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VERMONT YANKEE PLANT MAIN

Connecticut — Non-Transient Non-Community — PWSID: VT0008332

System Information

PWSIDVT0008332
System NameVERMONT YANKEE PLANT MAIN
System TypeNon-Transient Non-Community
Water SourceGround Water
Activity StatusNon-Inventory
Owner TypePrivate
EPA Region01
Serves SchoolNo
WholesalerNo
First ReportedJan 16, 1987
Last ReportedFeb 9, 2026

Location & Contact

StateConnecticut
CityROCKY HILL
ZIP Code06067
AddressHALEY & ALDRICH INC
OrganizationDANAHER, ELIDA S
Phone860-290-3116

Population & Service

Population Served400
Service Connections9

Drinking Water Violations (33)

This water system has 33 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
Jan 1, 2019 Mar 31, 2019 MR No Yes — 30 ug/L — Resolved Mar 31, 2019 —
Jan 1, 2019 Mar 31, 2019 MR No Yes — 30 ug/L — Resolved Mar 31, 2019 —
Jan 1, 2019 Mar 31, 2019 MR No Yes — 30 ug/L — Resolved Mar 31, 2019 —
Jan 1, 2019 Mar 31, 2019 MR No Yes — 30 ug/L — Resolved Mar 31, 2019 —
Jan 1, 2019 Mar 31, 2019 MR No Yes — 30 ug/L — Resolved Mar 31, 2019 —
Jan 1, 2019 Mar 31, 2019 MR No Yes — 30 ug/L — Resolved Mar 31, 2019 —
Apr 1, 2006 Jun 30, 2006 MR No No — 5% of samples — Resolved Jun 30, 2006 —
Apr 1, 2006 Jun 30, 2006 MR No No — 5% of samples — Resolved Jun 30, 2006 —
Apr 1, 2006 Jun 30, 2006 MR No No — 5% of samples — Resolved Jun 30, 2006 —
Apr 1, 2006 Jun 30, 2006 MR No No — 5% of samples — Resolved Jun 30, 2006 —
Mar 1, 2000 Mar 31, 2000 MCL Yes No — 5% of samples — Resolved Mar 31, 2000 —
Mar 1, 2000 Mar 31, 2000 MCL Yes No — 5% of samples — Archived Mar 31, 2000 —
Mar 1, 2000 Mar 31, 2000 MCL Yes No — 5% of samples — Resolved Mar 31, 2000 —
Mar 1, 2000 Mar 31, 2000 MCL Yes No — 5% of samples — Resolved Mar 31, 2000 —
Mar 1, 2000 Mar 31, 2000 MCL Yes No — 5% of samples — Resolved Mar 31, 2000 —
Aug 1, 1999 Aug 31, 1999 MCL Yes No — 5% of samples — Archived Aug 31, 1999 —
Aug 1, 1999 Aug 31, 1999 MCL Yes No — 5% of samples — Resolved Aug 31, 1999 —
Aug 1, 1999 Aug 31, 1999 MCL Yes No — 5% of samples — Resolved Aug 31, 1999 —
Aug 1, 1999 Aug 31, 1999 MCL Yes No — 5% of samples — Resolved Aug 31, 1999 —
Aug 1, 1999 Aug 31, 1999 MCL Yes No — 5% of samples — Resolved Aug 31, 1999 —
Aug 1, 1999 Aug 31, 1999 MCL Yes No — 5% of samples — Resolved Aug 31, 1999 —
Jan 1, 1996 Dec 31, 1996 MCL Yes No 6.3 0.005 mg/L 5 Resolved Dec 31, 1996 —
Jan 1, 1996 Dec 31, 1996 MCL Yes No 6.3 0.005 mg/L 5 Resolved Dec 31, 1996 —
Jan 1, 1996 Dec 31, 1996 MCL Yes No 6.3 0.005 mg/L 5 Resolved Dec 31, 1996 —
Jan 1, 1996 Dec 31, 1996 MCL Yes No 6.3 0.005 mg/L 5 Resolved Dec 31, 1996 —
Jul 1, 1995 Sep 30, 1995 MR No No — 5% of samples — Resolved Sep 30, 1995 —
Jul 1, 1995 Sep 30, 1995 MR No No — 5% of samples — Resolved Sep 30, 1995 —
Jul 1, 1995 Sep 30, 1995 MR No No — 5% of samples — Resolved Sep 30, 1995 —
Jul 1, 1995 Sep 30, 1995 MR No No — 5% of samples — Resolved Sep 30, 1995 —
Jul 1, 1995 Sep 30, 1995 MR No No — 5% of samples — Resolved Sep 30, 1995 —
Apr 1, 1994 Jun 30, 1994 MR No No — 5% of samples — Resolved Jun 30, 1994 —
Apr 1, 1994 Jun 30, 1994 MR No No — 5% of samples — Resolved Jun 30, 1994 —
Apr 1, 1994 Jun 30, 1994 MR No No — 5% of samples — Resolved Jun 30, 1994 —

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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