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 July 4, 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)
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
ResolvedMonitoring, Regular
—Gross Alpha, Excl. Radon and U
October 1, 2006 – December 31, 2006
ResolvedMonitoring, Regular
—Combined Uranium
October 1, 2006 – December 31, 2006
ResolvedMonitoring, Regular
—Gross Beta Particle Activity
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, Routine Major (TCR)
—Coliform (TCR)
October 1, 2004 – December 31, 2004
ArchivedOCCT/SOWT Study/Recommendation
Health-basedLead and Copper Rule
January 1, 1995 – February 15, 1995
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, 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 |
| October 1, 2006 – December 31, 2006 | Monitoring, Regular | Gross Alpha, Excl. Radon and U | — | Resolved |
| October 1, 2006 – December 31, 2006 | Monitoring, Regular | Combined Uranium | — | Resolved |
| October 1, 2006 – December 31, 2006 | Monitoring, Regular | Gross Beta Particle Activity | — | 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, 2004 – December 31, 2004 | Monitoring, Routine Major (TCR) | Coliform (TCR) | — | Archived |
| January 1, 1995 – February 15, 1995 | OCCT/SOWT Study/Recommendation | Lead and Copper Rule | 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
- 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
- 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