Is MERRIONETTE PARK required to publish a Consumer Confidence Report?

Yes. MERRIONETTE PARK 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 MERRIONETTE PARK’s next Consumer Confidence Report due?

MERRIONETTE PARK’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.

MERRIONETTE PARK, IL · Cook County

MERRIONETTE PARK Water System

Consumer Confidence Report status

MERRIONETTE PARK 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 2 items for MERRIONETTE PARK that are open and awaiting resolution. None are health-based violations — open items of this kind are most often monitoring or reporting requirements, not water-safety findings.

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): IL0311890
System type: Community Water System
Population served: 1,969
Service connections: 572
Ownership: local government
Water source: surface water (rivers, lakes, or reservoirs)

MERRIONETTE PARK is one of 773 community water systems in Illinois in the 501 to 3,300 people size category, serving 1,969 people from surface water.

As of August 1, 2026, its federal record holds 15 entries between 1993 and 2025, of which 2 remain open; none are health-based.

Of the 15, 5 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 Consumer Confidence Rule, the Public Notice Rule and Revised PN Rule, and the Stage 2 Disinfectants and Disinfection Byproducts Rule.

Violation history

Consumer Confidence Report Inadequate Reporting
—
Consumer Confidence Rule
July 1, 2025
Unaddressed
Monitoring and Reporting (DBP)
—
TTHM
January 1, 2025 – December 31, 2025
Archived
Monitoring and Reporting (DBP)
—
Total Haloacetic Acids (HAA5)
January 1, 2025 – December 31, 2025
Archived
Consumer Confidence Report Inadequate Reporting
—
Consumer Confidence Rule
July 1, 2024
Unaddressed
Consumer Confidence Report Complete Failure to Report
—
Consumer Confidence Rule
July 1, 2023 – July 31, 2023
Resolved
Public Notification Violation for NPDWR Violation
—
Public Notice
October 13, 2007 – November 27, 2007
Resolved
Public Notification Violation without NPDWR Violation
—
Public Notice
October 13, 2007 – November 27, 2007
Resolved
Consumer Confidence Report Complete Failure to Report
—
Consumer Confidence Rule
July 1, 2007 – August 1, 2007
Resolved
Public Notification Violation for NPDWR Violation
—
Public Notice
November 10, 2006 – April 1, 2011
Resolved
Public Notification Violation without NPDWR Violation
—
Public Notice
November 10, 2006 – April 1, 2011
Resolved
Follow-up Or Routine LCR Tap M/R
—
Lead and Copper Rule
October 1, 2005 – September 19, 2007
Resolved
Consumer Confidence Report Inadequate Reporting
—
Consumer Confidence Rule
July 1, 2004 – August 27, 2005
Resolved
Monitoring, Routine Minor (TCR)
—
Coliform (TCR)
July 1, 2003 – July 31, 2003
Resolved
Consumer Confidence Report Inadequate Reporting
—
Consumer Confidence Rule
July 1, 2002 – November 18, 2004
Resolved
Initial Tap Sampling for Pb and Cu
—
Lead and Copper Rule
October 1, 1993 – June 30, 1994
Resolved

Unaddressed no corrective action on record yetArchived 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	Consumer Confidence Report Inadequate Reporting	Consumer Confidence Rule	—	Unaddressed
January 1, 2025 – December 31, 2025	Monitoring and Reporting (DBP)	TTHM	—	Archived
January 1, 2025 – December 31, 2025	Monitoring and Reporting (DBP)	Total Haloacetic Acids (HAA5)	—	Archived
July 1, 2024	Consumer Confidence Report Inadequate Reporting	Consumer Confidence Rule	—	Unaddressed
July 1, 2023 – July 31, 2023	Consumer Confidence Report Complete Failure to Report	Consumer Confidence Rule	—	Resolved
October 13, 2007 – November 27, 2007	Public Notification Violation for NPDWR Violation	Public Notice	—	Resolved
October 13, 2007 – November 27, 2007	Public Notification Violation without NPDWR Violation	Public Notice	—	Resolved
July 1, 2007 – August 1, 2007	Consumer Confidence Report Complete Failure to Report	Consumer Confidence Rule	—	Resolved
November 10, 2006 – April 1, 2011	Public Notification Violation for NPDWR Violation	Public Notice	—	Resolved
November 10, 2006 – April 1, 2011	Public Notification Violation without NPDWR Violation	Public Notice	—	Resolved
October 1, 2005 – September 19, 2007	Follow-up Or Routine LCR Tap M/R	Lead and Copper Rule	—	Resolved
July 1, 2004 – August 27, 2005	Consumer Confidence Report Inadequate Reporting	Consumer Confidence Rule	—	Resolved
July 1, 2003 – July 31, 2003	Monitoring, Routine Minor (TCR)	Coliform (TCR)	—	Resolved
July 1, 2002 – November 18, 2004	Consumer Confidence Report Inadequate Reporting	Consumer Confidence Rule	—	Resolved
October 1, 1993 – June 30, 1994	Initial Tap Sampling for Pb and Cu	Lead and Copper Rule	—	Resolved

Unaddressed no corrective action on record yetArchived closed in EPA's records (typically due to age or a data correction)Resolved addressed and confirmed by the state

Enforcement actions

January 13, 2026State Public Notification requested1 linked violation
January 13, 2026State Violation/Reminder Notice1 linked violation
November 4, 2025State Violation/Reminder Notice1 linked violation
October 14, 2025State Public Notification requested1 linked violation
October 14, 2025State Violation/Reminder Notice1 linked violation
January 9, 2025State Violation/Reminder Notice1 linked violation
July 31, 2023State Compliance achieved1 linked violation
July 24, 2023State Violation/Reminder Notice1 linked violation
April 1, 2011State Intentional no-action2 linked violations
November 27, 2007State Public Notification received1 linked violation
November 27, 2007State Compliance achieved2 linked violations
November 15, 2007State Violation/Reminder Notice2 linked violations
September 19, 2007State Compliance achieved3 linked violations
August 1, 2007State Compliance achieved1 linked violation
July 16, 2007State Violation/Reminder Notice1 linked violation
December 12, 2006State Violation/Reminder Notice2 linked violations
October 12, 2006State Public Notification requested2 linked violations
June 27, 2006State Bilateral Compliance Agreement signed2 linked violations
May 15, 2006State Formal Notice of Violation issued3 linked violations
April 11, 2006State Bilateral Compliance Agreement signed2 linked violations
November 21, 2005State Formal Notice of Violation issued2 linked violations
November 9, 2005State Violation/Reminder Notice2 linked violations
November 9, 2005State Public Notification requested1 linked violation
September 13, 2005State Violation/Reminder Notice4 linked violations
August 27, 2005State Compliance achieved3 linked violations
February 7, 2005State Violation/Reminder Notice2 linked violations
February 7, 2005State Public Notification requested1 linked violation
January 5, 2005State Formal Notice of Violation issued3 linked violations
September 11, 2003State Public Notification requested2 linked violations
September 18, 1994State Violation/Reminder Noticegeneral compliance action — not tied to a specific violation on record
September 18, 1994State Public Notification requestedgeneral compliance action — not tied to a specific violation on record
August 20, 1994State Public Notification requestedgeneral compliance action — not tied to a specific violation on record
December 1, 1990State Violation/Reminder Notice1 linked violation

Common questions

Is MERRIONETTE PARK required to publish a Consumer Confidence Report?: Yes. MERRIONETTE PARK 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 MERRIONETTE PARK’s next Consumer Confidence Report due?: MERRIONETTE PARK’s next Consumer Confidence Report is due by July 1, 2027. The report covers calendar year 2026.
Does MERRIONETTE PARK have any open drinking water violations on record?: As of August 1, 2026, EPA's federal records show 2 items for MERRIONETTE PARK that are open and awaiting resolution. None are health-based violations — open items of this kind are most often monitoring or reporting requirements, not water-safety findings.
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

NEVAREZ JR., JOSE A.

708-396-3183

MERRIONETTE PARK, IL 60803