Is LITTLE SWAN LAKE SD required to publish a Consumer Confidence Report?

Yes. LITTLE SWAN LAKE SD 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 LITTLE SWAN LAKE SD’s next Consumer Confidence Report due?

LITTLE SWAN LAKE SD’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.

MONMOUTH, IL · Warren County

LITTLE SWAN LAKE SD Water System

Consumer Confidence Report status

LITTLE SWAN LAKE SD 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 LITTLE SWAN LAKE SD.

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): IL1875050
System type: Community Water System
Population served: 438
Service connections: 175
Ownership: local government
Water source: groundwater (wells)

LITTLE SWAN LAKE SD is one of 1,572 community water systems in Illinois in the 500 or fewer people size category, serving 438 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, 9 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 Lead and Copper Rule, and inorganic chemicals.

Violation history

Follow-up Or Routine LCR Tap M/R
—
Lead and Copper Rule
July 1, 2025 – September 10, 2025
Resolved
Lead Consumer Notice
—
Lead and Copper Rule
December 30, 2022 – January 25, 2023
Resolved
Consumer Confidence Report Complete Failure to Report
—
Consumer Confidence Rule
July 1, 2011 – August 3, 2011
Resolved
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
April 1, 1998 – April 30, 1998
Archived
Maximum Contaminant Level Violation, Monthly (TCR)
Health-based
Coliform (TCR)
August 1, 1997 – August 31, 1997
Archived
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
January 1, 1997 – January 31, 1997
Archived
Monitoring, Routine Minor (TCR)
—
Coliform (TCR)
August 1, 1996 – August 31, 1996
Archived
Monitoring, Routine Minor (TCR)
—
Coliform (TCR)
April 1, 1995 – April 30, 1995
Archived
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
July 1, 1994 – July 31, 1994
Archived
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
May 1, 1992 – May 31, 1992
Archived
Maximum Contaminant Level Violation, Average
Health-based
Fluoride
June 1, 1984 – November 14, 1985
Resolved
Maximum Contaminant Level Violation, Average
Health-based
Fluoride
June 1, 1981 – May 31, 1984
Archived
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, 2025 – September 10, 2025	Follow-up Or Routine LCR Tap M/R	Lead and Copper Rule	—	Resolved
December 30, 2022 – January 25, 2023	Lead Consumer Notice	Lead and Copper Rule	—	Resolved
July 1, 2011 – August 3, 2011	Consumer Confidence Report Complete Failure to Report	Consumer Confidence Rule	—	Resolved
April 1, 1998 – April 30, 1998	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Archived
August 1, 1997 – August 31, 1997	Maximum Contaminant Level Violation, Monthly (TCR)	Coliform (TCR)	Health-based	Archived
January 1, 1997 – January 31, 1997	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Archived
August 1, 1996 – August 31, 1996	Monitoring, Routine Minor (TCR)	Coliform (TCR)	—	Archived
April 1, 1995 – April 30, 1995	Monitoring, Routine Minor (TCR)	Coliform (TCR)	—	Archived
July 1, 1994 – July 31, 1994	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Archived
May 1, 1992 – May 31, 1992	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Archived
June 1, 1984 – November 14, 1985	Maximum Contaminant Level Violation, Average	Fluoride	Health-based	Resolved
June 1, 1981 – May 31, 1984	Maximum Contaminant Level Violation, Average	Fluoride	Health-based	Archived
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

October 21, 2025State Violation/Reminder Notice1 linked violation
October 21, 2025State Public Notification requested1 linked violation
September 10, 2025State Compliance achieved1 linked violation
July 29, 2011State Violation/Reminder Notice2 linked violations
May 16, 2007State Violation/Reminder Notice3 linked violations
June 27, 1998State Public Notification requested1 linked violation
June 27, 1998State Violation/Reminder Notice1 linked violation
November 8, 1997State Public Notification requested1 linked violation
November 8, 1997State Violation/Reminder Notice1 linked violation
November 6, 1997State Public Notification received1 linked violation
November 9, 1996State Violation/Reminder Notice1 linked violation
November 9, 1996State Public Notification requested1 linked violation
November 7, 1996State Public Notification received1 linked violation
October 8, 1995State Violation/Reminder Notice1 linked violation
October 8, 1995State Public Notification requested1 linked violation
July 8, 1995State Public Notification received1 linked violation
July 8, 1995State Public Notification requested1 linked violation
July 8, 1995State Violation/Reminder Notice1 linked violation
October 9, 1994State Violation/Reminder Notice4 linked violations
July 18, 1992State Violation/Reminder Notice1 linked violation
July 20, 1991State Public Notification requestedgeneral compliance action — not tied to a specific violation on record
July 20, 1991State Violation/Reminder Noticegeneral compliance action — not tied to a specific violation on record

Common questions

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

NELSON, RICHARD

309-333-3762

MONMOUTH, IL 61462