Is WINDHAM WATER WORKS required to publish a Consumer Confidence Report?

Yes. WINDHAM WATER WORKS 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 WINDHAM WATER WORKS’s next Consumer Confidence Report due?

WINDHAM WATER WORKS’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.

MANSFIELD CENTER, CT · Windham County

WINDHAM WATER WORKS Water System

Consumer Confidence Report status

WINDHAM WATER WORKS 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 WINDHAM WATER WORKS.

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 Connecticut’s official records. Always confirm current status with Connecticut before making decisions based on this information.

System facts

System ID (PWSID): CT1630011
System type: Community Water System
Population served: 21,214
Service connections: 4,956
Ownership: local government
Water source: surface water (rivers, lakes, or reservoirs)

WINDHAM WATER WORKS is one of 35 community water systems in Connecticut in the 10,001 to 100,000 people size category, serving 21,214 people from surface water.

As of August 1, 2026, its federal record holds 8 entries between 1991 and 2023, all of which EPA lists as closed. Nothing has been added since 2023.

Of the 8, 4 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 Consumer Confidence Rule, and the Stage 1 Disinfectants and Disinfection Byproducts Rule.

Violation history

Consumer Confidence Report Complete Failure to Report
—
Consumer Confidence Rule
July 1, 2023 – July 10, 2023
Resolved
Monitoring and Reporting (DBP)
—
Chlorite
December 1, 2018 – December 31, 2018
Resolved
Monitoring and Reporting (DBP)
—
CARBON, TOTAL
October 1, 2018 – December 31, 2018
Archived
Consumer Confidence Report Complete Failure to Report
—
Consumer Confidence Rule
July 1, 2006 – July 21, 2006
Resolved
Treatment Technique (SWTR and GWR)
Health-based
Surface Water Treatment Rule
February 1, 1995 – February 28, 1995
Resolved
Monitoring, Repeat Minor (TCR)
—
Coliform (TCR)
September 1, 1991 – September 30, 1991
Resolved
Monitoring, Routine Minor (TCR)
—
Coliform (TCR)
September 1, 1991 – October 29, 1991
Resolved
Maximum Contaminant Level Violation, Monthly (TCR)
Health-based
Coliform (TCR)
September 1, 1991 – September 30, 1991
Resolved

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, 2023 – July 10, 2023	Consumer Confidence Report Complete Failure to Report	Consumer Confidence Rule	—	Resolved
December 1, 2018 – December 31, 2018	Monitoring and Reporting (DBP)	Chlorite	—	Resolved
October 1, 2018 – December 31, 2018	Monitoring and Reporting (DBP)	CARBON, TOTAL	—	Archived
July 1, 2006 – July 21, 2006	Consumer Confidence Report Complete Failure to Report	Consumer Confidence Rule	—	Resolved
February 1, 1995 – February 28, 1995	Treatment Technique (SWTR and GWR)	Surface Water Treatment Rule	Health-based	Resolved
September 1, 1991 – September 30, 1991	Monitoring, Repeat Minor (TCR)	Coliform (TCR)	—	Resolved
September 1, 1991 – October 29, 1991	Monitoring, Routine Minor (TCR)	Coliform (TCR)	—	Resolved
September 1, 1991 – September 30, 1991	Maximum Contaminant Level Violation, Monthly (TCR)	Coliform (TCR)	Health-based	Resolved

Resolved addressed and confirmed by the stateArchived closed in EPA's records (typically due to age or a data correction)

Enforcement actions

September 13, 1991State Violation/Reminder Notice3 linked violations
September 13, 1991State Public Notification requested3 linked violations
September 13, 1991State Public Notification received3 linked violations
September 13, 1991State Formal Notice of Violation issued3 linked violations
September 13, 1991State Compliance achieved3 linked violations

Common questions

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

TURGEON, MICHAEL

860-465-3086

MANSFIELD CENTER, CT 06250