Is KNOLLCREST TAX DISTRICT required to publish a Consumer Confidence Report?

Yes. KNOLLCREST TAX 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 KNOLLCREST TAX DISTRICT’s next Consumer Confidence Report due?

KNOLLCREST TAX 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.

NEW FAIRFIELD, CT · Fairfield County

KNOLLCREST TAX DISTRICT Water System

Consumer Confidence Report status

KNOLLCREST TAX 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 1 open health-based violation for KNOLLCREST TAX 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 Connecticut’s official records. Always confirm current status with Connecticut before making decisions based on this information.

System facts

System ID (PWSID): CT0910081
System type: Community Water System
Population served: 356
Service connections: 89
Ownership: local government
Water source: groundwater (wells)

KNOLLCREST TAX DISTRICT is one of 799 community water systems in Connecticut in the 500 or fewer people size category, serving 356 people from groundwater.

As of August 1, 2026, its federal record holds 25 entries between 2006 and 2025, of which 1 health-based item remains open.

Of the 25, 16 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 synthetic organic chemicals, the Consumer Confidence Rule, and the Public Notice Rule and Revised PN Rule.

Violation history

Public Notification Violation for NPDWR Violation
—
Public Notice
May 3, 2025 – July 22, 2025
Resolved
Public Notification Violation for NPDWR Violation
—
Public Notice
May 3, 2025 – July 22, 2025
Resolved
LSL Inventory
Health-based
LEAD AND COPPER RULE REVISIONS
October 17, 2024
Unaddressed
Consumer Confidence Report Complete Failure to Report
—
Consumer Confidence Rule
July 1, 2024 – September 15, 2024
Resolved
Lead Consumer Notice
—
Lead and Copper Rule
December 30, 2023 – July 26, 2023
Resolved
Monitoring, Routine (RTCR)
—
Revised Total Coliform Rule
December 1, 2023 – December 31, 2023
Resolved
Maximum Contaminant Level Violation, E. coli (RTCR)
Health-based
Revised Total Coliform Rule
September 1, 2023 – September 30, 2023
Resolved
Consumer Confidence Report Complete Failure to Report
—
Consumer Confidence Rule
July 1, 2023 – June 28, 2023
Resolved
Public Notification Violation for NPDWR Violation
—
Public Notice
March 17, 2018 – April 23, 2018
Resolved
Consumer Confidence Report Complete Failure to Report
—
Consumer Confidence Rule
July 1, 2017 – July 14, 2017
Resolved
Monitoring, Regular
—
HEXACHLOROBENZENE
April 1, 2017 – June 30, 2017
Resolved
Monitoring, Regular
—
Benzo(a)pyrene
April 1, 2017 – June 30, 2017
Resolved
Monitoring, Regular
—
ETHYLENE DIBROMIDE
April 1, 2017 – June 30, 2017
Resolved
Monitoring, Regular
—
Chlordane
April 1, 2017 – June 30, 2017
Resolved
Monitoring, Regular
—
1,2-DIBROMO-3-CHLOROPROPANE
April 1, 2017 – June 30, 2017
Resolved
Monitoring, Regular
—
Gross Alpha, Excl. Radon and U
April 1, 2017 – June 30, 2017
Resolved
Monitoring, Regular
—
Combined Uranium
April 1, 2017 – June 30, 2017
Resolved
Monitoring, Regular
—
BHC-GAMMA
April 1, 2017 – June 30, 2017
Resolved
Monitoring, Regular
—
Methoxychlor
April 1, 2017 – June 30, 2017
Resolved
Monitoring, Regular
—
OXAMYL
April 1, 2017 – June 30, 2017
Resolved
Monitoring, Regular
—
Hexachlorocyclopentadiene
April 1, 2017 – June 30, 2017
Resolved
Monitoring, Regular
—
Carbofuran
April 1, 2017 – June 30, 2017
Resolved
Monitoring, Regular
—
2,4-D
April 1, 2017 – June 30, 2017
Resolved
Monitoring, Regular
—
2,4,5-TP
April 1, 2017 – June 30, 2017
Resolved
Consumer Confidence Report Complete Failure to Report
—
Consumer Confidence Rule
July 1, 2006 – May 17, 2007
Resolved

Resolved addressed and confirmed by the stateUnaddressed no corrective action on record yet

Period	Violation	Contaminant / rule	Health-based	Status
May 3, 2025 – July 22, 2025	Public Notification Violation for NPDWR Violation	Public Notice	—	Resolved
May 3, 2025 – July 22, 2025	Public Notification Violation for NPDWR Violation	Public Notice	—	Resolved
October 17, 2024	LSL Inventory	LEAD AND COPPER RULE REVISIONS	Health-based	Unaddressed
July 1, 2024 – September 15, 2024	Consumer Confidence Report Complete Failure to Report	Consumer Confidence Rule	—	Resolved
December 30, 2023 – July 26, 2023	Lead Consumer Notice	Lead and Copper Rule	—	Resolved
December 1, 2023 – December 31, 2023	Monitoring, Routine (RTCR)	Revised Total Coliform Rule	—	Resolved
September 1, 2023 – September 30, 2023	Maximum Contaminant Level Violation, E. coli (RTCR)	Revised Total Coliform Rule	Health-based	Resolved
July 1, 2023 – June 28, 2023	Consumer Confidence Report Complete Failure to Report	Consumer Confidence Rule	—	Resolved
March 17, 2018 – April 23, 2018	Public Notification Violation for NPDWR Violation	Public Notice	—	Resolved
July 1, 2017 – July 14, 2017	Consumer Confidence Report Complete Failure to Report	Consumer Confidence Rule	—	Resolved
April 1, 2017 – June 30, 2017	Monitoring, Regular	HEXACHLOROBENZENE	—	Resolved
April 1, 2017 – June 30, 2017	Monitoring, Regular	Benzo(a)pyrene	—	Resolved
April 1, 2017 – June 30, 2017	Monitoring, Regular	ETHYLENE DIBROMIDE	—	Resolved
April 1, 2017 – June 30, 2017	Monitoring, Regular	Chlordane	—	Resolved
April 1, 2017 – June 30, 2017	Monitoring, Regular	1,2-DIBROMO-3-CHLOROPROPANE	—	Resolved
April 1, 2017 – June 30, 2017	Monitoring, Regular	Gross Alpha, Excl. Radon and U	—	Resolved
April 1, 2017 – June 30, 2017	Monitoring, Regular	Combined Uranium	—	Resolved
April 1, 2017 – June 30, 2017	Monitoring, Regular	BHC-GAMMA	—	Resolved
April 1, 2017 – June 30, 2017	Monitoring, Regular	Methoxychlor	—	Resolved
April 1, 2017 – June 30, 2017	Monitoring, Regular	OXAMYL	—	Resolved
April 1, 2017 – June 30, 2017	Monitoring, Regular	Hexachlorocyclopentadiene	—	Resolved
April 1, 2017 – June 30, 2017	Monitoring, Regular	Carbofuran	—	Resolved
April 1, 2017 – June 30, 2017	Monitoring, Regular	2,4-D	—	Resolved
April 1, 2017 – June 30, 2017	Monitoring, Regular	2,4,5-TP	—	Resolved
July 1, 2006 – May 17, 2007	Consumer Confidence Report Complete Failure to Report	Consumer Confidence Rule	—	Resolved

Resolved addressed and confirmed by the stateUnaddressed no corrective action on record yet

Enforcement actions

November 19, 2025State Violation/Reminder Notice3 linked violations
November 19, 2025State Violation/Reminder Notice4 linked violations
September 8, 2025State Compliance achieved3 linked violations
July 22, 2025State Compliance achieved4 linked violations
July 22, 2025State Public Notification received3 linked violations
July 22, 2025State Public Notification received3 linked violations
September 15, 2024State Compliance achieved4 linked violations
September 15, 2024State Compliance achieved3 linked violations
August 28, 2024State Violation/Reminder Notice3 linked violations
December 5, 2023State Public Notification received3 linked violations
December 4, 2023State Violation/Reminder Notice4 linked violations
December 4, 2023State Violation/Reminder Notice5 linked violations
September 7, 2023State Violation/Reminder Notice4 linked violations
August 21, 2023State Compliance achieved2 linked violations
June 28, 2023State Compliance achieved4 linked violations
April 23, 2018State Compliance achieved4 linked violations
September 11, 2017State Compliance achieved36 linked violations
March 6, 2017State Violation/Reminder Notice4 linked violations
December 1, 2016State Compliance achieved3 linked violations
February 27, 2007State Administrative/Compliance Order with penalty issued6 linked violations
December 31, 2004State Compliance achieved16 linked violations
September 29, 1997State Public Notification received2 linked violations
September 24, 1997State Violation/Reminder Notice3 linked violations
August 27, 1997State Violation/Reminder Notice3 linked violations

Common questions

Is KNOLLCREST TAX DISTRICT required to publish a Consumer Confidence Report?: Yes. KNOLLCREST TAX 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 KNOLLCREST TAX DISTRICT’s next Consumer Confidence Report due?: KNOLLCREST TAX DISTRICT’s next Consumer Confidence Report is due by July 1, 2027. The report covers calendar year 2026.
Does KNOLLCREST TAX DISTRICT have any open drinking water violations on record?: As of August 1, 2026, EPA's federal records show 1 open health-based violation for KNOLLCREST TAX 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

CRONK, MARK S.

203-746-1356

NEW FAIRFIELD, CT 06812