Safe Drinking Water Information System (SDWIS) Federal Reporting Services

Your Drinking Water Query results from SDWIS Fed Reporting Services

PWS ID	CA5210003
PWS Name	LOS MOLINOS COMM. SERVICES DIST.
PWS Type	Community water system
Owner Type	Private
Primary Source	Ground water
Primacy Type	State
Is Wholesaler?	No
Population Served	1450
County Served	Tehama

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
MCL	Maximum Contaminant Level Violation, Average	Arsenic Rule	Arsenic	9821032	Returned to Compliance	01-JAN-2020	31-MAR-2020	Yes
MCL	Maximum Contaminant Level Violation, Average	Arsenic Rule	Arsenic	9821031	Returned to Compliance	01-OCT-2019	31-DEC-2019	Yes
MCL	Maximum Contaminant Level Violation, Average	Arsenic Rule	Arsenic	9821030	Returned to Compliance	01-JUL-2019	30-SEP-2019	Yes
MCL	Maximum Contaminant Level Violation, Average	Arsenic Rule	Arsenic	9821029	Returned to Compliance	01-APR-2019	30-JUN-2019	Yes
MCL	Maximum Contaminant Level Violation, Average	Arsenic Rule	Arsenic	9821028	Returned to Compliance	01-JUL-2018	30-SEP-2018	Yes
MCL	Maximum Contaminant Level Violation, Average	Arsenic Rule	Arsenic	9821027	Returned to Compliance	01-APR-2018	30-JUN-2018	Yes
MCL	Maximum Contaminant Level Violation, Average	Arsenic Rule	Arsenic	9821026	Returned to Compliance	01-JAN-2018	31-MAR-2018	Yes
MCL	Maximum Contaminant Level Violation, Average	Arsenic Rule	Arsenic	9821025	Returned to Compliance	01-OCT-2017	31-DEC-2017	Yes
MCL	Maximum Contaminant Level Violation, Average	Arsenic Rule	Arsenic	9821024	Returned to Compliance	01-APR-2017	30-JUN-2017	Yes
MCL	Maximum Contaminant Level Violation, Average	Arsenic Rule	Arsenic	9821023	Returned to Compliance	01-JAN-2017	31-MAR-2017	Yes
MCL	Maximum Contaminant Level Violation, Average	Arsenic Rule	Arsenic	9821022	Returned to Compliance	01-OCT-2016	31-DEC-2016	Yes
MCL	Maximum Contaminant Level Violation, Average	Arsenic Rule	Arsenic	9821021	Returned to Compliance	01-JUL-2016	30-SEP-2016	Yes
MCL	Maximum Contaminant Level Violation, Average	Arsenic Rule	Arsenic	9821019	Returned to Compliance	01-OCT-2015	31-DEC-2015	Yes
MCL	Maximum Contaminant Level Violation, Average	Arsenic Rule	Arsenic	9821018	Returned to Compliance	01-JUL-2015	30-SEP-2015	Yes
MCL	Maximum Contaminant Level Violation, Average	Arsenic Rule	Arsenic	9821015	Returned to Compliance	01-APR-2015	30-JUN-2015	Yes
MCL	Maximum Contaminant Level Violation, Average	Arsenic Rule	Arsenic	9821017	Returned to Compliance	01-JAN-2015	31-MAR-2015	Yes
MCL	Maximum Contaminant Level Violation, Average	Arsenic Rule	Arsenic	9821014	Returned to Compliance	01-OCT-2014	31-DEC-2014	Yes
MCL	Maximum Contaminant Level Violation, Single Sample	Arsenic Rule	Arsenic	9821013	Returned to Compliance	01-JUL-2014	30-SEP-2014	Yes
MCL	Maximum Contaminant Level Violation, Single Sample	Arsenic Rule	Arsenic	9821012	Returned to Compliance	01-APR-2014	30-JUN-2014	Yes
MCL	Maximum Contaminant Level Violation, Average	Arsenic Rule	Arsenic	9821011	Returned to Compliance	01-JAN-2014	31-MAR-2014	Yes
MR	Monitoring and Reporting (DBP)	Stage 2 Disinfectants and Disinfection Byproducts Rule	TTHM	9821020	Returned to Compliance	01-JAN-2014	31-DEC-2016	No
MCL	Maximum Contaminant Level Violation, Average	Arsenic Rule	Arsenic	9821010	Returned to Compliance	01-OCT-2013	31-DEC-2013	Yes
MCL	Maximum Contaminant Level Violation, Average	Arsenic Rule	Arsenic	9821009	Returned to Compliance	01-JUL-2013	30-SEP-2013	Yes
MCL	Maximum Contaminant Level Violation, Average	Arsenic Rule	Arsenic	9821008	Returned to Compliance	01-APR-2013	30-JUN-2013	Yes
MCL	Maximum Contaminant Level Violation, Average	Arsenic Rule	Arsenic	9821016	Returned to Compliance	01-JAN-2013	31-MAR-2013	Yes
MCL	Maximum Contaminant Level Violation, Average	Arsenic Rule	Arsenic	9821007	Returned to Compliance	01-OCT-2012	31-DEC-2012	Yes
MCL	Maximum Contaminant Level Violation, Average	Arsenic Rule	Arsenic	1221022	Returned to Compliance	01-JUL-2012	30-SEP-2012	Yes
MCL	Maximum Contaminant Level Violation, Average	Arsenic Rule	Arsenic	1221021	Returned to Compliance	01-APR-2012	30-JUN-2012	Yes
MCL	Maximum Contaminant Level Violation, Average	Arsenic Rule	Arsenic	1221019	Returned to Compliance	01-JAN-2012	31-MAR-2012	Yes
MCL	Maximum Contaminant Level Violation, Average	Arsenic Rule	Arsenic	1221018	Returned to Compliance	01-OCT-2011	31-DEC-2011	Yes
MCL	Maximum Contaminant Level Violation, Average	Arsenic Rule	Arsenic	1121016	Returned to Compliance	01-JUL-2011	30-SEP-2011	Yes
MR	Follow-up Or Routine LCR Tap M/R	Lead and Copper Rule	Lead and Copper Rule	1121017	Open	01-JUN-2011	-	No
MCL	Maximum Contaminant Level Violation, Average	Arsenic Rule	Arsenic	1121015	Returned to Compliance	01-APR-2011	30-JUN-2011	Yes
MCL	Maximum Contaminant Level Violation, Average	Arsenic Rule	Arsenic	1121014	Returned to Compliance	01-JAN-2011	31-MAR-2011	Yes
MCL	Maximum Contaminant Level Violation, Average	Arsenic Rule	Arsenic	1021013	Returned to Compliance	01-JUL-2010	30-SEP-2010	Yes
MCL	Maximum Contaminant Level Violation, Average	Arsenic Rule	Arsenic	1021012	Returned to Compliance	01-APR-2010	30-JUN-2010	Yes
MCL	Maximum Contaminant Level Violation, Average	Arsenic Rule	Arsenic	1021011	Returned to Compliance	01-JAN-2010	31-MAR-2010	Yes
MCL	Maximum Contaminant Level Violation, Average	Arsenic Rule	Arsenic	1021010	Returned to Compliance	01-OCT-2009	31-DEC-2009	Yes
MCL	Maximum Contaminant Level Violation, Average	Arsenic Rule	Arsenic	921009	Returned to Compliance	01-JUL-2009	30-SEP-2009	Yes
MCL	Maximum Contaminant Level Violation, Average	Arsenic Rule	Arsenic	921008	Returned to Compliance	01-APR-2009	30-JUN-2009	Yes
MCL	Maximum Contaminant Level Violation, Average	Arsenic Rule	Arsenic	999002	Returned to Compliance	01-JAN-2009	31-MAR-2009	Yes
MCL	Maximum Contaminant Level Violation, Average	Arsenic Rule	Arsenic	999001	Returned to Compliance	01-OCT-2008	31-DEC-2008	Yes
MCL	Maximum Contaminant Level Violation, Average	Arsenic Rule	Arsenic	899004	Returned to Compliance	01-JUL-2008	30-SEP-2008	Yes
MCL	Maximum Contaminant Level Violation, Average	Arsenic Rule	Arsenic	899003	Returned to Compliance	01-APR-2008	30-JUN-2008	Yes
MCL	Maximum Contaminant Level Violation, Average	Arsenic Rule	Arsenic	899002	Returned to Compliance	01-JAN-2008	31-MAR-2008	Yes
MCL	Maximum Contaminant Level Violation, Monthly (TCR)	Total Coliform Rule	Coliform (TCR)	221007	Returned to Compliance	01-APR-2002	30-APR-2002	Yes
MCL	Maximum Contaminant Level Violation, Monthly (TCR)	Total Coliform Rule	Coliform (TCR)	9821006	Returned to Compliance	01-JUN-1998	30-JUN-1998	Yes
MCL	Maximum Contaminant Level Violation, Monthly (TCR)	Total Coliform Rule	Coliform (TCR)	9621005	Returned to Compliance	01-AUG-1996	31-AUG-1996	Yes
MCL	Maximum Contaminant Level Violation, Monthly (TCR)	Total Coliform Rule	Coliform (TCR)	9621004	Returned to Compliance	01-JUL-1996	31-JUL-1996	Yes
MCL	Maximum Contaminant Level Violation, Monthly (TCR)	Total Coliform Rule	Coliform (TCR)	9521003	Returned to Compliance	01-AUG-1995	31-AUG-1995	Yes

1 - 50 of 54

Enforcement Actions

Latest Enforcement ID	Associated To Violation ID	Enforcement Action Type Code	Enforcement Action Description	Enforcement Date	Originator Description	Enforcement Comment
9921031	9821006	SOX	State Compliance achieved	01-JUL-2022	State	-
9921031	9821031	SOX	State Compliance achieved	01-JUL-2022	State	-
9921031	221007	SOX	State Compliance achieved	01-JUL-2022	State	-
9921031	899002	SOX	State Compliance achieved	01-JUL-2022	State	-
9921031	899003	SOX	State Compliance achieved	01-JUL-2022	State	-
9921031	899004	SOX	State Compliance achieved	01-JUL-2022	State	-
9921031	921008	SOX	State Compliance achieved	01-JUL-2022	State	-
9921031	921009	SOX	State Compliance achieved	01-JUL-2022	State	-
9921031	999001	SOX	State Compliance achieved	01-JUL-2022	State	-
9921031	999002	SOX	State Compliance achieved	01-JUL-2022	State	-
9921031	1021010	SOX	State Compliance achieved	01-JUL-2022	State	-
9921031	1021011	SOX	State Compliance achieved	01-JUL-2022	State	-
9921031	1021012	SOX	State Compliance achieved	01-JUL-2022	State	-
9921031	1021013	SOX	State Compliance achieved	01-JUL-2022	State	-
9921031	1121014	SOX	State Compliance achieved	01-JUL-2022	State	-
9921031	1121015	SOX	State Compliance achieved	01-JUL-2022	State	-
9921031	1121016	SOX	State Compliance achieved	01-JUL-2022	State	-
9921031	1221018	SOX	State Compliance achieved	01-JUL-2022	State	-
9921031	1221019	SOX	State Compliance achieved	01-JUL-2022	State	-
9921031	1221021	SOX	State Compliance achieved	01-JUL-2022	State	-
9921031	1221022	SOX	State Compliance achieved	01-JUL-2022	State	-
9921031	9221001	SOX	State Compliance achieved	01-JUL-2022	State	-
9921031	9521002	SOX	State Compliance achieved	01-JUL-2022	State	-
9921031	9521003	SOX	State Compliance achieved	01-JUL-2022	State	-
9921031	9621004	SOX	State Compliance achieved	01-JUL-2022	State	-
9921031	9621005	SOX	State Compliance achieved	01-JUL-2022	State	-
9921031	9821032	SOX	State Compliance achieved	01-JUL-2022	State	-
9921031	9821007	SOX	State Compliance achieved	01-JUL-2022	State	-
9921031	9821008	SOX	State Compliance achieved	01-JUL-2022	State	-
9921031	9821009	SOX	State Compliance achieved	01-JUL-2022	State	-
9921031	9821010	SOX	State Compliance achieved	01-JUL-2022	State	-
9921031	9821011	SOX	State Compliance achieved	01-JUL-2022	State	-
9921031	9821012	SOX	State Compliance achieved	01-JUL-2022	State	-
9921031	9821013	SOX	State Compliance achieved	01-JUL-2022	State	-
9921031	9821014	SOX	State Compliance achieved	01-JUL-2022	State	-
9921031	9821015	SOX	State Compliance achieved	01-JUL-2022	State	-
9921031	9821016	SOX	State Compliance achieved	01-JUL-2022	State	-
9921031	9821017	SOX	State Compliance achieved	01-JUL-2022	State	-
9921031	9821018	SOX	State Compliance achieved	01-JUL-2022	State	-
9921031	9821019	SOX	State Compliance achieved	01-JUL-2022	State	-
9921031	9821020	SOX	State Compliance achieved	01-JUL-2022	State	-
9921031	9821021	SOX	State Compliance achieved	01-JUL-2022	State	-
9921031	9821022	SOX	State Compliance achieved	01-JUL-2022	State	-
9921031	9821023	SOX	State Compliance achieved	01-JUL-2022	State	-
9921031	9821024	SOX	State Compliance achieved	01-JUL-2022	State	-
9921031	9821025	SOX	State Compliance achieved	01-JUL-2022	State	-
9921031	9821026	SOX	State Compliance achieved	01-JUL-2022	State	-
9921031	9821027	SOX	State Compliance achieved	01-JUL-2022	State	-
9921031	9821028	SOX	State Compliance achieved	01-JUL-2022	State	-
9921031	9821029	SOX	State Compliance achieved	01-JUL-2022	State	-

1 - 50 of 53

All Facilities

Facility Name	Facility ID	Is Source	Facility Type Description	Water Type Description	Availability Description	Facility Activity Status
WELL 04 (STANFORD)	11637	Yes	Well	Ground water	Permanent	Active
WELL 05 (STANFORD)	67527	Yes	Well	Ground water	Permanent	Active
WELL 02 (NORTH CENTER)	11641	Yes	Well	Ground water	Permanent	Active
WELL 03 (SHERWOOD)	11640	Yes	Well	Ground water	Permanent	Active
DISTRIBUTION SYSTEM	33610	No	Distribution System/Zone	-	-	Active
WELL 02 (NORTH CENTER) - TREATED XCLD	5091	No	Treatment Plant	-	-	Active
WELL 04 (STANFORD) - TREATED XCLD	5093	No	Treatment Plant	-	-	Active
WELL 03 (SHERWOOD) - TREATED XCLD	5105	No	Treatment Plant	-	-	Active
WELLS 04 + 05 BLENDED	68838	No	Treatment Plant	-	-	Active

1 - 9 of 9

Treatment Processes

Facility Name	Facility ID	Treatment Process	Treatment Objective
WELL 02 (NORTH CENTER) - TREATED XCLD	5091	Hypochlorination, Post	Disinfection
WELL 04 (STANFORD) - TREATED XCLD	5093	Hypochlorination, Post	Disinfection
WELL 03 (SHERWOOD) - TREATED XCLD	5105	Hypochlorination, Post	Disinfection
WELLS 04 + 05 BLENDED	68838	Rapid Mix	Inorganics removal

1 - 4 of 4

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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