SHELTON, CT · Hartford County
AQUARION-MARLBOROUGH 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)
- CT0798013
- System type
- Community Water System
- Population served
- 1,348
- Service connections
- 128
- Ownership
- local government
- Water source
- groundwater (wells)
Violation history
Monitoring, Regular
—Aldicarb sulfoxide
October 1, 2019 – December 31, 2019
ResolvedMonitoring, Regular
—Benzo(a)pyrene
October 1, 2019 – December 31, 2019
ResolvedMonitoring, Regular
—1,2-Dichloroethane
October 1, 2019 – December 31, 2019
ResolvedMonitoring, Regular
—Di(2-ethylhexyl) phthalate
October 1, 2019 – December 31, 2019
ResolvedMonitoring, Regular
—Pentachlorophenol
July 1, 2018 – September 30, 2018
ResolvedMonitoring, Regular
—2,4-D
July 1, 2018 – September 30, 2018
ResolvedMonitoring, Regular
—OXAMYL
July 1, 2018 – September 30, 2018
ResolvedMonitoring, Regular
—Carbofuran
July 1, 2018 – September 30, 2018
ResolvedMonitoring, Regular
—Heptachlor
July 1, 2018 – September 30, 2018
ResolvedInitial Tap Sampling for Pb and Cu
—Lead and Copper Rule
January 1, 2012 – June 30, 2012
ResolvedMonitoring, Regular
—Aldicarb
July 1, 2007 – September 30, 2007
Resolved
Resolved addressed and confirmed by the state
| Period | Violation | Contaminant / rule | Health-based | Status |
|---|---|---|---|---|
| October 1, 2019 – December 31, 2019 | Monitoring, Regular | Aldicarb sulfoxide | — | Resolved |
| October 1, 2019 – December 31, 2019 | Monitoring, Regular | Benzo(a)pyrene | — | Resolved |
| October 1, 2019 – December 31, 2019 | Monitoring, Regular | 1,2-Dichloroethane | — | Resolved |
| October 1, 2019 – December 31, 2019 | Monitoring, Regular | Di(2-ethylhexyl) phthalate | — | Resolved |
| July 1, 2018 – September 30, 2018 | Monitoring, Regular | Pentachlorophenol | — | Resolved |
| July 1, 2018 – September 30, 2018 | Monitoring, Regular | 2,4-D | — | Resolved |
| July 1, 2018 – September 30, 2018 | Monitoring, Regular | OXAMYL | — | Resolved |
| July 1, 2018 – September 30, 2018 | Monitoring, Regular | Carbofuran | — | Resolved |
| July 1, 2018 – September 30, 2018 | Monitoring, Regular | Heptachlor | — | Resolved |
| January 1, 2012 – June 30, 2012 | Initial Tap Sampling for Pb and Cu | Lead and Copper Rule | — | Resolved |
| July 1, 2007 – September 30, 2007 | Monitoring, Regular | Aldicarb | — | Resolved |
Resolved addressed and confirmed by the state
Enforcement actions
No enforcement actions on record for this system.
Contact
ULRICH, ROBERT J.
203-926-4320
SHELTON, CT 06484