SHELTON, CT · Fairfield County

AQUARION-CEDAR HEIGHTS Water System

Inactive system

This water system is marked inactive in EPA’s federal records as of August 6, 2025. It is no longer an operating public water system under this PWSID, and no compliance deadlines — including the 2027 Consumer Confidence Report rule — apply to it.

If you are a resident looking for your current water provider, see water systems in Fairfield County, CT.

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): CT0340131
System type: Community Water System
Population served: 0
Service connections: 137
Ownership: privately owned
Water source: groundwater (wells)

AQUARION-CEDAR HEIGHTS formerly served 0 people from groundwater.

EPA's federal records list this system as inactive in 2025; the record below is historical.

As of August 1, 2026, its federal record holds 11 entries between 2006 and 2021, all of which EPA lists as closed. Nothing has been added since 2021.

Of the 11, 8 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 Radionuclides and Revised Rad Rule, the Consumer Confidence Rule, and the Lead and Copper Rule.

Violation history

Lead Consumer Notice
—
Lead and Copper Rule
December 30, 2021 – February 15, 2022
Resolved
Monitoring and Reporting (DBP)
—
TTHM
August 1, 2019 – July 31, 2020
Resolved
Monitoring, Regular
—
Nitrate
October 1, 2018 – December 31, 2018
Resolved
Consumer Confidence Report Complete Failure to Report
—
Consumer Confidence Rule
July 1, 2018 – July 9, 2018
Resolved
Consumer Confidence Report Complete Failure to Report
—
Consumer Confidence Rule
July 1, 2010 – July 7, 2010
Resolved
Consumer Confidence Report Inadequate Reporting
—
Consumer Confidence Rule
August 10, 2008 – December 1, 2008
Resolved
Monitoring, Regular
—
Combined Uranium
January 1, 2008 – December 31, 2010
Resolved
Monitoring, Regular
—
Gross Alpha, Excl. Radon and U
January 1, 2008 – December 31, 2010
Resolved
Monitoring, Regular
—
Combined Radium (-226 and -228)
January 1, 2008 – December 31, 2010
Resolved
Monitoring, Regular
—
Combined Uranium
July 1, 2006 – September 30, 2006
Resolved
Monitoring, Regular
—
Combined Radium (-226 and -228)
July 1, 2006 – September 30, 2006
Resolved

Resolved addressed and confirmed by the state

Period	Violation	Contaminant / rule	Health-based	Status
December 30, 2021 – February 15, 2022	Lead Consumer Notice	Lead and Copper Rule	—	Resolved
August 1, 2019 – July 31, 2020	Monitoring and Reporting (DBP)	TTHM	—	Resolved
October 1, 2018 – December 31, 2018	Monitoring, Regular	Nitrate	—	Resolved
July 1, 2018 – July 9, 2018	Consumer Confidence Report Complete Failure to Report	Consumer Confidence Rule	—	Resolved
July 1, 2010 – July 7, 2010	Consumer Confidence Report Complete Failure to Report	Consumer Confidence Rule	—	Resolved
August 10, 2008 – December 1, 2008	Consumer Confidence Report Inadequate Reporting	Consumer Confidence Rule	—	Resolved
January 1, 2008 – December 31, 2010	Monitoring, Regular	Combined Uranium	—	Resolved
January 1, 2008 – December 31, 2010	Monitoring, Regular	Gross Alpha, Excl. Radon and U	—	Resolved
January 1, 2008 – December 31, 2010	Monitoring, Regular	Combined Radium (-226 and -228)	—	Resolved
July 1, 2006 – September 30, 2006	Monitoring, Regular	Combined Uranium	—	Resolved
July 1, 2006 – September 30, 2006	Monitoring, Regular	Combined Radium (-226 and -228)	—	Resolved

Resolved addressed and confirmed by the state

Enforcement actions

No enforcement actions on record for this system.

Last known contact on file (system is inactive)

ULRICH, ROBERT J.

203-926-4320

SHELTON, CT 06484