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PWS ID	CA1510004
PWS Name	CASA LOMA WATER CO, INC.
PWS Type	Community water system
Owner Type	Private
Primary Source	Ground water
Primacy Type	State
Is Wholesaler?	No
Population Served	900
County Served	Kern

The tables below list all violations that the state reported to EPA for this water system. Health-based violations are listed first, followed by treatment technique, MRDL, monitoring, reporting, and other violations.

Health-based	Violations of maximum contaminant levels (MCLs) or maximum residual disinfectant levels (MRDLs), which specify the highest concentrations of contaminants or disinfectants, respectively, allowed in drinking water; or of treatment technique (TT) rules, which specify required processes intended to reduce the amounts of contaminants in drinking water. MCLs, MRDLs, and treatment technique rules are all health-based drinking water standards.
Maximum Contaminant Level or MCL	The highest level of a contaminant that is allowed in drinking water. MCLs are set as close to the MCLGs as feasible using the best available treatment technology.
Treatment Technique	A required process intended to reduce the level of a contaminant in drinking water.
Maximum residual disinfectant level or MRDL	The highest level of a disinfectant allowed in drinking water. There is convincing evidence that addition of a disinfectant is necessary for control of microbial contaminants.
Monitoring & reporting	Failure to conduct regular monitoring of drinking water quality, as required by SDWA, or to submit monitoring results in a timely fashion to the primacy agency or EPA.
Public notification & other	Failure to provide notification to the public as required by the Violations of Public Notification Rule and the Consumer Confidence Report Rule, and violations of other requirements such as those violations related to variances and exemptions.

Violations

Violation Category Code	Violation Type Description	Rule Name	Contaminant Name	Violation ID	Compliance Status Description	Compliance Period Begin Date	Compliance Period End Date	Is Health Based Ind
MON	Monitoring, Routine (RTCR)	Revised Total Coliform Rule	Revised Total Coliform Rule	9912015	System Inactive	01-MAY-2025	31-MAY-2025	No
MON	Monitoring, Routine (RTCR)	Revised Total Coliform Rule	Revised Total Coliform Rule	9912014	System Inactive	01-APR-2025	30-APR-2025	No
MON	Monitoring, Routine (RTCR)	Revised Total Coliform Rule	Revised Total Coliform Rule	9912013	System Inactive	01-MAR-2025	31-MAR-2025	No
RPT	LSL Reporting	Lead and Copper Rule Revisions	LEAD AND COPPER RULE REVISIONS	9912011	System Inactive	17-OCT-2024	-	No
TT	LSL Inventory	Lead and Copper Rule Revisions	LEAD AND COPPER RULE REVISIONS	9912010	System Inactive	17-OCT-2024	-	Yes
MR	Follow-up Or Routine LCR Tap M/R	Lead and Copper Rule	Lead and Copper Rule	9912009	Returned to Compliance	01-JAN-2013	-	No
MR	Monitoring, Routine Major (TCR)	Total Coliform Rule	Coliform (TCR)	1112020	Returned to Compliance	01-JUL-2011	31-JUL-2011	No
MCL	Maximum Contaminant Level Violation, Monthly (TCR)	Total Coliform Rule	Coliform (TCR)	1112019	Returned to Compliance	01-MAY-2011	31-MAY-2011	Yes
MR	Monitoring, Regular	Nitrate Rule	Nitrate	812018	Returned to Compliance	01-JAN-2008	31-DEC-2008	No
MCL	Maximum Contaminant Level Violation, Monthly (TCR)	Total Coliform Rule	Coliform (TCR)	512017	Returned to Compliance	01-APR-2005	30-APR-2005	Yes
MR	Monitoring, Regular	Nitrate Rule	Nitrate	412016	Returned to Compliance	01-JAN-2004	31-DEC-2004	No
MCL	Maximum Contaminant Level Violation, Monthly (TCR)	Total Coliform Rule	Coliform (TCR)	212014	Returned to Compliance	01-AUG-2002	31-AUG-2002	Yes
Other	Notification, Public	Volatile Organic Chemicals	Tetrachloroethylene	212015	Returned to Compliance	01-JUL-2002	30-SEP-2002	No
MCL	Maximum Contaminant Level Violation, Monthly (TCR)	Total Coliform Rule	Coliform (TCR)	112010	Returned to Compliance	01-APR-2001	30-APR-2001	Yes
MR	Monitoring, Regular	Nitrate Rule	Nitrate	112013	Returned to Compliance	01-JAN-2001	31-DEC-2001	No
MCL	Maximum Contaminant Level Violation, Average	Volatile Organic Chemicals	Tetrachloroethylene	12012	Returned to Compliance	25-FEB-2000	30-APR-2001	Yes
MCL	Maximum Contaminant Level Violation, Monthly (TCR)	Total Coliform Rule	Coliform (TCR)	12009	Returned to Compliance	01-OCT-1999	31-OCT-1999	Yes
MCL	Maximum Contaminant Level Violation, Monthly (TCR)	Total Coliform Rule	Coliform (TCR)	9912008	Returned to Compliance	01-SEP-1999	30-SEP-1999	Yes
MCL	Maximum Contaminant Level Violation, Monthly (TCR)	Total Coliform Rule	Coliform (TCR)	9912007	Returned to Compliance	01-AUG-1999	31-AUG-1999	Yes
MCL	Maximum Contaminant Level Violation, Monthly (TCR)	Total Coliform Rule	Coliform (TCR)	9512004	Returned to Compliance	01-SEP-1995	30-SEP-1995	Yes
MR	Monitoring, Routine Minor (TCR)	Total Coliform Rule	Coliform (TCR)	9512005	Returned to Compliance	01-AUG-1995	31-AUG-1995	No
MR	Monitoring, Repeat Minor (TCR)	Total Coliform Rule	Coliform (TCR)	9512006	Returned to Compliance	01-AUG-1995	31-AUG-1995	No
MR	Initial Tap Sampling for Pb and Cu	Lead and Copper Rule	Lead and Copper Rule	95V0001	Returned to Compliance	01-JUL-1993	31-DEC-2003	No

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Enforcement Actions

Latest Enforcement ID	Associated To Violation ID	Enforcement Action Type Code	Enforcement Action Description	Enforcement Date	Originator Description	Enforcement Comment
9612010	9912015	SFL	State Administrative/Compliance Order without penalty issued	16-JUN-2025	State	No Operator since Feb-2025 and No bacts March, April & May 2025
9612010	9912013	SFL	State Administrative/Compliance Order without penalty issued	16-JUN-2025	State	No Operator since Feb-2025 and No bacts March, April & May 2025
9612010	9912014	SFL	State Administrative/Compliance Order without penalty issued	16-JUN-2025	State	No Operator since Feb-2025 and No bacts March, April & May 2025
9612009	112010	SOX	State Compliance achieved	09-MAR-2018	State	RTC: LCR S: 7/27/16, Nitrate S: 6/16/09 & 6/5/06, TCRs.
9612009	9912008	SOX	State Compliance achieved	09-MAR-2018	State	RTC: LCR S: 7/27/16, Nitrate S: 6/16/09 & 6/5/06, TCRs.
9612009	9912007	SOX	State Compliance achieved	09-MAR-2018	State	RTC: LCR S: 7/27/16, Nitrate S: 6/16/09 & 6/5/06, TCRs.
9612009	1112020	SOX	State Compliance achieved	09-MAR-2018	State	RTC: LCR S: 7/27/16, Nitrate S: 6/16/09 & 6/5/06, TCRs.
9612009	1112019	SOX	State Compliance achieved	09-MAR-2018	State	RTC: LCR S: 7/27/16, Nitrate S: 6/16/09 & 6/5/06, TCRs.
9612009	812018	SOX	State Compliance achieved	09-MAR-2018	State	RTC: LCR S: 7/27/16, Nitrate S: 6/16/09 & 6/5/06, TCRs.
9612009	12009	SOX	State Compliance achieved	09-MAR-2018	State	RTC: LCR S: 7/27/16, Nitrate S: 6/16/09 & 6/5/06, TCRs.
9612009	9912009	SOX	State Compliance achieved	09-MAR-2018	State	RTC: LCR S: 7/27/16, Nitrate S: 6/16/09 & 6/5/06, TCRs.
9612009	112013	SOX	State Compliance achieved	09-MAR-2018	State	RTC: LCR S: 7/27/16, Nitrate S: 6/16/09 & 6/5/06, TCRs.
9612009	212014	SOX	State Compliance achieved	09-MAR-2018	State	RTC: LCR S: 7/27/16, Nitrate S: 6/16/09 & 6/5/06, TCRs.
9612009	412016	SOX	State Compliance achieved	09-MAR-2018	State	RTC: LCR S: 7/27/16, Nitrate S: 6/16/09 & 6/5/06, TCRs.
9612009	512017	SOX	State Compliance achieved	09-MAR-2018	State	RTC: LCR S: 7/27/16, Nitrate S: 6/16/09 & 6/5/06, TCRs.
9612007	212015	SOX	State Compliance achieved	30-DEC-2013	State	RTC PCE MCL 2001-2010 03-12-01O-001.
9612007	12012	SOX	State Compliance achieved	30-DEC-2013	State	RTC PCE MCL 2001-2010 03-12-01O-001.
0399999	95V0001	EOX	Federal Compliance achieved	31-DEC-2003	ODSWeb	-
9612003	9512004	SOX	State Compliance achieved	02-NOV-1995	State	CIT NO 03-12-95C-090
9612004	9512006	SIA	State Violation/Reminder Notice	29-SEP-1995	State	ENF_NO:03-12-95E-086; MINOR TCR M&R - NO. ROUTINE & REPEAT SAMPLES
9612004	9512005	SIA	State Violation/Reminder Notice	29-SEP-1995	State	ENF_NO:03-12-95E-086; MINOR TCR M&R - NO. ROUTINE & REPEAT SAMPLES

1 - 21 of 21

All Facilities

Facility Name	Facility ID	Is Source	Facility Type Description	Water Type Description	Availability Description	Facility Activity Status
PURCHASED - CWS-BAKERSFIELD (EMERGENCY)	27056	Yes	Consecutive Connection	Ground water	Permanent	Active
WELL 03 (DEL MAR DR)	17523	Yes	Well	Ground water	Permanent	Active
WELL 04 (LOMITA DR)	17522	Yes	Well	Ground water	Permanent	Active
WELL 02 - DESTROYED 10/99	19103	Yes	Well	Ground water	Other	Inactive
WELL 01 - INACTIVE	23761	Yes	Well	Ground water	Emergency	Inactive
DISTRIBUTION SYSTEM	27057	No	Distribution System/Zone	-	-	Active
WELL 04 - CL2 - INACTIVE XCLD	6821	No	Treatment Plant	-	-	Inactive
WELL 03 - CL2 - INACTIVE XCLD	6822	No	Treatment Plant	-	-	Inactive

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Treatment Processes

No treatment process(es) found. EPA has no record of treatment process(es) reported by the primacy agency for this water system.

For more information on a Water System:
Ask the operators of your water system, contact your primacy agency or file a Freedom of Information Act (FOIA) request.
Drinking water in general: Find out more about your drinking water web site or call the Safe Drinking Water Hotline (1-800-426-4791). EPA has also prepared a table about various regulated drinking water contaminants.
Tools for accessing EPA drinking water data: Safe Drinking Water Information System (SDWIS) Federal Reporting Services and Drinking Water Performance and Results Report.
Research Data: As well as monitoring the levels of drinking water contaminants for which EPA has set standards, EPA, states, and water systems also carry out studies of contaminants that may need to be regulated in the future. For more information about these contaminants, please see the National Contaminant Occurrence Database.

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