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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.

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Violations

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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
RPT	LSL Reporting	Lead and Copper Rule Revisions	LEAD AND COPPER RULE REVISIONS	1019013	Open	17-OCT-2024	-	No
TT	LSL Inventory	Lead and Copper Rule Revisions	LEAD AND COPPER RULE REVISIONS	1019012	Open	17-OCT-2024	-	Yes
MR	Follow-up Or Routine LCR Tap M/R	Lead and Copper Rule	Lead and Copper Rule	1019011	Open	01-OCT-2024	-	No
MCL	Maximum Contaminant Level Violation, Monthly (TCR)	Total Coliform Rule	Coliform (TCR)	1019007	Returned to Compliance	01-JUN-2015	30-JUN-2015	Yes
MCL	Maximum Contaminant Level Violation, Monthly (TCR)	Total Coliform Rule	Coliform (TCR)	1019006	Returned to Compliance	01-JUL-2013	31-JUL-2013	Yes
MCL	Maximum Contaminant Level Violation, Monthly (TCR)	Total Coliform Rule	Coliform (TCR)	1019005	Returned to Compliance	01-JUN-2013	30-JUN-2013	Yes
MCL	Maximum Contaminant Level Violation, Monthly (TCR)	Total Coliform Rule	Coliform (TCR)	1019004	Returned to Compliance	01-MAY-2010	31-MAY-2010	Yes
MCL	Maximum Contaminant Level Violation, Monthly (TCR)	Total Coliform Rule	Coliform (TCR)	519003	Returned to Compliance	01-MAY-2005	31-MAY-2005	Yes
MCL	Maximum Contaminant Level Violation, Monthly (TCR)	Total Coliform Rule	Coliform (TCR)	519002	Returned to Compliance	01-APR-2005	30-APR-2005	Yes
MCL	Maximum Contaminant Level Violation, Monthly (TCR)	Total Coliform Rule	Coliform (TCR)	419001	Returned to Compliance	01-JUN-2004	30-JUN-2004	Yes
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
Other	Notification, Public	Miscellaneous Other Rules	-	8461193	Known	01-SEP-1984	30-SEP-1984	No
Other	Notification, Public	Miscellaneous Other Rules	-	8461191	Known	01-AUG-1984	31-AUG-1984	No
Other	Notification, Public	Miscellaneous Other Rules	-	8461189	Known	01-JUL-1984	31-JUL-1984	No
MR	Monitoring, Regular	Radionuclides and Revised Rad Rule	Gross Alpha, Excl. Radon and U	8231401	Known	01-OCT-1981	30-SEP-1982	No
MR	Monitoring, Regular	Radionuclides and Revised Rad Rule	Gross Alpha, Excl. Radon and U	8110527	Known	30-OCT-1980	29-OCT-1981	No

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Enforcement Actions

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Latest Enforcement ID	Associated To Violation ID	Enforcement Action Type Code	Enforcement Action Description	Enforcement Date	Originator Description	Enforcement Comment
1119021	1019011	SFL	State Administrative/Compliance Order without penalty issued	03-JUN-2025	State	No LCR samples 2024 year
1119012	1019007	SOX	State Compliance achieved	24-SEP-2015	State	RTC TCR MCL failure June 2015
1119010	1019006	SOX	State Compliance achieved	23-AUG-2013	State	-
1119010	1019005	SOX	State Compliance achieved	23-AUG-2013	State	-
1119008	1019004	SFL	State Administrative/Compliance Order without penalty issued	30-JUN-2011	State	ENF_NO:03-19-11C-019; MAILED OUT JUNE 30 2011
619003	519002	SFL	State Administrative/Compliance Order without penalty issued	27-OCT-2005	State	ENF_NO:#03-19-05C-014; CITATION SENT TOTAL COLIFORM MCL VIOLATION FOR APR & MAY 05
619003	519003	SFL	State Administrative/Compliance Order without penalty issued	27-OCT-2005	State	ENF_NO:#03-19-05C-014; CITATION SENT TOTAL COLIFORM MCL VIOLATION FOR APR & MAY 05
519001	419001	SFJ	State Formal Notice of Violation issued	08-OCT-2004	State	ENF_NO:#03-19-04C-019; CITATION ISSUED JUNE 2004 BACTI MCL VIOLATION
0399999	95V0001	EOX	Federal Compliance achieved	31-DEC-2003	ODSWeb	-

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All Facilities

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Facility Name	Facility ID	Is Source	Facility Type Description	Water Type Description	Availability Description	Facility Activity Status
PURCHASED - OILDALE MWC	26605	Yes	Consecutive Connection	Surface water	Emergency	Active
WELL 01 - RAW	16129	Yes	Well	Ground water	Permanent	Active
DISTRIBUTION SYSTEM	26604	No	Distribution System/Zone	-	-	Active
WELL 01 - CL2	57853	No	Treatment Plant	-	-	Active

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Treatment Processes

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Facility Name	Facility ID	Treatment Process	Treatment Objective
WELL 01 - CL2	57853	Hypochlorination, Post	Disinfection

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