SHELTON, CT · Fairfield County
AQUARION-STAMFORD 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)
- CT1350011
- System type
- Community Water System
- Population served
- 119,214
- Service connections
- 21,259
- Ownership
- privately owned
- Water source
- surface water (rivers, lakes, or reservoirs)
Violation history
Lead Consumer Notice
—Lead and Copper Rule
December 30, 2021 – January 21, 2022
ResolvedConsumer Confidence Report Complete Failure to Report
—Consumer Confidence Rule
July 1, 2018 – July 9, 2018
ResolvedMonitoring, Regular
—Methoxychlor
January 1, 2016 – December 31, 2018
ResolvedMonitoring, Regular
—Toxaphene
January 1, 2016 – December 31, 2018
ResolvedMonitoring, Regular
—Aldicarb sulfoxide
January 1, 2016 – December 31, 2018
ResolvedMonitoring, Regular
—Aldicarb sulfone
January 1, 2016 – December 31, 2018
ResolvedMonitoring, Regular
—Carbofuran
January 1, 2016 – December 31, 2018
ResolvedMonitoring, Regular
—Aldicarb
January 1, 2016 – December 31, 2018
ResolvedMonitoring, Regular
—Atrazine
January 1, 2016 – December 31, 2018
ResolvedMonitoring, Regular
—LASSO
January 1, 2016 – December 31, 2018
ResolvedMonitoring, Regular
—Heptachlor
January 1, 2016 – December 31, 2018
ResolvedMonitoring, Regular
—Heptachlor epoxide
January 1, 2016 – December 31, 2018
ResolvedMonitoring, Regular
—2,4-D
January 1, 2016 – December 31, 2018
ResolvedMonitoring, Regular
—2,4,5-TP
January 1, 2016 – December 31, 2018
ResolvedMonitoring, Regular
—Pentachlorophenol
January 1, 2016 – December 31, 2018
ResolvedMonitoring, Regular
—Total Polychlorinated Biphenyls (PCB)
January 1, 2016 – December 31, 2018
ResolvedMonitoring, Regular
—ETHYLENE DIBROMIDE
January 1, 2016 – December 31, 2018
ResolvedMonitoring, Regular
—Chlordane
January 1, 2016 – December 31, 2018
ResolvedMonitoring, Regular
—Endrin
January 1, 2016 – December 31, 2018
ResolvedMonitoring, Regular
—Dalapon
January 1, 2016 – December 31, 2018
ResolvedMonitoring, Regular
—Diquat
January 1, 2016 – December 31, 2018
ResolvedMonitoring, Regular
—Glyphosate
January 1, 2016 – December 31, 2018
ResolvedMonitoring, Regular
—Di(2-ethylhexyl) adipate
January 1, 2016 – December 31, 2018
ResolvedMonitoring, Regular
—OXAMYL
January 1, 2016 – December 31, 2018
ResolvedMonitoring, Regular
—Simazine
January 1, 2016 – December 31, 2018
ResolvedMonitoring, Regular
—Di(2-ethylhexyl) phthalate
January 1, 2016 – December 31, 2018
ResolvedMonitoring, Regular
—Picloram
January 1, 2016 – December 31, 2018
ResolvedMonitoring, Regular
—Dinoseb
January 1, 2016 – December 31, 2018
ResolvedMonitoring, Regular
—Hexachlorocyclopentadiene
January 1, 2016 – December 31, 2018
ResolvedMonitoring, Regular
—HEXACHLOROBENZENE
January 1, 2016 – December 31, 2018
ResolvedMonitoring, Regular
—Benzo(a)pyrene
January 1, 2016 – December 31, 2018
ResolvedMonitoring, Regular
—1,2-DIBROMO-3-CHLOROPROPANE
January 1, 2016 – December 31, 2018
ResolvedMonitoring, Regular
—BHC-GAMMA
January 1, 2016 – December 31, 2018
ResolvedConsumer Confidence Report Complete Failure to Report
—Consumer Confidence Rule
July 1, 2006 – July 13, 2006
Resolved
Resolved addressed and confirmed by the state
| Period | Violation | Contaminant / rule | Health-based | Status |
|---|---|---|---|---|
| December 30, 2021 – January 21, 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 |
| January 1, 2016 – December 31, 2018 | Monitoring, Regular | Methoxychlor | — | Resolved |
| January 1, 2016 – December 31, 2018 | Monitoring, Regular | Toxaphene | — | Resolved |
| January 1, 2016 – December 31, 2018 | Monitoring, Regular | Aldicarb sulfoxide | — | Resolved |
| January 1, 2016 – December 31, 2018 | Monitoring, Regular | Aldicarb sulfone | — | Resolved |
| January 1, 2016 – December 31, 2018 | Monitoring, Regular | Carbofuran | — | Resolved |
| January 1, 2016 – December 31, 2018 | Monitoring, Regular | Aldicarb | — | Resolved |
| January 1, 2016 – December 31, 2018 | Monitoring, Regular | Atrazine | — | Resolved |
| January 1, 2016 – December 31, 2018 | Monitoring, Regular | LASSO | — | Resolved |
| January 1, 2016 – December 31, 2018 | Monitoring, Regular | Heptachlor | — | Resolved |
| January 1, 2016 – December 31, 2018 | Monitoring, Regular | Heptachlor epoxide | — | Resolved |
| January 1, 2016 – December 31, 2018 | Monitoring, Regular | 2,4-D | — | Resolved |
| January 1, 2016 – December 31, 2018 | Monitoring, Regular | 2,4,5-TP | — | Resolved |
| January 1, 2016 – December 31, 2018 | Monitoring, Regular | Pentachlorophenol | — | Resolved |
| January 1, 2016 – December 31, 2018 | Monitoring, Regular | Total Polychlorinated Biphenyls (PCB) | — | Resolved |
| January 1, 2016 – December 31, 2018 | Monitoring, Regular | ETHYLENE DIBROMIDE | — | Resolved |
| January 1, 2016 – December 31, 2018 | Monitoring, Regular | Chlordane | — | Resolved |
| January 1, 2016 – December 31, 2018 | Monitoring, Regular | Endrin | — | Resolved |
| January 1, 2016 – December 31, 2018 | Monitoring, Regular | Dalapon | — | Resolved |
| January 1, 2016 – December 31, 2018 | Monitoring, Regular | Diquat | — | Resolved |
| January 1, 2016 – December 31, 2018 | Monitoring, Regular | Glyphosate | — | Resolved |
| January 1, 2016 – December 31, 2018 | Monitoring, Regular | Di(2-ethylhexyl) adipate | — | Resolved |
| January 1, 2016 – December 31, 2018 | Monitoring, Regular | OXAMYL | — | Resolved |
| January 1, 2016 – December 31, 2018 | Monitoring, Regular | Simazine | — | Resolved |
| January 1, 2016 – December 31, 2018 | Monitoring, Regular | Di(2-ethylhexyl) phthalate | — | Resolved |
| January 1, 2016 – December 31, 2018 | Monitoring, Regular | Picloram | — | Resolved |
| January 1, 2016 – December 31, 2018 | Monitoring, Regular | Dinoseb | — | Resolved |
| January 1, 2016 – December 31, 2018 | Monitoring, Regular | Hexachlorocyclopentadiene | — | Resolved |
| January 1, 2016 – December 31, 2018 | Monitoring, Regular | HEXACHLOROBENZENE | — | Resolved |
| January 1, 2016 – December 31, 2018 | Monitoring, Regular | Benzo(a)pyrene | — | Resolved |
| January 1, 2016 – December 31, 2018 | Monitoring, Regular | 1,2-DIBROMO-3-CHLOROPROPANE | — | Resolved |
| January 1, 2016 – December 31, 2018 | Monitoring, Regular | BHC-GAMMA | — | Resolved |
| July 1, 2006 – July 13, 2006 | Consumer Confidence Report Complete Failure to Report | Consumer Confidence Rule | — | 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