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AQUARION-STAMFORD

Connecticut — Community Water System — PWSID: CT1350011

System Information

PWSIDCT1350011
System NameAQUARION-STAMFORD
System TypeCommunity Water System
Water SourceSurface Water
Activity StatusActive
Owner TypePrivate
EPA Region01
Serves SchoolNo
WholesalerNo
First ReportedMar 8, 1979
Last ReportedDec 15, 2025

Location & Contact

StateConnecticut
CitySHELTON
ZIP Code06484
Address505 Huntington St.
OrganizationULRICH, ROBERT J.
Phone203-926-4320

Population & Service

Population Served119,214
Service Connections21,259

Drinking Water Violations (129)

This water system has 129 violations recorded in the EPA SDWIS database.

Begin Date End Date Contaminant Category Health-Based Major Measured Federal MCL State MCL Status Return to Compliance Rule
Dec 30, 2021 — Lead and Copper Rule MR No No — TT — Resolved Jan 21, 2022 Lead and Copper Rule
Jul 1, 2018 — Consumer Confidence Rule Other No No — — — Resolved Jul 9, 2018 Consumer Confidence Rule
Jul 1, 2018 — Consumer Confidence Rule Other No No — — — Resolved Jul 9, 2018 Consumer Confidence Rule
Jan 1, 2016 Dec 31, 2018 Endrin MR No Yes — 0.002 mg/L — Resolved Dec 31, 2018 Synthetic Organic Chemicals
Jan 1, 2016 Dec 31, 2018 Simazine MR No Yes — 0.004 mg/L — Resolved Dec 31, 2018 Synthetic Organic Chemicals
Jan 1, 2016 Dec 31, 2018 Simazine MR No Yes — 0.004 mg/L — Resolved Dec 31, 2018 Synthetic Organic Chemicals
Jan 1, 2016 Dec 31, 2018 Pentachlorophenol MR No Yes — 0.001 mg/L — Resolved Dec 31, 2018 Synthetic Organic Chemicals
Jan 1, 2016 Dec 31, 2018 Pentachlorophenol MR No Yes — 0.001 mg/L — Resolved Dec 31, 2018 Synthetic Organic Chemicals
Jan 1, 2016 Dec 31, 2018 Pentachlorophenol MR No Yes — 0.001 mg/L — Resolved Dec 31, 2018 Synthetic Organic Chemicals
Jan 1, 2016 Dec 31, 2018 Pentachlorophenol MR No Yes — 0.001 mg/L — Resolved Dec 31, 2018 Synthetic Organic Chemicals
Jan 1, 2016 Dec 31, 2018 Dalapon MR No Yes — 0.2 mg/L — Resolved Dec 31, 2018 Synthetic Organic Chemicals
Jan 1, 2016 Dec 31, 2018 Dalapon MR No Yes — 0.2 mg/L — Resolved Dec 31, 2018 Synthetic Organic Chemicals
Jan 1, 2016 Dec 31, 2018 Dalapon MR No Yes — 0.2 mg/L — Resolved Dec 31, 2018 Synthetic Organic Chemicals
Jan 1, 2016 Dec 31, 2018 Dalapon MR No Yes — 0.2 mg/L — Resolved Dec 31, 2018 Synthetic Organic Chemicals
Jan 1, 2016 Dec 31, 2018 2,4,5-TP MR No Yes — 0.05 mg/L — Resolved Dec 31, 2018 Synthetic Organic Chemicals
Jan 1, 2016 Dec 31, 2018 2,4,5-TP MR No Yes — 0.05 mg/L — Resolved Dec 31, 2018 Synthetic Organic Chemicals
Jan 1, 2016 Dec 31, 2018 2,4,5-TP MR No Yes — 0.05 mg/L — Resolved Dec 31, 2018 Synthetic Organic Chemicals
Jan 1, 2016 Dec 31, 2018 2,4,5-TP MR No Yes — 0.05 mg/L — Resolved Dec 31, 2018 Synthetic Organic Chemicals
Jan 1, 2016 Dec 31, 2018 Methoxychlor MR No Yes — 0.04 mg/L — Resolved Dec 31, 2018 Synthetic Organic Chemicals
Jan 1, 2016 Dec 31, 2018 Methoxychlor MR No Yes — 0.04 mg/L — Resolved Dec 31, 2018 Synthetic Organic Chemicals
Jan 1, 2016 Dec 31, 2018 Methoxychlor MR No Yes — 0.04 mg/L — Resolved Dec 31, 2018 Synthetic Organic Chemicals
Jan 1, 2016 Dec 31, 2018 Methoxychlor MR No Yes — 0.04 mg/L — Resolved Dec 31, 2018 Synthetic Organic Chemicals
Jan 1, 2016 Dec 31, 2018 Benzo(a)pyrene MR No Yes — 0.0002 mg/L — Resolved Dec 31, 2018 Synthetic Organic Chemicals
Jan 1, 2016 Dec 31, 2018 Benzo(a)pyrene MR No Yes — 0.0002 mg/L — Resolved Dec 31, 2018 Synthetic Organic Chemicals
Jan 1, 2016 Dec 31, 2018 Benzo(a)pyrene MR No Yes — 0.0002 mg/L — Resolved Dec 31, 2018 Synthetic Organic Chemicals
Jan 1, 2016 Dec 31, 2018 Benzo(a)pyrene MR No Yes — 0.0002 mg/L — Resolved Dec 31, 2018 Synthetic Organic Chemicals
Jan 1, 2016 Dec 31, 2018 Aldicarb MR No Yes — — — Resolved Dec 31, 2018 Synthetic Organic Chemicals
Jan 1, 2016 Dec 31, 2018 Aldicarb MR No Yes — — — Resolved Dec 31, 2018 Synthetic Organic Chemicals
Jan 1, 2016 Dec 31, 2018 Aldicarb MR No Yes — — — Resolved Dec 31, 2018 Synthetic Organic Chemicals
Jan 1, 2016 Dec 31, 2018 Aldicarb MR No Yes — — — Resolved Dec 31, 2018 Synthetic Organic Chemicals
Jan 1, 2016 Dec 31, 2018 ETHYLENE DIBROMIDE MR No Yes — 0.00005 mg/L — Resolved Dec 31, 2018 Synthetic Organic Chemicals
Jan 1, 2016 Dec 31, 2018 ETHYLENE DIBROMIDE MR No Yes — 0.00005 mg/L — Resolved Dec 31, 2018 Synthetic Organic Chemicals
Jan 1, 2016 Dec 31, 2018 ETHYLENE DIBROMIDE MR No Yes — 0.00005 mg/L — Resolved Dec 31, 2018 Synthetic Organic Chemicals
Jan 1, 2016 Dec 31, 2018 ETHYLENE DIBROMIDE MR No Yes — 0.00005 mg/L — Resolved Dec 31, 2018 Synthetic Organic Chemicals
Jan 1, 2016 Dec 31, 2018 Heptachlor MR No Yes — 0.0004 mg/L — Resolved Dec 31, 2018 Synthetic Organic Chemicals
Jan 1, 2016 Dec 31, 2018 Heptachlor epoxide MR No Yes — 0.0002 mg/L — Resolved Dec 31, 2018 Synthetic Organic Chemicals
Jan 1, 2016 Dec 31, 2018 Heptachlor epoxide MR No Yes — 0.0002 mg/L — Resolved Dec 31, 2018 Synthetic Organic Chemicals
Jan 1, 2016 Dec 31, 2018 Heptachlor epoxide MR No Yes — 0.0002 mg/L — Resolved Dec 31, 2018 Synthetic Organic Chemicals
Jan 1, 2016 Dec 31, 2018 Diquat MR No Yes — 0.02 mg/L — Resolved Dec 31, 2018 Synthetic Organic Chemicals
Jan 1, 2016 Dec 31, 2018 Diquat MR No Yes — 0.02 mg/L — Resolved Dec 31, 2018 Synthetic Organic Chemicals
Jan 1, 2016 Dec 31, 2018 Diquat MR No Yes — 0.02 mg/L — Resolved Dec 31, 2018 Synthetic Organic Chemicals
Jan 1, 2016 Dec 31, 2018 Diquat MR No Yes — 0.02 mg/L — Resolved Dec 31, 2018 Synthetic Organic Chemicals
Jan 1, 2016 Dec 31, 2018 OXAMYL MR No Yes — 0.2 mg/L — Resolved Dec 31, 2018 Synthetic Organic Chemicals
Jan 1, 2016 Dec 31, 2018 OXAMYL MR No Yes — 0.2 mg/L — Resolved Dec 31, 2018 Synthetic Organic Chemicals
Jan 1, 2016 Dec 31, 2018 OXAMYL MR No Yes — 0.2 mg/L — Resolved Dec 31, 2018 Synthetic Organic Chemicals
Jan 1, 2016 Dec 31, 2018 OXAMYL MR No Yes — 0.2 mg/L — Resolved Dec 31, 2018 Synthetic Organic Chemicals
Jan 1, 2016 Dec 31, 2018 Heptachlor MR No Yes — 0.0004 mg/L — Resolved Dec 31, 2018 Synthetic Organic Chemicals
Jan 1, 2016 Dec 31, 2018 Heptachlor MR No Yes — 0.0004 mg/L — Resolved Dec 31, 2018 Synthetic Organic Chemicals
Jan 1, 2016 Dec 31, 2018 Heptachlor epoxide MR No Yes — 0.0002 mg/L — Resolved Dec 31, 2018 Synthetic Organic Chemicals
Jan 1, 2016 Dec 31, 2018 Heptachlor MR No Yes — 0.0004 mg/L — Resolved Dec 31, 2018 Synthetic Organic Chemicals

About This Water System

Public water system data comes from the EPA Safe Drinking Water Information System (SDWIS). Systems with violations must notify customers. Contact your water utility for the latest annual water quality report.

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