SHELTON, CT · Fairfield County
AQUARION WATER CO OF CT-OWSC Water System
Inactive system
This water system is marked inactive in EPA’s federal records as of May 17, 2022. 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)
- CT0970041
- System type
- Community Water System
- Population served
- 0
- Service connections
- 164
- Ownership
- privately owned
- Water source
- groundwater (wells)
AQUARION WATER CO OF CT-OWSC formerly served 0 people from groundwater.
EPA's federal records list this system as inactive in 2022; the record below is historical.
As of August 1, 2026, its federal record holds 12 entries between 2004 and 2019, all of which EPA lists as closed. Nothing has been added since 2019.
Of the 12, 11 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 volatile organic chemicals, the Radionuclides and Revised Rad Rule, and the Lead and Copper Rule.
Violation history
Lead Consumer Notice
—Lead and Copper Rule
December 30, 2019 – January 16, 2020
ResolvedConsumer Confidence Report Complete Failure to Report
—Consumer Confidence Rule
July 1, 2018 – July 9, 2018
ResolvedMonitoring, Regular
—Gross Alpha, Excl. Radon and U
October 1, 2005 – December 31, 2005
ResolvedMonitoring, Regular
—Combined Radium (-226 and -228)
July 1, 2005 – September 30, 2005
ResolvedMonitoring, Regular
—Gross Alpha, Excl. Radon and U
July 1, 2005 – September 30, 2005
ResolvedMonitoring, Regular
—Combined Radium (-226 and -228)
January 1, 2005 – March 31, 2005
ResolvedMonitoring, Regular
—Styrene
January 1, 2004 – December 31, 2004
ResolvedMonitoring, Regular
—CHLOROBENZENE
January 1, 2004 – December 31, 2004
ResolvedMonitoring, Regular
—Trichloroethylene
January 1, 2004 – December 31, 2004
ResolvedMonitoring, Regular
—Styrene
January 1, 2004 – December 31, 2004
ResolvedMonitoring, Regular
—Benzene
January 1, 2004 – December 31, 2004
ResolvedMonitoring, Regular
—Tetrachloroethylene
January 1, 2004 – December 31, 2004
Resolved
Resolved addressed and confirmed by the state
| Period | Violation | Contaminant / rule | Health-based | Status |
|---|---|---|---|---|
| December 30, 2019 – January 16, 2020 | Lead Consumer Notice | Lead and Copper Rule | — | Resolved |
| July 1, 2018 – July 9, 2018 | Consumer Confidence Report Complete Failure to Report | Consumer Confidence Rule | — | Resolved |
| October 1, 2005 – December 31, 2005 | Monitoring, Regular | Gross Alpha, Excl. Radon and U | — | Resolved |
| July 1, 2005 – September 30, 2005 | Monitoring, Regular | Combined Radium (-226 and -228) | — | Resolved |
| July 1, 2005 – September 30, 2005 | Monitoring, Regular | Gross Alpha, Excl. Radon and U | — | Resolved |
| January 1, 2005 – March 31, 2005 | Monitoring, Regular | Combined Radium (-226 and -228) | — | Resolved |
| January 1, 2004 – December 31, 2004 | Monitoring, Regular | Styrene | — | Resolved |
| January 1, 2004 – December 31, 2004 | Monitoring, Regular | CHLOROBENZENE | — | Resolved |
| January 1, 2004 – December 31, 2004 | Monitoring, Regular | Trichloroethylene | — | Resolved |
| January 1, 2004 – December 31, 2004 | Monitoring, Regular | Styrene | — | Resolved |
| January 1, 2004 – December 31, 2004 | Monitoring, Regular | Benzene | — | Resolved |
| January 1, 2004 – December 31, 2004 | Monitoring, Regular | Tetrachloroethylene | — | Resolved |
Resolved addressed and confirmed by the state
Enforcement actions
- October 18, 2019State Compliance achieved9 linked violations
- July 24, 2006State Compliance achieved16 linked violations
- June 29, 2006State Violation/Reminder Notice17 linked violations
- April 3, 2006State Compliance achieved186 linked violations
- February 2, 2006State Violation/Reminder Notice52 linked violations
- July 5, 2005State Administrative/Compliance Order with penalty issued3 linked violations
- February 2, 2001State Bilateral Compliance Agreement signed6 linked violations
- June 30, 1998State Compliance achieved6 linked violations
- February 21, 1994State Public Notification received2 linked violations
- January 21, 1994State Violation/Reminder Notice11 linked violations
Last known contact on file (system is inactive)
ULRICH, ROBERT J.
203-926-4320
SHELTON, CT 06484