Is OTTER CREEK LAKE UTILITIES DISTRICT required to publish a Consumer Confidence Report?

Yes. OTTER CREEK LAKE UTILITIES DISTRICT 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 OTTER CREEK LAKE UTILITIES DISTRICT’s next Consumer Confidence Report due?

OTTER CREEK LAKE UTILITIES DISTRICT’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.

DAVIS, IL · Winnebago County

OTTER CREEK LAKE UTILITIES DISTRICT Water System

Consumer Confidence Report status

OTTER CREEK LAKE UTILITIES DISTRICT 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 OTTER CREEK LAKE UTILITIES DISTRICT.

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): IL2015320
System type: Community Water System
Population served: 2,342
Service connections: 1,374
Ownership: local government
Water source: groundwater (wells)

OTTER CREEK LAKE UTILITIES DISTRICT is one of 773 community water systems in Illinois in the 501 to 3,300 people size category, serving 2,342 people from groundwater.

As of August 1, 2026, its federal record holds 25 entries between 1977 and 2021, all of which EPA lists as closed. Nothing has been added since 2021.

All 25 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 volatile organic chemicals and the Radionuclides and Revised Rad Rule.

Violation history

Monitoring, Regular
—
Combined Radium (-226 and -228)
October 1, 2021 – December 31, 2021
Resolved
Monitoring, Regular
—
1,2-Dichloroethane
April 1, 1993 – June 30, 1993
Resolved
Monitoring, Regular
—
Trichloroethylene
April 1, 1993 – June 30, 1993
Resolved
Monitoring, Regular
—
Tetrachloroethylene
April 1, 1993 – June 30, 1993
Resolved
Monitoring, Regular
—
CHLOROBENZENE
April 1, 1993 – June 30, 1993
Resolved
Monitoring, Regular
—
Benzene
April 1, 1993 – June 30, 1993
Resolved
Monitoring, Regular
—
Toluene
April 1, 1993 – June 30, 1993
Resolved
Monitoring, Regular
—
Ethylbenzene
April 1, 1993 – June 30, 1993
Resolved
Monitoring, Regular
—
Styrene
April 1, 1993 – June 30, 1993
Resolved
Monitoring, Regular
—
cis-1,2-Dichloroethylene
April 1, 1993 – June 30, 1993
Resolved
Monitoring, Regular
—
Xylenes, Total
April 1, 1993 – June 30, 1993
Resolved
Monitoring, Regular
—
o-Dichlorobenzene
April 1, 1993 – June 30, 1993
Resolved
Monitoring, Regular
—
p-Dichlorobenzene
April 1, 1993 – June 30, 1993
Resolved
Monitoring, Regular
—
1,1-Dichloroethylene
April 1, 1993 – June 30, 1993
Resolved
Monitoring, Regular
—
trans-1,2-Dichloroethylene
April 1, 1993 – June 30, 1993
Resolved
Monitoring, Regular
—
1,1,1-Trichloroethane
April 1, 1993 – June 30, 1993
Resolved
Monitoring, Regular
—
Carbon tetrachloride
April 1, 1993 – June 30, 1993
Resolved
Monitoring, Regular
—
1,2-Dichloropropane
April 1, 1993 – June 30, 1993
Resolved
Monitoring, Regular
—
Ethylbenzene
July 1, 1992 – September 30, 1992
Resolved
Monitoring, Regular
—
1,2-Dichloropropane
July 1, 1992 – September 30, 1992
Resolved
Monitoring, Regular
—
Toluene
July 1, 1992 – September 30, 1992
Resolved
Monitoring, Regular
—
p-Dichlorobenzene
July 1, 1992 – September 30, 1992
Resolved
Monitoring, Regular
—
cis-1,2-Dichloroethylene
July 1, 1992 – September 30, 1992
Resolved
Monitoring, Regular
—
Xylenes, Total
July 1, 1992 – September 30, 1992
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, 2021 – December 31, 2021	Monitoring, Regular	Combined Radium (-226 and -228)	—	Resolved
April 1, 1993 – June 30, 1993	Monitoring, Regular	1,2-Dichloroethane	—	Resolved
April 1, 1993 – June 30, 1993	Monitoring, Regular	Trichloroethylene	—	Resolved
April 1, 1993 – June 30, 1993	Monitoring, Regular	Tetrachloroethylene	—	Resolved
April 1, 1993 – June 30, 1993	Monitoring, Regular	CHLOROBENZENE	—	Resolved
April 1, 1993 – June 30, 1993	Monitoring, Regular	Benzene	—	Resolved
April 1, 1993 – June 30, 1993	Monitoring, Regular	Toluene	—	Resolved
April 1, 1993 – June 30, 1993	Monitoring, Regular	Ethylbenzene	—	Resolved
April 1, 1993 – June 30, 1993	Monitoring, Regular	Styrene	—	Resolved
April 1, 1993 – June 30, 1993	Monitoring, Regular	cis-1,2-Dichloroethylene	—	Resolved
April 1, 1993 – June 30, 1993	Monitoring, Regular	Xylenes, Total	—	Resolved
April 1, 1993 – June 30, 1993	Monitoring, Regular	o-Dichlorobenzene	—	Resolved
April 1, 1993 – June 30, 1993	Monitoring, Regular	p-Dichlorobenzene	—	Resolved
April 1, 1993 – June 30, 1993	Monitoring, Regular	1,1-Dichloroethylene	—	Resolved
April 1, 1993 – June 30, 1993	Monitoring, Regular	trans-1,2-Dichloroethylene	—	Resolved
April 1, 1993 – June 30, 1993	Monitoring, Regular	1,1,1-Trichloroethane	—	Resolved
April 1, 1993 – June 30, 1993	Monitoring, Regular	Carbon tetrachloride	—	Resolved
April 1, 1993 – June 30, 1993	Monitoring, Regular	1,2-Dichloropropane	—	Resolved
July 1, 1992 – September 30, 1992	Monitoring, Regular	Ethylbenzene	—	Resolved
July 1, 1992 – September 30, 1992	Monitoring, Regular	1,2-Dichloropropane	—	Resolved
July 1, 1992 – September 30, 1992	Monitoring, Regular	Toluene	—	Resolved
July 1, 1992 – September 30, 1992	Monitoring, Regular	p-Dichlorobenzene	—	Resolved
July 1, 1992 – September 30, 1992	Monitoring, Regular	cis-1,2-Dichloroethylene	—	Resolved
July 1, 1992 – September 30, 1992	Monitoring, Regular	Xylenes, Total	—	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 3, 2025State Public Notification requested1 linked violation
July 3, 2025State Violation/Reminder Notice1 linked violation
March 10, 2022State Compliance achieved1 linked violation
January 19, 2022State Violation/Reminder Notice1 linked violation
January 19, 2022State Violation/Reminder Noticegeneral compliance action — not tied to a specific violation on record
January 25, 2008State Compliance achieved1 linked violation
January 15, 2008State Violation/Reminder Notice1 linked violation
November 16, 1993State Compliance achieved1 linked violation
November 16, 1993State Compliance achieved1 linked violation
November 16, 1993State Compliance achieved1 linked violation
November 16, 1993State Compliance achieved1 linked violation
November 16, 1993State Compliance achieved1 linked violation
November 16, 1993State Compliance achieved1 linked violation
November 16, 1993State Compliance achieved1 linked violation
November 16, 1993State Compliance achieved1 linked violation
November 16, 1993State Compliance achieved1 linked violation
November 16, 1993State Compliance achieved1 linked violation
November 16, 1993State Compliance achieved1 linked violation
November 16, 1993State Compliance achieved17 linked violations
November 16, 1993State Compliance achieved1 linked violation
November 16, 1993State Compliance achieved1 linked violation
November 16, 1993State Compliance achieved1 linked violation
November 16, 1993State Compliance achieved1 linked violation
November 16, 1993State Compliance achieved1 linked violation
November 16, 1993State Compliance achieved1 linked violation
August 24, 1993State Public Notification requested17 linked violations
August 24, 1993State Violation/Reminder Notice17 linked violations
February 19, 1993State Compliance achieved17 linked violations
January 21, 1993State Public Notification received1 linked violation
January 16, 1993State Violation/Reminder Notice1 linked violation
January 16, 1993State Public Notification requested1 linked violation
December 8, 1992State Public Notification requested19 linked violations
December 8, 1992State Violation/Reminder Notice20 linked violations

Common questions

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

KINNEY, STEVEN R.

815-248-2843

DAVIS, IL 61019