Is CHESTER required to publish a Consumer Confidence Report?

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

CHESTER’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.

CHESTER, IL · Randolph County

CHESTER Water System

Consumer Confidence Report status

CHESTER 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 CHESTER.

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): IL1570100
System type: Community Water System
Population served: 8,407
Service connections: 2,826
Ownership: local government
Water source: surface water (rivers, lakes, or reservoirs)

CHESTER is one of 248 community water systems in Illinois in the 3,301 to 10,000 people size category, serving 8,407 people from surface water.

As of August 1, 2026, its federal record holds 29 entries between 1977 and 2026, all of which EPA lists as closed.

Of the 29, 21 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 Surface Water Treatment Rules, the Public Notice Rule and Revised PN Rule, and the Stage 1 Disinfectants and Disinfection Byproducts Rule.

Violation history

Monitoring, Regular
—
Simazine
January 1, 2026 – March 31, 2026
Archived
Monitoring, Regular
—
Atrazine
January 1, 2026 – March 31, 2026
Archived
Public Notification Violation for NPDWR Violation
—
Public Notice
March 16, 2013 – March 18, 2013
Resolved
Monthly Turbidity Exceed (Enhanced SWTR)
Health-based
Interim Enhanced Surface Water Treatment Rule
January 1, 2013 – January 31, 2013
Resolved
Monitoring and Reporting (DBP)
—
Chlorine
January 1, 2012 – March 21, 2012
Resolved
Treatment Technique Precursor Removal
Health-based
CARBON, TOTAL
January 1, 2012 – March 31, 2012
Resolved
Monitoring and Reporting (DBP)
—
Chlorine
April 1, 2011 – June 30, 2011
Resolved
Treatment Technique (SWTR and GWR)
Health-based
Surface Water Treatment Rule
February 1, 2008 – February 29, 2008
Resolved
Public Notification Violation for NPDWR Violation
—
Public Notice
November 9, 2003 – March 15, 2004
Resolved
Public Notification Violation without NPDWR Violation
—
Public Notice
November 9, 2003 – March 15, 2004
Resolved
Maximum Contaminant Level Violation, Monthly (TCR)
Health-based
Coliform (TCR)
August 1, 2003 – August 18, 2003
Resolved
Maximum Contaminant Level Violation, Acute (TCR)
Health-based
Coliform (TCR)
August 1, 2003 – August 31, 2003
Archived
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
April 1, 2000 – April 30, 2000
Archived
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
March 1, 2000 – March 31, 2000
Archived
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
February 1, 2000 – February 29, 2000
Archived
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
January 1, 2000 – January 31, 2000
Archived
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
December 1, 1999 – December 31, 1999
Resolved
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
November 1, 1999 – November 30, 1999
Archived
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
August 1, 1994 – August 31, 1994
Archived
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
June 1, 1994 – June 30, 1994
Archived
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
April 1, 1994 – April 30, 1994
Archived
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
March 1, 1994 – March 31, 1994
Archived
Monitoring, Routine Minor (TCR)
—
Coliform (TCR)
January 1, 1994 – January 31, 1994
Archived
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
January 1, 1994 – January 31, 1994
Archived
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
October 1, 1993 – October 31, 1993
Archived
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
September 1, 1993 – September 30, 1993
Archived
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
August 1, 1993 – August 31, 1993
Archived
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
July 1, 1993 – July 31, 1993
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
January 1, 2026 – March 31, 2026	Monitoring, Regular	Simazine	—	Archived
January 1, 2026 – March 31, 2026	Monitoring, Regular	Atrazine	—	Archived
March 16, 2013 – March 18, 2013	Public Notification Violation for NPDWR Violation	Public Notice	—	Resolved
January 1, 2013 – January 31, 2013	Monthly Turbidity Exceed (Enhanced SWTR)	Interim Enhanced Surface Water Treatment Rule	Health-based	Resolved
January 1, 2012 – March 21, 2012	Monitoring and Reporting (DBP)	Chlorine	—	Resolved
January 1, 2012 – March 31, 2012	Treatment Technique Precursor Removal	CARBON, TOTAL	Health-based	Resolved
April 1, 2011 – June 30, 2011	Monitoring and Reporting (DBP)	Chlorine	—	Resolved
February 1, 2008 – February 29, 2008	Treatment Technique (SWTR and GWR)	Surface Water Treatment Rule	Health-based	Resolved
November 9, 2003 – March 15, 2004	Public Notification Violation for NPDWR Violation	Public Notice	—	Resolved
November 9, 2003 – March 15, 2004	Public Notification Violation without NPDWR Violation	Public Notice	—	Resolved
August 1, 2003 – August 18, 2003	Maximum Contaminant Level Violation, Monthly (TCR)	Coliform (TCR)	Health-based	Resolved
August 1, 2003 – August 31, 2003	Maximum Contaminant Level Violation, Acute (TCR)	Coliform (TCR)	Health-based	Archived
April 1, 2000 – April 30, 2000	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Archived
March 1, 2000 – March 31, 2000	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Archived
February 1, 2000 – February 29, 2000	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Archived
January 1, 2000 – January 31, 2000	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Archived
December 1, 1999 – December 31, 1999	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Resolved
November 1, 1999 – November 30, 1999	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Archived
August 1, 1994 – August 31, 1994	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Archived
June 1, 1994 – June 30, 1994	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Archived
April 1, 1994 – April 30, 1994	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Archived
March 1, 1994 – March 31, 1994	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Archived
January 1, 1994 – January 31, 1994	Monitoring, Routine Minor (TCR)	Coliform (TCR)	—	Archived
January 1, 1994 – January 31, 1994	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Archived
October 1, 1993 – October 31, 1993	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Archived
September 1, 1993 – September 30, 1993	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Archived
August 1, 1993 – August 31, 1993	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Archived
July 1, 1993 – July 31, 1993	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	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

April 11, 2013State Violation/Reminder Notice1 linked violation
March 25, 2013State Public Notification received1 linked violation
March 18, 2013State Compliance achieved1 linked violation
March 6, 2013State Compliance achieved1 linked violation
February 20, 2013State Formal Notice of Violation issued1 linked violation
February 13, 2013State Violation/Reminder Notice1 linked violation
February 13, 2013State Public Notification requested1 linked violation
June 29, 2012State Compliance achieved1 linked violation
May 21, 2012State Public Notification received3 linked violations
May 1, 2012State Formal Notice of Violation issued1 linked violation
April 16, 2012State Violation/Reminder Notice1 linked violation
April 16, 2012State Public Notification requested1 linked violation
March 21, 2012State Compliance achieved2 linked violations
March 14, 2012State Violation/Reminder Notice1 linked violation
March 14, 2012State Public Notification requested1 linked violation
March 14, 2012State Violation/Reminder Notice1 linked violation
March 14, 2012State Public Notification requested1 linked violation
July 18, 2011State Compliance achieved1 linked violation
July 15, 2011State Violation/Reminder Notice1 linked violation
May 8, 2008State Compliance achieved2 linked violations
April 18, 2008State Bilateral Compliance Agreement signed2 linked violations
April 15, 2008State Public Notification received2 linked violations
April 14, 2008State Violation/Reminder Notice1 linked violation
April 14, 2008State Public Notification requested1 linked violation
April 2, 2008State Formal Notice of Violation issued2 linked violations
March 17, 2008State Violation/Reminder Notice1 linked violation
March 17, 2008State Public Notification requested1 linked violation
March 25, 2004State Violation/Reminder Notice1 linked violation
March 25, 2004State Public Notification requested1 linked violation
March 15, 2004State Public Notification received1 linked violation
March 15, 2004State Public Notification received1 linked violation
March 15, 2004State Compliance achieved2 linked violations
February 24, 2004State Violation/Reminder Notice1 linked violation
February 24, 2004State Violation/Reminder Notice1 linked violation
August 18, 2003State Compliance achieved1 linked violation
July 5, 2000State Public Notification requested2 linked violations
June 30, 2000State Compliance achieved1 linked violation
December 5, 1994State Compliance achieved1 linked violation
November 1, 1994State Violation/Reminder Notice1 linked violation
November 1, 1994State Public Notification requested1 linked violation
October 14, 1994State Public Notification received4 linked violations
October 12, 1994State Violation/Reminder Notice2 linked violations
October 12, 1994State Public Notification requested2 linked violations
August 1, 1994State Violation/Reminder Notice2 linked violations
April 27, 1994State Violation/Reminder Notice2 linked violations
April 27, 1994State Public Notification requested2 linked violations
March 28, 1994State Public Notification requested2 linked violations
March 28, 1994State Violation/Reminder Notice2 linked violations
March 17, 1994State Public Notification received1 linked violation
March 13, 1994State Public Notification requested1 linked violation
March 13, 1994State Violation/Reminder Notice1 linked violation
June 15, 1991State Violation/Reminder Noticegeneral compliance action — not tied to a specific violation on record
June 15, 1991State Public Notification requestedgeneral compliance action — not tied to a specific violation on record

Common questions

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

BERNEW, BETHANY

618-826-2326

CHESTER, IL 62233