EAST HAMPTON WPCA - ROYAL OAKS SYSTEM

Connecticut — Community Water System — PWSID: CT0429121

System Information

PWSID	CT0429121
System Name	EAST HAMPTON WPCA - ROYAL OAKS SYSTEM
System Type	Community Water System
Water Source	Ground Water
Activity Status	Active
Owner Type	Local
EPA Region	01
Serves School	No
Wholesaler	No
First Reported	Feb 28, 2006
Last Reported	Dec 15, 2025

Location & Contact

State	Connecticut
City	EAST HAMPTON
ZIP Code	06424
Address	20 Gildersleeve Drive
Organization	DESIMONE, ANTHONY M.
Phone	860-267-2536

Population & Service

Population Served	328
Service Connections	82

Drinking Water Violations (261)

This water system has 261 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, 2025	Jun 30, 2025	Chlorine	MR	No	Yes	—	4.0 mg/L	—	Archived	Jun 30, 2025	Stage 1 Disinfectants and Disinfection Byproducts Rule
Apr 1, 2025	Jun 30, 2025	E. COLI	MR	No	Yes	—	—	—	Archived	Jun 30, 2025	Ground Water Rule
Apr 1, 2025	Jun 30, 2025	Revised Total Coliform Rule	MON	No	Yes	—	—	—	Archived	Jun 30, 2025	Revised Total Coliform Rule
Apr 1, 2025	Jun 30, 2025	E. COLI	MR	No	Yes	—	—	—	Archived	Jun 30, 2025	Ground Water Rule
Dec 30, 2024	—	Lead and Copper Rule	MR	No	No	—	TT	—	Resolved	Dec 30, 2024	Lead and Copper Rule
Dec 30, 2023	—	Lead and Copper Rule	MR	No	No	—	TT	—	Resolved	Mar 13, 2024	Lead and Copper Rule
Dec 30, 2023	—	Lead and Copper Rule	MR	No	No	—	TT	—	Resolved	Mar 13, 2024	Lead and Copper Rule
Dec 30, 2022	—	Lead and Copper Rule	MR	No	No	—	TT	—	Resolved	Nov 18, 2022	Lead and Copper Rule
Dec 30, 2022	—	Lead and Copper Rule	MR	No	No	—	TT	—	Resolved	Nov 18, 2022	Lead and Copper Rule
Jan 10, 2017	—	Revised Total Coliform Rule	RPT	No	No	—	—	—	Resolved	Mar 7, 2017	Revised Total Coliform Rule
Jan 10, 2017	—	Revised Total Coliform Rule	RPT	No	No	—	—	—	Resolved	Mar 7, 2017	Revised Total Coliform Rule
Jan 10, 2017	—	Revised Total Coliform Rule	RPT	No	No	—	—	—	Resolved	Mar 7, 2017	Revised Total Coliform Rule
Jan 10, 2017	—	Revised Total Coliform Rule	RPT	No	No	—	—	—	Resolved	Mar 7, 2017	Revised Total Coliform Rule
Oct 1, 2016	Dec 31, 2016	Chlorine	MR	No	Yes	—	4.0 mg/L	—	Resolved	Dec 31, 2016	Stage 1 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2016	Dec 31, 2016	E. COLI	MR	No	Yes	—	—	—	Resolved	Dec 31, 2016	Ground Water Rule
Oct 1, 2016	Dec 31, 2016	E. COLI	MR	No	Yes	—	—	—	Resolved	Dec 31, 2016	Ground Water Rule
Oct 1, 2016	Dec 31, 2016	Chlorine	MR	No	Yes	—	4.0 mg/L	—	Resolved	Dec 31, 2016	Stage 1 Disinfectants and Disinfection Byproducts Rule
Apr 1, 2015	—	Lead and Copper Rule	TT	Yes	No	—	TT	—	Resolved	Dec 31, 2015	Lead and Copper Rule
Apr 1, 2015	—	Lead and Copper Rule	TT	Yes	No	—	TT	—	Resolved	Dec 31, 2015	Lead and Copper Rule
Apr 1, 2015	—	Lead and Copper Rule	TT	Yes	No	—	TT	—	Resolved	Dec 31, 2015	Lead and Copper Rule
Apr 1, 2015	—	Lead and Copper Rule	TT	Yes	No	—	TT	—	Resolved	Dec 31, 2015	Lead and Copper Rule
Oct 1, 2014	—	Lead and Copper Rule	MR	No	No	—	TT	—	Resolved	Aug 24, 2015	Lead and Copper Rule
Oct 1, 2014	—	Lead and Copper Rule	MR	No	No	—	TT	—	Resolved	Aug 24, 2015	Lead and Copper Rule
Oct 1, 2014	—	Lead and Copper Rule	MR	No	No	—	TT	—	Resolved	Aug 24, 2015	Lead and Copper Rule
Oct 1, 2014	—	Lead and Copper Rule	MR	No	No	—	TT	—	Resolved	Aug 24, 2015	Lead and Copper Rule
Jan 1, 2014	Dec 31, 2016	OXAMYL	MR	No	Yes	—	0.2 mg/L	—	Resolved	Dec 31, 2016	Synthetic Organic Chemicals
Jan 1, 2014	Dec 31, 2016	Endrin	MR	No	Yes	—	0.002 mg/L	—	Resolved	Dec 31, 2016	Synthetic Organic Chemicals
Jan 1, 2014	Dec 31, 2016	Di(2-ethylhexyl) adipate	MR	No	Yes	—	0.4 mg/L	—	Resolved	Dec 31, 2016	Synthetic Organic Chemicals
Jan 1, 2014	Dec 31, 2016	Diquat	MR	No	Yes	—	0.02 mg/L	—	Resolved	Dec 31, 2016	Synthetic Organic Chemicals
Jan 1, 2014	Dec 31, 2014	Nitrite	MR	No	Yes	—	1 mg/L	—	Resolved	Dec 31, 2014	Nitrate Rule
Jan 1, 2014	Dec 31, 2014	Nitrite	MR	No	Yes	—	1 mg/L	—	Resolved	Dec 31, 2014	Nitrate Rule
Jan 1, 2014	Dec 31, 2014	Nitrite	MR	No	Yes	—	1 mg/L	—	Resolved	Dec 31, 2014	Nitrate Rule
Jan 1, 2014	Dec 31, 2014	Nitrate	MR	No	Yes	—	10 mg/L	—	Resolved	Dec 31, 2014	Nitrate Rule
Jan 1, 2014	Dec 31, 2014	Nitrate	MR	No	Yes	—	10 mg/L	—	Resolved	Dec 31, 2014	Nitrate Rule
Jan 1, 2014	Dec 31, 2014	Nitrate	MR	No	Yes	—	10 mg/L	—	Resolved	Dec 31, 2014	Nitrate Rule
Jan 1, 2014	Dec 31, 2014	Nitrite	MR	No	Yes	—	1 mg/L	—	Resolved	Dec 31, 2014	Nitrate Rule
Jan 1, 2014	Dec 31, 2016	Di(2-ethylhexyl) adipate	MR	No	Yes	—	0.4 mg/L	—	Resolved	Dec 31, 2016	Synthetic Organic Chemicals
Jan 1, 2014	Dec 31, 2014	Nitrate	MR	No	Yes	—	10 mg/L	—	Resolved	Dec 31, 2014	Nitrate Rule
Jan 1, 2014	Dec 31, 2016	Chromium	MR	No	Yes	—	0.1 mg/L	—	Resolved	Dec 31, 2016	Inorganic Chemicals
Jan 1, 2014	Dec 31, 2016	Beryllium, Total	MR	No	Yes	—	0.004 mg/L	—	Resolved	Dec 31, 2016	Inorganic Chemicals
Jan 1, 2014	Dec 31, 2016	Beryllium, Total	MR	No	Yes	—	0.004 mg/L	—	Resolved	Dec 31, 2016	Inorganic Chemicals
Jan 1, 2014	Dec 31, 2016	Nickel	MR	No	Yes	—	—	—	Resolved	Dec 31, 2016	Inorganic Chemicals
Jan 1, 2014	Dec 31, 2016	Nickel	MR	No	Yes	—	—	—	Resolved	Dec 31, 2016	Inorganic Chemicals
Jan 1, 2014	Dec 31, 2014	Nitrite	MR	No	Yes	—	1 mg/L	—	Resolved	Dec 31, 2014	Nitrate Rule
Jan 1, 2014	Dec 31, 2016	Chromium	MR	No	Yes	—	0.1 mg/L	—	Resolved	Dec 31, 2016	Inorganic Chemicals
Jan 1, 2014	Dec 31, 2016	Cadmium	MR	No	Yes	—	0.005 mg/L	—	Resolved	Dec 31, 2016	Inorganic Chemicals
Jan 1, 2014	Dec 31, 2016	Cadmium	MR	No	Yes	—	0.005 mg/L	—	Resolved	Dec 31, 2016	Inorganic Chemicals
Jan 1, 2014	Dec 31, 2016	Barium	MR	No	Yes	—	2 mg/L	—	Resolved	Dec 31, 2016	Inorganic Chemicals
Jan 1, 2014	Dec 31, 2016	Barium	MR	No	Yes	—	2 mg/L	—	Resolved	Dec 31, 2016	Inorganic Chemicals
Jan 1, 2014	Dec 31, 2014	Nitrite	MR	No	Yes	—	1 mg/L	—	Resolved	Dec 31, 2014	Nitrate 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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