MYSTIC KOA

Connecticut - Transient Non-Community - PWSID: CT1020164

System Information

PWSIDCT1020164
System NameMYSTIC KOA
System TypeTransient Non-Community
Water SourceGround Water
Activity StatusActive
Owner TypePrivate
EPA Region01
Serves SchoolNo
WholesalerNo
First ReportedJan 11, 2000
Last ReportedMar 30, 2026

Location & Contact

StateConnecticut
CityNORTH STONINGTON
ZIP Code06359
Address118 Pendleton Hill Rd
OrganizationTAYLOR OOSTDYK, LAURA
Phone860-599-5101

Population & Service

Population Served33
Service Connections275

Drinking Water Violations (118)

This water system has 118 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
Sep 14, 2023 - Other No No - - - Resolved Oct 10, 2023 -
Jun 22, 2023 - Other No No - - - Resolved Nov 1, 2023 -
Jun 22, 2023 - Other No No - - - Resolved Nov 1, 2023 -
May 13, 2023 - TT Yes No - - - Resolved Nov 1, 2023 -
May 13, 2023 - TT Yes No - - - Resolved Nov 1, 2023 -
May 13, 2023 - TT Yes No - - - Resolved Nov 1, 2023 -
May 13, 2023 - TT Yes No - - - Resolved Nov 1, 2023 -
May 20, 2022 - TT Yes No - - - Resolved Jun 24, 2022 -
May 20, 2022 - TT Yes No - - - Resolved Jun 24, 2022 -
May 20, 2022 - TT Yes No - - - Resolved Jun 24, 2022 -
May 20, 2022 - TT Yes No - - - Resolved Jun 24, 2022 -
Aug 22, 2019 - TT Yes No - - - Resolved Sep 13, 2019 -
Aug 22, 2019 - TT Yes No - - - Resolved Sep 13, 2019 -
Aug 22, 2019 - TT Yes No - - - Resolved Sep 13, 2019 -
Aug 22, 2019 - TT Yes No - - - Resolved Sep 13, 2019 -
Jan 11, 2019 - Other No No - - - Resolved Mar 8, 2019 -
Jan 11, 2019 - Other No No - - - Resolved Mar 8, 2019 -
Oct 11, 2018 - TT Yes No - - - Resolved May 21, 2019 -
Oct 11, 2018 - TT Yes No - - - Resolved May 21, 2019 -
Oct 11, 2018 - TT Yes No - - - Resolved May 21, 2019 -
Oct 11, 2018 - TT Yes No - - - Resolved May 21, 2019 -
Oct 1, 2018 Oct 31, 2018 MON No Yes - - - Resolved Oct 31, 2018 -
Oct 1, 2018 Oct 31, 2018 MON No Yes - - - Resolved Oct 31, 2018 -
Oct 1, 2018 Oct 31, 2018 MON No Yes - - - Resolved Oct 31, 2018 -
Oct 1, 2018 Oct 31, 2018 MON No Yes - - - Resolved Oct 31, 2018 -
Sep 17, 2018 - MR No Yes - - - Resolved Apr 26, 2019 -
Sep 17, 2018 - MR No Yes - - - Resolved Apr 26, 2019 -
Sep 17, 2018 - MR No Yes - - - Resolved Apr 26, 2019 -
Sep 17, 2018 - MR No Yes - - - Resolved Apr 26, 2019 -
May 7, 2016 - Other No No - - - Resolved Mar 8, 2019 -
May 7, 2016 - Other No No - - - Resolved Mar 8, 2019 -
Nov 6, 2015 - Other No No - - - Resolved Jan 21, 2016 -
Nov 1, 2015 Nov 30, 2015 MCL Yes No - 5% of samples - Resolved Nov 30, 2015 -
Nov 1, 2015 Nov 30, 2015 MCL Yes No - 5% of samples - Resolved Nov 30, 2015 -
Nov 1, 2015 Nov 30, 2015 MCL Yes No - 5% of samples - Resolved Nov 30, 2015 -
Nov 1, 2015 Nov 30, 2015 MCL Yes No - 5% of samples - Resolved Nov 30, 2015 -
Oct 29, 2015 - MR No No - - - Resolved Apr 26, 2019 -
Oct 29, 2015 - MR No No - - - Resolved Apr 26, 2019 -
Oct 29, 2015 - MR No No - - - Resolved Apr 26, 2019 -
Oct 29, 2015 - MR No No - - - Resolved Apr 26, 2019 -
Oct 1, 2015 - MR No No - - - Resolved Apr 26, 2019 -
Oct 1, 2015 Oct 31, 2015 MR No No - 5% of samples - Resolved Oct 31, 2015 -
Oct 1, 2015 - MR No No - - - Resolved Apr 26, 2019 -
Oct 1, 2015 - MR No No - - - Resolved Apr 26, 2019 -
Oct 1, 2015 - MR No No - - - Resolved Apr 26, 2019 -
Oct 1, 2015 Oct 31, 2015 MR No No - 5% of samples - Resolved Oct 31, 2015 -
Oct 1, 2015 Oct 31, 2015 MR No No - 5% of samples - Resolved Oct 31, 2015 -
Oct 1, 2015 Oct 31, 2015 MR No No - 5% of samples - Resolved Oct 31, 2015 -
Jul 1, 2015 Sep 30, 2015 MCL Yes No - 5% of samples - Resolved Sep 30, 2015 -
Jul 1, 2015 Sep 30, 2015 MCL Yes No - 5% of samples - Resolved Sep 30, 2015 -

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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