GOLDEN STATE WATER COMPANY-CYPRESS RIDGE

California — Community Water System — PWSID: CA4010040

System Information

PWSID	CA4010040
System Name	GOLDEN STATE WATER COMPANY-CYPRESS RIDGE
System Type	Community Water System
Water Source	Ground Water
Activity Status	Active
Owner Type	Private
EPA Region	09
Serves School	No
Wholesaler	No
First Reported	Dec 15, 1992
Last Reported	Nov 17, 2025

Location & Contact

State	California
City	RANCHO CORDOVA
ZIP Code	95670
Address	3005 GOLD CANAL DRIVE
Organization	WHITE, DAWN
Phone	916-853-3615

Population & Service

Population Served	2,026
Service Connections	966

Drinking Water Violations (47)

This water system has 47 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, 2013	Jan 31, 2013	Nitrate	MCL	Yes	No	51 MG/L	10 mg/L	45	Resolved	Jan 31, 2013	Nitrate Rule
Jan 1, 2013	Jan 31, 2013	Nitrate	MCL	Yes	No	51 MG/L	10 mg/L	45	Resolved	Jan 31, 2013	Nitrate Rule
Dec 1, 2011	Dec 31, 2011	Coliform (TCR)	MR	No	No	—	5% of samples	—	Resolved	Dec 31, 2011	Total Coliform Rule
Dec 1, 2011	Dec 31, 2011	Coliform (TCR)	MR	No	No	—	5% of samples	—	Resolved	Dec 31, 2011	Total Coliform Rule
Jul 1, 2011	Jul 31, 2011	Nitrate	Other	No	No	—	10 mg/L	—	Resolved	Jul 31, 2011	Nitrate Rule
Jul 1, 2011	Jul 31, 2011	Nitrate	MR	No	No	—	10 mg/L	—	Resolved	Jul 31, 2011	Nitrate Rule
Jul 1, 2011	Jul 31, 2011	Nitrate	MR	No	No	—	10 mg/L	—	Resolved	Jul 31, 2011	Nitrate Rule
Jul 1, 2011	—	Public Notice	Other	No	No	—	—	—	Resolved	Dec 31, 2011	Public Notice Rule and Revised PN Rule
Jul 1, 2011	Jul 31, 2011	Nitrate	Other	No	No	—	10 mg/L	—	Resolved	Jul 31, 2011	Nitrate Rule
Jul 1, 2011	—	Public Notice	Other	No	No	—	—	—	Resolved	Dec 31, 2011	Public Notice Rule and Revised PN Rule
Dec 1, 2010	Dec 31, 2010	Nitrate-Nitrite	MCL	Yes	No	46 MG/L	—	10	Resolved	Dec 31, 2010	Nitrate Rule
Dec 1, 2010	Dec 31, 2010	Nitrate-Nitrite	MCL	Yes	No	46 MG/L	—	10	Resolved	Dec 31, 2010	Nitrate Rule
Jun 1, 2008	—	Lead and Copper Rule	MR	No	No	—	TT	—	Resolved	Aug 18, 2012	Lead and Copper Rule
Jun 1, 2008	—	Lead and Copper Rule	MR	No	No	—	TT	—	Resolved	Aug 18, 2012	Lead and Copper Rule
Jun 1, 2007	—	Lead and Copper Rule	MR	No	No	—	TT	—	Resolved	Aug 18, 2012	Lead and Copper Rule
Jun 1, 2007	—	Lead and Copper Rule	MR	No	No	—	TT	—	Resolved	Aug 18, 2012	Lead and Copper Rule
May 1, 2002	May 31, 2002	Coliform (TCR)	MR	No	No	—	5% of samples	—	Resolved	May 31, 2002	Total Coliform Rule
May 1, 2002	May 31, 2002	Coliform (TCR)	MR	No	No	—	5% of samples	—	Resolved	May 31, 2002	Total Coliform Rule
Jan 1, 2002	Dec 31, 2002	Nitrite	MR	No	No	—	1 mg/L	—	Resolved	Dec 31, 2002	Nitrate Rule
Jan 1, 2002	Dec 31, 2002	Nitrite	MR	No	No	—	1 mg/L	—	Resolved	Dec 31, 2002	Nitrate Rule
Jan 1, 2002	Dec 31, 2002	Nitrite	MR	No	Yes	—	1 mg/L	—	Resolved	Dec 31, 2002	Nitrate Rule
Jan 1, 2002	Dec 31, 2002	Nitrite	MR	No	Yes	—	1 mg/L	—	Resolved	Dec 31, 2002	Nitrate Rule
Apr 1, 2000	Apr 30, 2000	Coliform (TCR)	MR	No	No	—	5% of samples	—	Resolved	Apr 30, 2000	Total Coliform Rule
Apr 1, 2000	Apr 30, 2000	Coliform (TCR)	MR	No	No	—	5% of samples	—	Resolved	Apr 30, 2000	Total Coliform Rule
Jan 1, 2000	Dec 31, 2002	Chromium	MR	No	Yes	—	0.1 mg/L	—	Resolved	Dec 31, 2002	Inorganic Chemicals
Jan 1, 2000	Dec 31, 2002	Chromium	MR	No	Yes	—	0.1 mg/L	—	Resolved	Dec 31, 2002	Inorganic Chemicals
Jan 1, 2000	Dec 31, 2002	Antimony, Total	MR	No	Yes	—	0.006 mg/L	—	Resolved	Dec 31, 2002	Inorganic Chemicals
Jan 1, 2000	Dec 31, 2002	Antimony, Total	MR	No	Yes	—	0.006 mg/L	—	Resolved	Dec 31, 2002	Inorganic Chemicals
Jan 1, 2000	Dec 31, 2002	Barium	MR	No	Yes	—	2 mg/L	—	Resolved	Dec 31, 2002	Inorganic Chemicals
Jan 1, 2000	Dec 31, 2002	Mercury	MR	No	Yes	—	0.002 mg/L	—	Resolved	Dec 31, 2002	Inorganic Chemicals
Jan 1, 2000	Dec 31, 2002	Arsenic	MR	No	Yes	—	0.010 mg/L	—	Resolved	Dec 31, 2002	Arsenic Rule
Jan 1, 2000	Dec 31, 2002	Barium	MR	No	Yes	—	2 mg/L	—	Resolved	Dec 31, 2002	Inorganic Chemicals
Jan 1, 2000	Dec 31, 2002	Beryllium, Total	MR	No	Yes	—	0.004 mg/L	—	Resolved	Dec 31, 2002	Inorganic Chemicals
Jan 1, 2000	Dec 31, 2002	Beryllium, Total	MR	No	Yes	—	0.004 mg/L	—	Resolved	Dec 31, 2002	Inorganic Chemicals
Jan 1, 2000	Dec 31, 2002	Cadmium	MR	No	Yes	—	0.005 mg/L	—	Resolved	Dec 31, 2002	Inorganic Chemicals
Jan 1, 2000	Dec 31, 2002	Cadmium	MR	No	Yes	—	0.005 mg/L	—	Resolved	Dec 31, 2002	Inorganic Chemicals
Jan 1, 2000	Dec 31, 2002	Fluoride	MR	No	Yes	—	4.0 mg/L	—	Resolved	Dec 31, 2002	Inorganic Chemicals
Jan 1, 2000	Dec 31, 2002	Fluoride	MR	No	Yes	—	4.0 mg/L	—	Resolved	Dec 31, 2002	Inorganic Chemicals
Jan 1, 2000	Dec 31, 2002	Nickel	MR	No	Yes	—	—	—	Resolved	Dec 31, 2002	Inorganic Chemicals
Jan 1, 2000	Dec 31, 2002	Nickel	MR	No	Yes	—	—	—	Resolved	Dec 31, 2002	Inorganic Chemicals
Jan 1, 2000	Dec 31, 2002	Selenium	MR	No	Yes	—	0.05 mg/L	—	Resolved	Dec 31, 2002	Inorganic Chemicals
Jan 1, 2000	Dec 31, 2002	Selenium	MR	No	Yes	—	0.05 mg/L	—	Resolved	Dec 31, 2002	Inorganic Chemicals
Jan 1, 2000	Dec 31, 2002	Thallium, Total	MR	No	Yes	—	0.002 mg/L	—	Resolved	Dec 31, 2002	Inorganic Chemicals
Jan 1, 2000	Dec 31, 2002	Thallium, Total	MR	No	Yes	—	0.002 mg/L	—	Resolved	Dec 31, 2002	Inorganic Chemicals
Jan 1, 2000	Dec 31, 2002	Arsenic	MR	No	Yes	—	0.010 mg/L	—	Resolved	Dec 31, 2002	Arsenic Rule
Jan 1, 2000	Dec 31, 2002	Mercury	MR	No	Yes	—	0.002 mg/L	—	Resolved	Dec 31, 2002	Inorganic Chemicals
—	—		—	No	No	—	—	—	—	—	—

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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