Is HUNTLEY required to publish a Consumer Confidence Report?

Yes. HUNTLEY 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 HUNTLEY’s next Consumer Confidence Report due?

HUNTLEY’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.

HUNTLEY, IL · McHenry County

HUNTLEY Water System

Consumer Confidence Report status

HUNTLEY 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 HUNTLEY.

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): IL1110350
System type: Community Water System
Population served: 28,495
Service connections: 12,956
Ownership: local government
Water source: groundwater (wells)

HUNTLEY is one of 225 community water systems in Illinois in the 10,001 to 100,000 people size category, serving 28,495 people from groundwater.

As of August 1, 2026, its federal record holds 13 entries between 1977 and 2025, all of which EPA lists as closed.

Of the 13, 6 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, inorganic chemicals, and the Radionuclides and Revised Rad Rule.

Violation history

Maximum Contaminant Level Violation, E. coli (RTCR)
Health-based
Revised Total Coliform Rule
July 1, 2025 – July 31, 2025
Archived
Monitoring, Regular
—
Combined Radium (-226 and -228)
July 1, 2006 – August 30, 2006
Resolved
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
April 1, 1998 – April 30, 1998
Archived
Maximum Contaminant Level Violation, Average
Health-based
Barium
July 1, 1997 – September 19, 1997
Resolved
Monitoring, Repeat Major (TCR)
—
Coliform (TCR)
June 1, 1997 – June 30, 1997
Archived
Maximum Contaminant Level Violation, Monthly (TCR)
Health-based
Coliform (TCR)
June 1, 1997 – June 30, 1997
Archived
Maximum Contaminant Level Violation, Average
Health-based
Barium
April 1, 1997 – June 30, 1997
Resolved
Maximum Contaminant Level Violation, Average
Health-based
Barium
January 1, 1997 – March 31, 1997
Resolved
Maximum Contaminant Level Violation, Average
Health-based
Barium
October 1, 1996 – December 31, 1996
Resolved
Maximum Contaminant Level Violation, Average
Health-based
Barium
October 1, 1995 – December 31, 1995
Resolved
Monitoring, Routine Minor (TCR)
—
Coliform (TCR)
January 1, 1995 – January 31, 1995
Archived
Monitoring, Routine Minor (TCR)
—
Coliform (TCR)
November 1, 1994 – November 30, 1994
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
July 1, 2025 – July 31, 2025	Maximum Contaminant Level Violation, E. coli (RTCR)	Revised Total Coliform Rule	Health-based	Archived
July 1, 2006 – August 30, 2006	Monitoring, Regular	Combined Radium (-226 and -228)	—	Resolved
April 1, 1998 – April 30, 1998	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Archived
July 1, 1997 – September 19, 1997	Maximum Contaminant Level Violation, Average	Barium	Health-based	Resolved
June 1, 1997 – June 30, 1997	Monitoring, Repeat Major (TCR)	Coliform (TCR)	—	Archived
June 1, 1997 – June 30, 1997	Maximum Contaminant Level Violation, Monthly (TCR)	Coliform (TCR)	Health-based	Archived
April 1, 1997 – June 30, 1997	Maximum Contaminant Level Violation, Average	Barium	Health-based	Resolved
January 1, 1997 – March 31, 1997	Maximum Contaminant Level Violation, Average	Barium	Health-based	Resolved
October 1, 1996 – December 31, 1996	Maximum Contaminant Level Violation, Average	Barium	Health-based	Resolved
October 1, 1995 – December 31, 1995	Maximum Contaminant Level Violation, Average	Barium	Health-based	Resolved
January 1, 1995 – January 31, 1995	Monitoring, Routine Minor (TCR)	Coliform (TCR)	—	Archived
November 1, 1994 – November 30, 1994	Monitoring, Routine Minor (TCR)	Coliform (TCR)	—	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

February 13, 2026State Formal Notice of Violation issued1 linked violation
October 16, 2025State Public Notification requested1 linked violation
October 16, 2025State Violation/Reminder Notice1 linked violation
October 16, 2025State Boil Water Order1 linked violation
October 16, 2025State Bilateral Compliance Agreement signedgeneral compliance action — not tied to a specific violation on record
October 16, 2025State Compliance achievedgeneral compliance action — not tied to a specific violation on record
October 16, 2025State Public Notification received1 linked violation
October 16, 2025State Violation/Reminder Notice1 linked violation
October 16, 2025State Public Notification requested1 linked violation
October 16, 2025State Formal Notice of Violation issuedgeneral compliance action — not tied to a specific violation on record
May 30, 2008State Public Notification received1 linked violation
April 23, 2008State Formal Notice of Violation issued1 linked violation
April 16, 2008State Violation/Reminder Notice1 linked violation
April 16, 2008State Public Notification requested1 linked violation
April 14, 2008State Compliance achieved1 linked violation
February 28, 2008State Public Notification received1 linked violation
January 17, 2008State Violation/Reminder Notice1 linked violation
January 17, 2008State Public Notification requested1 linked violation
January 3, 2008State Bilateral Compliance Agreement signed2 linked violations
January 3, 2008State Compliance achieved2 linked violations
December 3, 2007State Public Notification received1 linked violation
November 30, 2007State Public Notification received1 linked violation
November 28, 2007State Formal Notice of Violation issued2 linked violations
October 18, 2007State Public Notification requested1 linked violation
October 18, 2007State Violation/Reminder Notice1 linked violation
October 12, 2006State Violation/Reminder Notice1 linked violation
August 30, 2006State Compliance achieved1 linked violation
March 3, 1999State Compliance achieved1 linked violation
June 27, 1998State Violation/Reminder Notice1 linked violation
June 27, 1998State Public Notification requested1 linked violation
October 6, 1997State Public Notification received1 linked violation
September 30, 1997State Compliance achieved1 linked violation
September 19, 1997State Compliance achieved3 linked violations
September 18, 1997State Violation/Reminder Notice1 linked violation
September 18, 1997State Public Notification requested1 linked violation
August 30, 1997State Public Notification requested2 linked violations
August 30, 1997State Violation/Reminder Notice2 linked violations
August 19, 1997State Compliance achieved4 linked violations
July 1, 1997State Public Notification requested1 linked violation
July 1, 1997State Violation/Reminder Notice1 linked violation
April 1, 1997State Public Notification requested1 linked violation
April 1, 1997State Violation/Reminder Notice1 linked violation
January 1, 1997State Violation/Reminder Notice1 linked violation
January 1, 1997State Public Notification requested1 linked violation
October 1, 1996State Violation/Reminder Notice1 linked violation
October 1, 1996State Public Notification requested1 linked violation
July 1, 1996State Public Notification requested1 linked violation
July 1, 1996State Violation/Reminder Notice1 linked violation
April 1, 1996State Violation/Reminder Notice1 linked violation
April 1, 1996State Public Notification requested1 linked violation
January 1, 1996State Violation/Reminder Notice1 linked violation
October 20, 1995State Public Notification received1 linked violation
May 4, 1995State Violation/Reminder Notice1 linked violation
March 30, 1995State Violation/Reminder Notice1 linked violation
March 30, 1995State Public Notification requested1 linked violation
March 20, 1995State Public Notification received1 linked violation
February 4, 1995State Public Notification requested1 linked violation
February 4, 1995State Violation/Reminder Notice1 linked violation
January 30, 1992State Public Notification received1 linked violation
January 11, 1992State Public Notification requested1 linked violation
June 16, 1990State Violation/Reminder Noticegeneral compliance action — not tied to a specific violation on record
June 16, 1990State Public Notification requestedgeneral compliance action — not tied to a specific violation on record
June 7, 1990State Public Notification receivedgeneral compliance action — not tied to a specific violation on record

Common questions

Is HUNTLEY required to publish a Consumer Confidence Report?: Yes. HUNTLEY 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 HUNTLEY’s next Consumer Confidence Report due?: HUNTLEY’s next Consumer Confidence Report is due by July 1, 2027. The report covers calendar year 2026.
Does HUNTLEY have any open drinking water violations on record?: As of August 1, 2026, EPA's federal records show no open violations for HUNTLEY.
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

FARRELL, TIMOTHY

847-515-5285

HUNTLEY, IL 60142