ARMONA COMMUNITY SERVICES DIST

California — Community Water System — PWSID: CA1610001

System Information

PWSID	CA1610001
System Name	ARMONA COMMUNITY SERVICES DIST
System Type	Community Water System
Water Source	Ground Water
Activity Status	Active
Owner Type	Local
EPA Region	09
Serves School	No
Wholesaler	No
First Reported	Mar 22, 1979
Last Reported	Nov 17, 2025

Location & Contact

State	California
City	ARMONA
ZIP Code	93202
Address	P. O. BOX 486
Organization	CHAVARIN, VICTOR
Phone	559-584-4542

Population & Service

Population Served	4,143
Service Connections	1,405

Drinking Water Violations (288)

This water system has 288 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
Jul 1, 2016	Sep 30, 2016	TTHM	MCL	Yes	No	.091 MG/L	0.080 mg/L	.08	Resolved	Sep 30, 2016	Stage 2 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2016	Sep 30, 2016	TTHM	MCL	Yes	No	.091 MG/L	0.080 mg/L	.08	Resolved	Sep 30, 2016	Stage 2 Disinfectants and Disinfection Byproducts Rule
Apr 1, 2016	Jun 30, 2016	TTHM	MCL	Yes	No	.092 MG/L	0.080 mg/L	.08	Resolved	Jun 30, 2016	Stage 2 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2016	Mar 31, 2016	TTHM	MCL	Yes	No	.0948 MG/L	0.080 mg/L	.08	Resolved	Mar 31, 2016	Stage 2 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2015	Dec 31, 2015	TTHM	MCL	Yes	No	.0868 MG/L	0.080 mg/L	.08	Resolved	Dec 31, 2015	Stage 2 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2015	Dec 31, 2015	TTHM	MCL	Yes	No	.0868 MG/L	0.080 mg/L	.08	Resolved	Dec 31, 2015	Stage 2 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2015	Sep 30, 2015	TTHM	MCL	Yes	No	.084 MG/L	0.080 mg/L	.08	Resolved	Sep 30, 2015	Stage 2 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2015	Sep 30, 2015	TTHM	MCL	Yes	No	.084 MG/L	0.080 mg/L	.08	Resolved	Sep 30, 2015	Stage 2 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2012	Mar 31, 2012	Arsenic	MCL	Yes	No	.0125 MG/L	0.010 mg/L	.01	Resolved	Mar 31, 2012	Arsenic Rule
Jan 1, 2012	Mar 31, 2012	Arsenic	MCL	Yes	No	.0125 MG/L	0.010 mg/L	.01	Resolved	Mar 31, 2012	Arsenic Rule
Jan 1, 2012	Mar 31, 2012	Arsenic	MCL	Yes	No	.0125 MG/L	0.010 mg/L	.01	Resolved	Mar 31, 2012	Arsenic Rule
Oct 1, 2011	Dec 31, 2011	Arsenic	MCL	Yes	No	.0143 MG/L	0.010 mg/L	.01	Resolved	Dec 31, 2011	Arsenic Rule
Oct 1, 2011	Dec 31, 2011	Arsenic	MCL	Yes	No	.0143 MG/L	0.010 mg/L	.01	Resolved	Dec 31, 2011	Arsenic Rule
Oct 1, 2011	Dec 31, 2011	Arsenic	MCL	Yes	No	.0143 MG/L	0.010 mg/L	.01	Resolved	Dec 31, 2011	Arsenic Rule
Jul 1, 2011	Sep 30, 2011	Arsenic	MCL	Yes	No	.014 MG/L	0.010 mg/L	.01	Resolved	Sep 30, 2011	Arsenic Rule
Jul 1, 2011	Sep 30, 2011	Arsenic	MCL	Yes	No	.014 MG/L	0.010 mg/L	.01	Resolved	Sep 30, 2011	Arsenic Rule
Jul 1, 2011	Sep 30, 2011	Arsenic	MCL	Yes	No	.014 MG/L	0.010 mg/L	.01	Resolved	Sep 30, 2011	Arsenic Rule
Jul 1, 2011	Jul 31, 2011	Coliform (TCR)	MR	No	No	—	5% of samples	—	Resolved	Jul 31, 2011	Total Coliform Rule
Jul 1, 2011	Jul 31, 2011	Coliform (TCR)	MR	No	No	—	5% of samples	—	Resolved	Jul 31, 2011	Total Coliform Rule
Apr 1, 2011	Jun 30, 2011	Arsenic	MCL	Yes	No	.013 MG/L	0.010 mg/L	.01	Resolved	Jun 30, 2011	Arsenic Rule
Apr 1, 2011	Jun 30, 2011	Arsenic	MCL	Yes	No	.013 MG/L	0.010 mg/L	.01	Resolved	Jun 30, 2011	Arsenic Rule
Apr 1, 2011	Jun 30, 2011	Arsenic	MCL	Yes	No	.013 MG/L	0.010 mg/L	.01	Resolved	Jun 30, 2011	Arsenic Rule
Jan 1, 2011	Mar 31, 2011	Arsenic	MCL	Yes	No	.0122 MG/L	0.010 mg/L	.01	Resolved	Mar 31, 2011	Arsenic Rule
Jan 1, 2011	Mar 31, 2011	Arsenic	MCL	Yes	No	.0122 MG/L	0.010 mg/L	.01	Resolved	Mar 31, 2011	Arsenic Rule
Jan 1, 2011	Mar 31, 2011	Arsenic	MCL	Yes	No	.0122 MG/L	0.010 mg/L	.01	Resolved	Mar 31, 2011	Arsenic Rule
Apr 1, 2010	Jun 30, 2010	Arsenic	MCL	Yes	No	.026 MG/L	0.010 mg/L	.01	Resolved	Jun 30, 2010	Arsenic Rule
Apr 1, 2010	Jun 30, 2010	Arsenic	MCL	Yes	No	.026 MG/L	0.010 mg/L	.01	Resolved	Jun 30, 2010	Arsenic Rule
Apr 1, 2010	Jun 30, 2010	Arsenic	MCL	Yes	No	.026 MG/L	0.010 mg/L	.01	Resolved	Jun 30, 2010	Arsenic Rule
Jan 1, 2010	Mar 31, 2010	Arsenic	MCL	Yes	No	.026 MG/L	0.010 mg/L	.01	Resolved	Mar 31, 2010	Arsenic Rule
Jan 1, 2010	Mar 31, 2010	Arsenic	MCL	Yes	No	.026 MG/L	0.010 mg/L	.01	Resolved	Mar 31, 2010	Arsenic Rule
Jan 1, 2010	Mar 31, 2010	Arsenic	MCL	Yes	No	.026 MG/L	0.010 mg/L	.01	Resolved	Mar 31, 2010	Arsenic Rule
Oct 1, 2009	Dec 31, 2009	Arsenic	MCL	Yes	No	.018 MG/L	0.010 mg/L	.01	Resolved	Dec 31, 2009	Arsenic Rule
Oct 1, 2009	Dec 31, 2009	Arsenic	MCL	Yes	No	.018 MG/L	0.010 mg/L	.01	Resolved	Dec 31, 2009	Arsenic Rule
Oct 1, 2009	Dec 31, 2009	Arsenic	MCL	Yes	No	.018 MG/L	0.010 mg/L	.01	Resolved	Dec 31, 2009	Arsenic Rule
Jul 1, 2009	Sep 30, 2009	Arsenic	MCL	Yes	No	.0203 MG/L	0.010 mg/L	.01	Resolved	Sep 30, 2009	Arsenic Rule
Jul 1, 2009	Sep 30, 2009	Arsenic	MCL	Yes	No	.0203 MG/L	0.010 mg/L	.01	Resolved	Sep 30, 2009	Arsenic Rule
Jul 1, 2009	Sep 30, 2009	Arsenic	MCL	Yes	No	.0203 MG/L	0.010 mg/L	.01	Resolved	Sep 30, 2009	Arsenic Rule
Apr 1, 2009	Jun 30, 2009	Arsenic	MCL	Yes	No	.0206 MG/L	0.010 mg/L	.01	Resolved	Jun 30, 2009	Arsenic Rule
Apr 1, 2009	Jun 30, 2009	Arsenic	MCL	Yes	No	.0206 MG/L	0.010 mg/L	.01	Resolved	Jun 30, 2009	Arsenic Rule
Apr 1, 2009	Jun 30, 2009	Arsenic	MCL	Yes	No	.0206 MG/L	0.010 mg/L	.01	Resolved	Jun 30, 2009	Arsenic Rule
Jan 1, 2009	Mar 31, 2009	Arsenic	MCL	Yes	No	.0267 MG/L	0.010 mg/L	.01	Resolved	Mar 31, 2009	Arsenic Rule
Jan 1, 2009	Mar 31, 2009	Arsenic	MCL	Yes	No	.0267 MG/L	0.010 mg/L	.01	Resolved	Mar 31, 2009	Arsenic Rule
Jan 1, 2009	Mar 31, 2009	Arsenic	MCL	Yes	No	.0267 MG/L	0.010 mg/L	.01	Resolved	Mar 31, 2009	Arsenic Rule
Jan 1, 2008	Dec 30, 2008	Nitrate	MR	No	Yes	—	10 mg/L	—	Resolved	Dec 30, 2008	Nitrate Rule
Oct 1, 2006	Dec 31, 2006	Arsenic	MCL	Yes	No	.0208 MG/L	0.010 mg/L	.01	Resolved	Dec 31, 2006	Arsenic Rule
Oct 1, 2006	Dec 31, 2006	Arsenic	MCL	Yes	No	.0208 MG/L	0.010 mg/L	.01	Resolved	Dec 31, 2006	Arsenic Rule
Oct 1, 2006	Dec 31, 2006	Arsenic	MCL	Yes	No	.0208 MG/L	0.010 mg/L	.01	Resolved	Dec 31, 2006	Arsenic Rule
Oct 1, 2005	Dec 31, 2005	TTHM	MCL	Yes	No	.0821 MG/L	0.080 mg/L	.08	Resolved	Dec 31, 2005	Stage 1 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2005	Sep 30, 2005	TTHM	MCL	Yes	No	.085 MG/L	0.080 mg/L	.08	Resolved	Sep 30, 2005	Stage 1 Disinfectants and Disinfection Byproducts Rule
Apr 1, 2005	Jun 30, 2005	TTHM	MCL	Yes	No	.0869 MG/L	0.080 mg/L	.08	Resolved	Jun 30, 2005	Stage 1 Disinfectants and Disinfection Byproducts 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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