Is VERNON HILLS - LAKE CO PW required to publish a Consumer Confidence Report?

Yes. VERNON HILLS - LAKE CO PW is a community water system, and federal rules (40 CFR 141 Subpart O) require every community water system to publish a Consumer Confidence Report each year.

When is VERNON HILLS - LAKE CO PW’s next Consumer Confidence Report due?

VERNON HILLS - LAKE CO PW’s next Consumer Confidence Report is due by July 1, 2027. The report covers calendar year 2026.

What is a Consumer Confidence Report?

A Consumer Confidence Report (CCR) is the annual drinking water quality report that community water systems must provide to the people they serve. It lists the contaminants detected in the system’s water during the year, where the water comes from, and how the results compare with federal limits. EPA’s revised CCR rule takes effect January 1, 2027, and the first reports in the new format are due July 1, 2027.

IL · Lake County

VERNON HILLS - LAKE CO PW Water System

Consumer Confidence Report status

VERNON HILLS - LAKE CO PW must publish a Consumer Confidence Report — the annual drinking water quality report covering calendar year 2026 — by July 1, 2027.

As of August 1, 2026, EPA's federal records show no open violations for VERNON HILLS - LAKE CO PW.

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): IL0971750
System type: Community Water System
Population served: 33,207
Service connections: 11,069
Ownership: local government
Water source: surface water (rivers, lakes, or reservoirs)

VERNON HILLS - LAKE CO PW is one of 225 community water systems in Illinois in the 10,001 to 100,000 people size category, serving 33,207 people from surface water.

As of August 1, 2026, its federal record holds 8 entries between 1977 and 2024, all of which EPA lists as closed.

Of the 8, 4 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 Total Coliform Rules, the Radionuclides and Revised Rad Rule, and the Stage 2 Disinfectants and Disinfection Byproducts Rule.

Violation history

Monitoring and Reporting (DBP)
—
TTHM
July 1, 2024 – September 30, 2024
Resolved
Consumer Confidence Report Inadequate Reporting
—
Consumer Confidence Rule
July 1, 2012 – July 10, 2013
Resolved
Monitoring, Routine Minor (TCR)
—
Coliform (TCR)
June 1, 1995 – June 30, 1995
Archived
Monitoring, Repeat Minor (TCR)
—
Coliform (TCR)
August 1, 1994 – August 31, 1994
Archived
Maximum Contaminant Level Violation, Monthly (TCR)
Health-based
Coliform (TCR)
August 1, 1994 – August 31, 1994
Archived
Maximum Contaminant Level Violation, Average
Health-based
Combined Radium (-226 and -228)
December 1, 1989 – June 30, 1992
Resolved
Maximum Contaminant Level Violation, Average
Health-based
Combined Radium (-226 and -228)
December 9, 1985 – December 8, 1989
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
July 1, 2024 – September 30, 2024	Monitoring and Reporting (DBP)	TTHM	—	Resolved
July 1, 2012 – July 10, 2013	Consumer Confidence Report Inadequate Reporting	Consumer Confidence Rule	—	Resolved
June 1, 1995 – June 30, 1995	Monitoring, Routine Minor (TCR)	Coliform (TCR)	—	Archived
August 1, 1994 – August 31, 1994	Monitoring, Repeat Minor (TCR)	Coliform (TCR)	—	Archived
August 1, 1994 – August 31, 1994	Maximum Contaminant Level Violation, Monthly (TCR)	Coliform (TCR)	Health-based	Archived
December 1, 1989 – June 30, 1992	Maximum Contaminant Level Violation, Average	Combined Radium (-226 and -228)	Health-based	Resolved
December 9, 1985 – December 8, 1989	Maximum Contaminant Level Violation, Average	Combined Radium (-226 and -228)	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

June 30, 2025State Public Notification received1 linked violation
November 12, 2024State Compliance achieved1 linked violation
October 15, 2024State Public Notification requested1 linked violation
October 15, 2024State Violation/Reminder Notice1 linked violation
July 10, 2013State Compliance achieved1 linked violation
August 23, 2012State Violation/Reminder Notice1 linked violation
September 22, 1995State Public Notification received1 linked violation
September 2, 1995State Public Notification requested1 linked violation
September 2, 1995State Violation/Reminder Notice1 linked violation
October 29, 1994State Public Notification requested2 linked violations
October 29, 1994State Violation/Reminder Notice2 linked violations
September 16, 1994State Public Notification received1 linked violation
September 16, 1994State Public Notification received2 linked violations
September 16, 1994State Public Notification received1 linked violation
August 17, 1994State Public Notification received1 linked violation
August 17, 1994State Public Notification received2 linked violations
August 17, 1994State Public Notification received1 linked violation
June 30, 1992State Compliance achieved2 linked violations
March 23, 1992State Public Notification received1 linked violation
December 16, 1991State Public Notification received1 linked violation
September 26, 1991State Public Notification received1 linked violation
July 10, 1991State Public Notification received1 linked violation
March 20, 1991State Public Notification received1 linked violation
December 11, 1990State Public Notification received2 linked violations
September 20, 1990State Public Notification received1 linked violation
April 15, 1990State Public Notification received1 linked violation
March 14, 1990State Public Notification received1 linked violation

Common questions

Is VERNON HILLS - LAKE CO PW required to publish a Consumer Confidence Report?: Yes. VERNON HILLS - LAKE CO PW is a community water system, and federal rules (40 CFR 141 Subpart O) require every community water system to publish a Consumer Confidence Report each year.
When is VERNON HILLS - LAKE CO PW’s next Consumer Confidence Report due?: VERNON HILLS - LAKE CO PW’s next Consumer Confidence Report is due by July 1, 2027. The report covers calendar year 2026.
Does VERNON HILLS - LAKE CO PW have any open drinking water violations on record?: As of August 1, 2026, EPA's federal records show no open violations for VERNON HILLS - LAKE CO PW.
What is a Consumer Confidence Report?: A Consumer Confidence Report (CCR) is the annual drinking water quality report that community water systems must provide to the people they serve. It lists the contaminants detected in the system’s water during the year, where the water comes from, and how the results compare with federal limits. EPA’s revised CCR rule takes effect January 1, 2027, and the first reports in the new format are due July 1, 2027.

Contact

Not on record

Phone not on record