 30, 1977 – June 29, 1981
Archived

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
October 1, 2023 – February 28, 2024	Follow-up Or Routine LCR Tap M/R	Lead and Copper Rule	—	Resolved
February 1, 2019 – April 30, 2019	Monitoring and Reporting (DBP)	TTHM	—	Resolved
February 1, 2019 – April 30, 2019	Monitoring and Reporting (DBP)	Total Haloacetic Acids (HAA5)	—	Resolved
July 1, 2004 – August 16, 2004	Monitoring and Reporting (DBP)	CARBON, TOTAL	—	Resolved
January 1, 1994 – February 5, 1995	Public Education	Lead and Copper Rule	Health-based	Resolved
December 7, 1992 – August 30, 1993	OCCT/SOWT Study/Recommendation	Lead and Copper Rule	Health-based	Resolved
June 30, 1977 – June 29, 1981	Monitoring, Regular	Gross Alpha, Excl. Radon and U	—	Archived

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

Enforcement actions

July 2, 2024State Public Notification received1 linked violation
February 28, 2024State Compliance achieved1 linked violation
October 11, 2023State Public Notification requested1 linked violation
October 11, 2023State Violation/Reminder Notice1 linked violation
June 30, 2020State Public Notification received2 linked violations
August 8, 2019State Compliance achieved2 linked violations
July 15, 2019State Violation/Reminder Notice2 linked violations
July 15, 2019State Public Notification requested2 linked violations
July 3, 2018State Compliance achieved1 linked violation
August 25, 2017State Violation/Reminder Notice1 linked violation
June 21, 2005State Public Notification received1 linked violation
September 28, 2004State Public Notification requested1 linked violation
September 28, 2004State Violation/Reminder Notice1 linked violation
August 16, 2004State Compliance achieved1 linked violation
February 5, 1995State Compliance achieved1 linked violation
August 30, 1993State Compliance achieved1 linked violation

Contact

TIEGS, MICHAEL L.

847-810-4651

LAKE FOREST, IL 60045