BIOLA COMMUNITY SERVICES DIST

California — Community Water System — PWSID: CA1010049

System Information

PWSID	CA1010049
System Name	BIOLA 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	BIOLA
ZIP Code	93606
Address	4925 N. SEVENTH STREET
Organization	ZAMORA, CARMEN
Phone	559-843-2657

Population & Service

Population Served	1,623
Service Connections	300

Drinking Water Violations (60)

This water system has 60 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, 2021	Dec 31, 2021	Nitrate	MR	No	Yes	—	10 mg/L	—	Archived	Dec 31, 2021	Nitrate Rule
Jan 1, 2019	Dec 31, 2019	Nitrate	MR	No	Yes	—	10 mg/L	—	Resolved	Dec 31, 2019	Nitrate Rule
Jan 1, 2019	Dec 31, 2019	Nitrate	MR	No	Yes	—	10 mg/L	—	Resolved	Dec 31, 2019	Nitrate Rule
Jan 1, 2017	Dec 31, 2017	Nitrate	MR	No	Yes	—	10 mg/L	—	Resolved	Dec 31, 2017	Nitrate Rule
Jan 1, 2017	Dec 31, 2017	Nitrate	MR	No	Yes	—	10 mg/L	—	Resolved	Dec 31, 2017	Nitrate Rule
Jan 1, 2013	Jan 31, 2013	Coliform (TCR)	MR	No	No	—	5% of samples	—	Resolved	Jan 31, 2013	Total Coliform Rule
Jan 1, 2013	Jan 31, 2013	Coliform (TCR)	MR	No	No	—	5% of samples	—	Resolved	Jan 31, 2013	Total Coliform Rule
Jan 1, 2013	Jan 31, 2013	Coliform (TCR)	MR	No	No	—	5% of samples	—	Resolved	Jan 31, 2013	Total Coliform Rule
Sep 1, 2012	Sep 30, 2012	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Resolved	Sep 30, 2012	Total Coliform Rule
Sep 1, 2012	Sep 30, 2012	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Resolved	Sep 30, 2012	Total Coliform Rule
Aug 1, 2012	Aug 31, 2012	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Resolved	Aug 31, 2012	Total Coliform Rule
Aug 1, 2012	Aug 31, 2012	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Resolved	Aug 31, 2012	Total Coliform Rule
Aug 1, 2012	Aug 31, 2012	Coliform (TCR)	MR	No	No	—	5% of samples	—	Resolved	Aug 31, 2012	Total Coliform Rule
Aug 1, 2012	Aug 31, 2012	Coliform (TCR)	MR	No	No	—	5% of samples	—	Resolved	Aug 31, 2012	Total Coliform Rule
Aug 1, 2012	Aug 31, 2012	Coliform (TCR)	MR	No	No	—	5% of samples	—	Resolved	Aug 31, 2012	Total Coliform Rule
Jul 1, 2012	Jul 31, 2012	Coliform (TCR)	MR	No	No	—	5% of samples	—	Resolved	Jul 31, 2012	Total Coliform Rule
Jul 1, 2012	Jul 31, 2012	Coliform (TCR)	MR	No	No	—	5% of samples	—	Resolved	Jul 31, 2012	Total Coliform Rule
Jun 1, 2012	Jun 30, 2012	Coliform (TCR)	MR	No	No	—	5% of samples	—	Resolved	Jun 30, 2012	Total Coliform Rule
Jun 1, 2012	Jun 30, 2012	Coliform (TCR)	MR	No	No	—	5% of samples	—	Resolved	Jun 30, 2012	Total Coliform Rule
Jun 1, 2012	Jun 30, 2012	Coliform (TCR)	MR	No	No	—	5% of samples	—	Resolved	Jun 30, 2012	Total Coliform Rule
Sep 1, 2011	Sep 30, 2011	Coliform (TCR)	MR	No	No	—	5% of samples	—	Resolved	Sep 30, 2011	Total Coliform Rule
Sep 1, 2011	Sep 30, 2011	Coliform (TCR)	MR	No	No	—	5% of samples	—	Resolved	Sep 30, 2011	Total Coliform Rule
Aug 1, 2011	Aug 31, 2011	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Resolved	Aug 31, 2011	Total Coliform Rule
Aug 1, 2011	Aug 31, 2011	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Resolved	Aug 31, 2011	Total Coliform Rule
Jan 1, 2011	Dec 31, 2011	Nitrate	MR	No	Yes	—	10 mg/L	—	Resolved	Dec 31, 2011	Nitrate Rule
Jan 1, 2011	Dec 31, 2011	Nitrate	MR	No	Yes	—	10 mg/L	—	Resolved	Dec 31, 2011	Nitrate Rule
Jan 1, 2011	Dec 31, 2011	Nitrate	MR	No	Yes	—	10 mg/L	—	Resolved	Dec 31, 2011	Nitrate Rule
Dec 1, 2010	Dec 31, 2010	Coliform (TCR)	MR	No	No	—	5% of samples	—	Resolved	Dec 31, 2010	Total Coliform Rule
Dec 1, 2010	Dec 31, 2010	Coliform (TCR)	MR	No	No	—	5% of samples	—	Resolved	Dec 31, 2010	Total Coliform Rule
Nov 1, 2010	Nov 30, 2010	Coliform (TCR)	MR	No	No	—	5% of samples	—	Resolved	Nov 30, 2010	Total Coliform Rule
Nov 1, 2010	Nov 30, 2010	Coliform (TCR)	MR	No	No	—	5% of samples	—	Resolved	Nov 30, 2010	Total Coliform Rule
Oct 1, 2010	—	Lead and Copper Rule	MR	No	No	—	TT	—	Resolved	Mar 1, 2018	Lead and Copper Rule
Oct 1, 2010	—	Lead and Copper Rule	MR	No	No	—	TT	—	Resolved	Mar 1, 2018	Lead and Copper Rule
Oct 1, 2008	Oct 31, 2008	Coliform (TCR)	MR	No	No	—	5% of samples	—	Resolved	Oct 31, 2008	Total Coliform Rule
Oct 1, 2008	Oct 31, 2008	Coliform (TCR)	MR	No	No	—	5% of samples	—	Resolved	Oct 31, 2008	Total Coliform Rule
Sep 1, 2008	Sep 30, 2008	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Resolved	Sep 30, 2008	Total Coliform Rule
Sep 1, 2008	Sep 30, 2008	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Resolved	Sep 30, 2008	Total Coliform Rule
Jul 1, 2008	—	Consumer Confidence Rule	Other	No	No	—	—	—	Resolved	Jan 1, 2012	Consumer Confidence Rule
Jul 1, 2008	—	Consumer Confidence Rule	Other	No	No	—	—	—	Resolved	Jan 1, 2012	Consumer Confidence Rule
Oct 1, 2005	Oct 31, 2005	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Resolved	Oct 31, 2005	Total Coliform Rule
Oct 1, 2005	Oct 31, 2005	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Resolved	Oct 31, 2005	Total Coliform Rule
Sep 1, 2005	Sep 30, 2005	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Resolved	Sep 30, 2005	Total Coliform Rule
Sep 1, 2005	Sep 30, 2005	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Resolved	Sep 30, 2005	Total Coliform Rule
Oct 1, 2003	Oct 31, 2003	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Resolved	Oct 31, 2003	Total Coliform Rule
Oct 1, 2003	Oct 31, 2003	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Resolved	Oct 31, 2003	Total Coliform Rule
Sep 1, 2003	Sep 30, 2003	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Resolved	Sep 30, 2003	Total Coliform Rule
Sep 1, 2003	Sep 30, 2003	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Resolved	Sep 30, 2003	Total Coliform Rule
Aug 1, 2002	Aug 31, 2002	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Resolved	Aug 31, 2002	Total Coliform Rule
Aug 1, 2002	Aug 31, 2002	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Resolved	Aug 31, 2002	Total Coliform Rule
Apr 1, 2002	Apr 30, 2002	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Resolved	Apr 30, 2002	Total Coliform 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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