BRIDGEPORT, CT · Fairfield County
AQUARION WATER CO OF CT-CHESTNUT TREE Water System
Inactive system
This water system is marked inactive in EPA’s federal records as of April 10, 2019. 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)
- CT0970051
- System type
- Community Water System
- Population served
- 0
- Service connections
- 48
- Ownership
- privately owned
- Water source
- groundwater (wells)
AQUARION WATER CO OF CT-CHESTNUT TREE formerly served 0 people from groundwater.
EPA's federal records list this system as inactive in 2019; the record below is historical.
As of August 1, 2026, its federal record holds 9 entries between 2004 and 2018, all of which EPA lists as closed. Nothing has been added since 2018.
Of the 9, 7 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 Total Coliform Rules, and the Consumer Confidence Rule.
Violation history
Consumer Confidence Report Complete Failure to Report
—Consumer Confidence Rule
July 1, 2018 – July 9, 2018
ResolvedInitial, Follow-up, or Routine Source Water M/R
—Lead and Copper Rule
October 1, 2017 – March 26, 2019
ResolvedMaximum Contaminant Level Violation, Monthly (TCR)
Health-basedColiform (TCR)
July 1, 2012 – August 31, 2012
ResolvedMonitoring, Regular
—ManMade Beta Particle and Photon Emitter
October 1, 2006 – December 31, 2006
ResolvedMonitoring, Regular
—Combined Uranium
October 1, 2006 – December 31, 2006
ResolvedMonitoring, Regular
—Combined Uranium
October 1, 2006 – December 31, 2006
ResolvedMonitoring, Regular
—Combined Radium (-226 and -228)
October 1, 2006 – December 31, 2006
ResolvedMonitoring, Regular
—Gross Alpha, Excl. Radon and U
October 1, 2006 – December 31, 2006
ResolvedMonitoring, Routine Major (TCR)
—Coliform (TCR)
October 1, 2004 – December 31, 2004
Archived
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, 2018 – July 9, 2018 | Consumer Confidence Report Complete Failure to Report | Consumer Confidence Rule | — | Resolved |
| October 1, 2017 – March 26, 2019 | Initial, Follow-up, or Routine Source Water M/R | Lead and Copper Rule | — | Resolved |
| July 1, 2012 – August 31, 2012 | Maximum Contaminant Level Violation, Monthly (TCR) | Coliform (TCR) | Health-based | Resolved |
| October 1, 2006 – December 31, 2006 | Monitoring, Regular | ManMade Beta Particle and Photon Emitter | — | Resolved |
| October 1, 2006 – December 31, 2006 | Monitoring, Regular | Combined Uranium | — | Resolved |
| October 1, 2006 – December 31, 2006 | Monitoring, Regular | Combined Uranium | — | Resolved |
| October 1, 2006 – December 31, 2006 | Monitoring, Regular | Combined Radium (-226 and -228) | — | Resolved |
| October 1, 2006 – December 31, 2006 | Monitoring, Regular | Gross Alpha, Excl. Radon and U | — | Resolved |
| October 1, 2004 – December 31, 2004 | Monitoring, Routine Major (TCR) | Coliform (TCR) | — | Archived |
Resolved addressed and confirmed by the stateArchived closed in EPA's records (typically due to age or a data correction)
Enforcement actions
- March 26, 2019State no longer subject to Rule1 linked violation
- January 16, 2019State Violation/Reminder Notice1 linked violation
- July 9, 2018State Compliance achieved1 linked violation
- June 11, 2018State Public Notification requested1 linked violation
- June 11, 2018State Violation/Reminder Notice1 linked violation
- May 29, 2018State Violation/Reminder Noticegeneral compliance action — not tied to a specific violation on record
- August 31, 2012State Compliance achieved2 linked violations
- August 15, 2012State Violation/Reminder Notice1 linked violation
- August 15, 2012State Public Notification requested3 linked violations
- June 8, 2007State Compliance achieved8 linked violations
- February 15, 1995State Compliance achieved5 linked violations
- January 13, 1995State Violation/Reminder Notice15 linked violations
- September 21, 1994State Compliance achieved3 linked violations
- September 18, 1994State Public Notification received3 linked violations
- August 29, 1994State Public Notification requested3 linked violations
- July 15, 1994State Violation/Reminder Notice4 linked violations
Last known contact on file (system is inactive)
WALSH, JOHN P.
203-337-5852
BRIDGEPORT, CT 06604