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STANWICH CLUB

Connecticut — Non-Transient Non-Community — PWSID: CT0570164

System Information

PWSIDCT0570164
System NameSTANWICH CLUB
System TypeNon-Transient Non-Community
Water SourceGround Water
Activity StatusActive
Owner TypePrivate
EPA Region01
Serves SchoolNo
WholesalerNo
First ReportedJan 11, 2000
Last ReportedDec 15, 2025

Location & Contact

StateConnecticut
CityGREENWICH
ZIP Code06831
Address888 North Street
OrganizationD'AMBROSIO, GUY
Phone203-869-0555

Population & Service

Population Served130
Service Connections10

Drinking Water Violations (408)

This water system has 408 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
Apr 1, 2024 Jun 30, 2024 Combined Uranium MCL Yes No 32 UG/L 30 ug/L 30 Resolved Jun 30, 2024 Radionuclides and Revised Rad Rule
Apr 1, 2024 Jun 30, 2024 Combined Uranium MCL Yes No 32 UG/L 30 ug/L 30 Resolved Jun 30, 2024 Radionuclides and Revised Rad Rule
Apr 1, 2024 Jun 30, 2024 Gross Alpha, Excl. Radon and U MCL Yes No 18 PCI/L 15 pCi/L 15 Archived Jun 30, 2024 Radionuclides and Revised Rad Rule
Apr 1, 2024 Jun 30, 2024 Combined Uranium MCL Yes No 32 UG/L 30 ug/L 30 Resolved Jun 30, 2024 Radionuclides and Revised Rad Rule
Apr 1, 2024 Jun 30, 2024 Gross Alpha, Excl. Radon and U MCL Yes No 18 PCI/L 15 pCi/L 15 Archived Jun 30, 2024 Radionuclides and Revised Rad Rule
Apr 1, 2024 Jun 30, 2024 Gross Alpha, Excl. Radon and U MCL Yes No 18 PCI/L 15 pCi/L 15 Archived Jun 30, 2024 Radionuclides and Revised Rad Rule
Apr 1, 2024 Jun 30, 2024 Combined Uranium MCL Yes No 32 UG/L 30 ug/L 30 Resolved Jun 30, 2024 Radionuclides and Revised Rad Rule
Jan 1, 2024 Mar 31, 2024 Gross Alpha, Excl. Radon and U MCL Yes No 21 PCI/L 15 pCi/L 15 Archived Mar 31, 2024 Radionuclides and Revised Rad Rule
Jan 1, 2024 Mar 31, 2024 Combined Uranium MCL Yes No 47 UG/L 30 ug/L 30 Resolved Mar 31, 2024 Radionuclides and Revised Rad Rule
Jan 1, 2024 Mar 31, 2024 Combined Uranium MCL Yes No 47 UG/L 30 ug/L 30 Resolved Mar 31, 2024 Radionuclides and Revised Rad Rule
Jan 1, 2024 Mar 31, 2024 Combined Uranium MCL Yes No 47 UG/L 30 ug/L 30 Resolved Mar 31, 2024 Radionuclides and Revised Rad Rule
Jan 1, 2024 Mar 31, 2024 Gross Alpha, Excl. Radon and U MCL Yes No 21 PCI/L 15 pCi/L 15 Archived Mar 31, 2024 Radionuclides and Revised Rad Rule
Jan 1, 2024 Mar 31, 2024 Combined Uranium MCL Yes No 47 UG/L 30 ug/L 30 Resolved Mar 31, 2024 Radionuclides and Revised Rad Rule
Jan 1, 2024 Mar 31, 2024 Gross Alpha, Excl. Radon and U MCL Yes No 21 PCI/L 15 pCi/L 15 Archived Mar 31, 2024 Radionuclides and Revised Rad Rule
Oct 1, 2023 Dec 31, 2023 Gross Alpha, Excl. Radon and U MCL Yes No 25 PCI/L 15 pCi/L 15 Archived Dec 31, 2023 Radionuclides and Revised Rad Rule
Oct 1, 2023 Dec 31, 2023 Combined Uranium MCL Yes No 47 UG/L 30 ug/L 30 Resolved Dec 31, 2023 Radionuclides and Revised Rad Rule
Oct 1, 2023 Dec 31, 2023 Combined Uranium MCL Yes No 47 UG/L 30 ug/L 30 Resolved Dec 31, 2023 Radionuclides and Revised Rad Rule
Oct 1, 2023 Dec 31, 2023 Combined Uranium MCL Yes No 47 UG/L 30 ug/L 30 Resolved Dec 31, 2023 Radionuclides and Revised Rad Rule
Oct 1, 2023 Dec 31, 2023 Gross Alpha, Excl. Radon and U MCL Yes No 25 PCI/L 15 pCi/L 15 Archived Dec 31, 2023 Radionuclides and Revised Rad Rule
Oct 1, 2023 Dec 31, 2023 Gross Alpha, Excl. Radon and U MCL Yes No 25 PCI/L 15 pCi/L 15 Archived Dec 31, 2023 Radionuclides and Revised Rad Rule
Oct 1, 2023 Dec 31, 2023 Combined Uranium MCL Yes No 47 UG/L 30 ug/L 30 Resolved Dec 31, 2023 Radionuclides and Revised Rad Rule
Jul 1, 2023 Sep 30, 2023 Combined Uranium MCL Yes No 49 UG/L 30 ug/L 30 Resolved Sep 30, 2023 Radionuclides and Revised Rad Rule
Jul 1, 2023 Sep 30, 2023 Combined Uranium MCL Yes No 49 UG/L 30 ug/L 30 Resolved Sep 30, 2023 Radionuclides and Revised Rad Rule
Jul 1, 2023 Sep 30, 2023 Combined Uranium MCL Yes No 49 UG/L 30 ug/L 30 Resolved Sep 30, 2023 Radionuclides and Revised Rad Rule
Jul 1, 2023 Sep 30, 2023 Gross Alpha, Excl. Radon and U MCL Yes No 26 PCI/L 15 pCi/L 15 Archived Sep 30, 2023 Radionuclides and Revised Rad Rule
Jul 1, 2023 Sep 30, 2023 Gross Alpha, Excl. Radon and U MCL Yes No 26 PCI/L 15 pCi/L 15 Archived Sep 30, 2023 Radionuclides and Revised Rad Rule
Jul 1, 2023 Sep 30, 2023 Gross Alpha, Excl. Radon and U MCL Yes No 26 PCI/L 15 pCi/L 15 Archived Sep 30, 2023 Radionuclides and Revised Rad Rule
Jul 1, 2023 Sep 30, 2023 Combined Uranium MCL Yes No 49 UG/L 30 ug/L 30 Resolved Sep 30, 2023 Radionuclides and Revised Rad Rule
Apr 1, 2023 Jun 30, 2023 Combined Uranium MCL Yes No 48 UG/L 30 ug/L 30 Resolved Jun 30, 2023 Radionuclides and Revised Rad Rule
Apr 1, 2023 Jun 30, 2023 Combined Uranium MCL Yes No 48 UG/L 30 ug/L 30 Resolved Jun 30, 2023 Radionuclides and Revised Rad Rule
Apr 1, 2023 Jun 30, 2023 Gross Alpha, Excl. Radon and U MCL Yes No 28 PCI/L 15 pCi/L 15 Archived Jun 30, 2023 Radionuclides and Revised Rad Rule
Apr 1, 2023 Jun 30, 2023 Gross Alpha, Excl. Radon and U MCL Yes No 28 PCI/L 15 pCi/L 15 Archived Jun 30, 2023 Radionuclides and Revised Rad Rule
Apr 1, 2023 Jun 30, 2023 Gross Alpha, Excl. Radon and U MCL Yes No 28 PCI/L 15 pCi/L 15 Archived Jun 30, 2023 Radionuclides and Revised Rad Rule
Apr 1, 2023 Jun 30, 2023 Combined Uranium MCL Yes No 48 UG/L 30 ug/L 30 Resolved Jun 30, 2023 Radionuclides and Revised Rad Rule
Apr 1, 2023 Jun 30, 2023 Combined Uranium MCL Yes No 48 UG/L 30 ug/L 30 Resolved Jun 30, 2023 Radionuclides and Revised Rad Rule
Feb 27, 2023 — Public Notice Other No No — — — Resolved Apr 13, 2023 Public Notice Rule and Revised PN Rule
Feb 27, 2023 — Public Notice Other No No — — — Resolved Apr 13, 2023 Public Notice Rule and Revised PN Rule
Feb 27, 2023 — Public Notice Other No No — — — Resolved Apr 13, 2023 Public Notice Rule and Revised PN Rule
Feb 27, 2023 — Public Notice Other No No — — — Resolved Apr 13, 2023 Public Notice Rule and Revised PN Rule
Jan 1, 2023 Mar 31, 2023 Combined Uranium MCL Yes No 49 UG/L 30 ug/L 30 Resolved Mar 31, 2023 Radionuclides and Revised Rad Rule
Jan 1, 2023 Mar 31, 2023 Combined Uranium MCL Yes No 49 UG/L 30 ug/L 30 Resolved Mar 31, 2023 Radionuclides and Revised Rad Rule
Jan 1, 2023 Mar 31, 2023 Gross Alpha, Excl. Radon and U MCL Yes No 33 PCI/L 15 pCi/L 15 Archived Mar 31, 2023 Radionuclides and Revised Rad Rule
Jan 1, 2023 Mar 31, 2023 Combined Uranium MCL Yes No 49 UG/L 30 ug/L 30 Resolved Mar 31, 2023 Radionuclides and Revised Rad Rule
Jan 1, 2023 Mar 31, 2023 Combined Uranium MCL Yes No 49 UG/L 30 ug/L 30 Resolved Mar 31, 2023 Radionuclides and Revised Rad Rule
Jan 1, 2023 Mar 31, 2023 Gross Alpha, Excl. Radon and U MCL Yes No 33 PCI/L 15 pCi/L 15 Archived Mar 31, 2023 Radionuclides and Revised Rad Rule
Jan 1, 2023 Mar 31, 2023 Gross Alpha, Excl. Radon and U MCL Yes No 33 PCI/L 15 pCi/L 15 Archived Mar 31, 2023 Radionuclides and Revised Rad Rule
Oct 1, 2022 Dec 31, 2022 Gross Alpha, Excl. Radon and U MCL Yes No 29 PCI/L 15 pCi/L 15 Archived Dec 31, 2022 Radionuclides and Revised Rad Rule
Oct 1, 2022 Dec 31, 2022 Combined Uranium MCL Yes No 43 UG/L 30 ug/L 30 Resolved Dec 31, 2022 Radionuclides and Revised Rad Rule
Oct 1, 2022 Dec 31, 2022 Combined Uranium MCL Yes No 43 UG/L 30 ug/L 30 Resolved Dec 31, 2022 Radionuclides and Revised Rad Rule
Oct 1, 2022 Dec 31, 2022 Combined Uranium MCL Yes No 43 UG/L 30 ug/L 30 Resolved Dec 31, 2022 Radionuclides and Revised Rad Rule

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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