SHELTON, CT · Fairfield County
AQUARION-BUTTERNUT Water System
Current status
No open violations on record as of July 4, 2026.
This system's next federally required Consumer Confidence Report is due July 1, 2027, under the EPA's revised reporting rule.
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)
- CT0180021
- System type
- Community Water System
- Population served
- 124
- Service connections
- 31
- Ownership
- privately owned
- Water source
- groundwater (wells)
Violation history
Lead Consumer Notice
—Lead and Copper Rule
December 30, 2021 – January 20, 2022
ResolvedConsumer Confidence Report Complete Failure to Report
—Consumer Confidence Rule
July 1, 2018 – July 9, 2018
ResolvedMaximum Contaminant Level Violation, Monthly (TCR)
Health-basedColiform (TCR)
October 1, 2012 – October 31, 2012
ResolvedMaximum Contaminant Level Violation, Monthly (TCR)
Health-basedColiform (TCR)
July 1, 2012 – July 31, 2012
ResolvedMonitoring, Regular
—Combined Radium (-226 and -228)
October 1, 2004 – December 31, 2004
ResolvedMaximum Contaminant Level Violation, Monthly (TCR)
Health-basedColiform (TCR)
July 1, 2004 – September 30, 2004
Resolved
Resolved addressed and confirmed by the state
| Period | Violation | Contaminant / rule | Health-based | Status |
|---|---|---|---|---|
| December 30, 2021 – January 20, 2022 | 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, 2012 – October 31, 2012 | Maximum Contaminant Level Violation, Monthly (TCR) | Coliform (TCR) | Health-based | Resolved |
| July 1, 2012 – July 31, 2012 | Maximum Contaminant Level Violation, Monthly (TCR) | Coliform (TCR) | Health-based | Resolved |
| October 1, 2004 – December 31, 2004 | Monitoring, Regular | Combined Radium (-226 and -228) | — | Resolved |
| July 1, 2004 – September 30, 2004 | Maximum Contaminant Level Violation, Monthly (TCR) | Coliform (TCR) | Health-based | Resolved |
Resolved addressed and confirmed by the state
Enforcement actions
- July 9, 2018State Compliance achieved6 linked violations
- November 2, 2012State Public Notification received3 linked violations
- August 31, 2012State Compliance achieved1 linked violation
- August 15, 2012State Violation/Reminder Notice1 linked violation
- August 15, 2012State Public Notification requested1 linked violation
- November 8, 2004State Violation/Reminder Notice10 linked violations
- October 14, 2004State Public Notification requested6 linked violations
- February 15, 1995State Public Notification received60 linked violations
- January 18, 1995State Public Notification requested4 linked violations
Contact
ULRICH, ROBERT J.
203-926-4320
SHELTON, CT 06484