Safe Drinking Water Information System (SDWIS) Federal Reporting Services

Your Drinking Water Query results from SDWIS Fed Reporting Services

PWS ID	CA3700938
PWS Name	YUIMA MUNICIPAL WATER DISTRICT IDA
PWS Type	Community water system
Owner Type	Private
Primary Source	Surface water purchased
Primacy Type	State
Is Wholesaler?	No
Population Served	769
County Served	San Diego

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	9814008	Returned to Compliance	01-JUN-2022	30-JUN-2022	No
MCL	Maximum Contaminant Level Violation, Single Sample	Nitrate Rule	Nitrate	1014004	Returned to Compliance	01-MAY-2010	31-MAY-2010	Yes
TT	Treatment Technique Uncovered Reservoir	Interim and Long Term 1 Enhanced Surface Water Treatment Rule	Interim Enhanced Surface Water Treatment Rule	614006	Returned to Compliance	05-JAN-2006	-	Yes
MR	Follow-up Or Routine LCR Tap M/R	Lead and Copper Rule	Lead and Copper Rule	314003	Returned to Compliance	02-JAN-2003	-	No
Other	Operations Report	Miscellaneous Other Rules	-	314002	Returned to Compliance	01-OCT-2002	31-OCT-2002	No
MR	Monitoring, Routine Major (TCR)	Total Coliform Rule	Coliform (TCR)	9814001	Returned to Compliance	01-AUG-1998	31-AUG-1998	No
Other	Notification, Public	Miscellaneous Other Rules	-	8415667	Known	01-JUL-1984	31-JUL-1984	No
Other	Notification, Public	Miscellaneous Other Rules	-	8415665	Known	01-JUN-1984	30-JUN-1984	No
Other	Notification, Public	Miscellaneous Other Rules	-	8415663	Known	01-MAY-1984	31-MAY-1984	No
Other	Notification, Public	Miscellaneous Other Rules	-	8323908	Known	01-SEP-1983	30-SEP-1983	No
Other	Notification, Public	Miscellaneous Other Rules	-	8323906	Known	01-JUL-1983	31-JUL-1983	No
MR	Monitoring, Regular	Radionuclides and Revised Rad Rule	Gross Alpha, Excl. Radon and U	8234740	Known	01-OCT-1981	30-SEP-1982	No
MR	Monitoring, Regular	Radionuclides and Revised Rad Rule	Gross Alpha, Excl. Radon and U	8111733	Known	30-OCT-1980	29-OCT-1981	No

1 - 13 of 13

Enforcement Actions

Latest Enforcement ID	Associated To Violation ID	Enforcement Action Type Code	Enforcement Action Description	Enforcement Date	Originator Description	Enforcement Comment
9814008	9814008	SFJ	State Formal Notice of Violation issued	18-APR-2023	State	-
1114014	614006	SOX	State Compliance achieved	18-NOV-2010	State	ENF_NO:05-14-10CO-002; INSPECTED RESERVOIR 6 ON 11/18
1014011	1014004	SFL	State Administrative/Compliance Order without penalty issued	21-JUN-2010	State	ENF_NO:05-14-10C-021;
714009	9814001	SOX	State Compliance achieved	02-MAR-2007	State	-
714009	314003	SOX	State Compliance achieved	02-MAR-2007	State	-
714009	314002	SOX	State Compliance achieved	02-MAR-2007	State	-

1 - 6 of 6

All Facilities

Facility Name	Facility ID	Is Source	Facility Type Description	Water Type Description	Availability Description	Facility Activity Status
YUIMA MWD - PURCHASED - INTERTIE #3	54700	Yes	Consecutive Connection	Surface water	Permanent	Active
WELL 18	9700	Yes	Well	Ground water	Permanent	Inactive
WELL 20	9676	Yes	Well	Ground water	Permanent	Inactive
WELL 09	9496	Yes	Well	Ground water	Permanent	Inactive
WELL 08	9463	Yes	Well	Ground water	Permanent	Inactive
WELL 50 - HORIZONTAL	58275	Yes	Well	Ground water	Permanent	Inactive
WELL 49 - HORIZONTAL	58199	Yes	Well	Ground water	Permanent	Inactive
WELL 48 - HORIZONTAL	58181	Yes	Well	Ground water	Permanent	Inactive
WELL 47 - HORIZONTAL	57642	Yes	Well	Ground water	Permanent	Inactive
WELL 44 - HORIZONTAL	57231	Yes	Well	Ground water	Permanent	Inactive
WELL 46 - HORIZONTAL	57225	Yes	Well	Ground water	Permanent	Inactive
WELL 45 - HORIZONTAL	57167	Yes	Well	Ground water	Permanent	Inactive
WELL 43 - HORIZONTAL	54591	Yes	Well	Ground water	Permanent	Inactive
WELL 42	53931	Yes	Well	Ground water	Permanent	Inactive
WELL 41	53930	Yes	Well	Ground water	Permanent	Inactive
WELL 13	45045	Yes	Well	Ground water	Permanent	Inactive
WELL 10	45044	Yes	Well	Ground water	Permanent	Inactive
WELL 07A	45043	Yes	Well	Ground water	Permanent	Inactive
WELL 03	45042	Yes	Well	Ground water	Permanent	Inactive
WELL 23	15364	Yes	Well	Ground water	Permanent	Inactive
WELL 24	10235	Yes	Well	Ground water	Permanent	Inactive
WELL 17	9699	Yes	Well	Ground water	Permanent	Active
WELL 14	9657	Yes	Well	Ground water	Permanent	Active
WELL 12	9497	Yes	Well	Ground water	Permanent	Active
WELL 20A	63018	Yes	Well	Ground water	Permanent	Active
WELL 22	62169	Yes	Well	Ground water	Permanent	Active
WELL 19A	54592	Yes	Well	Ground water	Permanent	Active
WELL 29	53929	Yes	Well	Ground water	Permanent	Active
WELL 25	10227	Yes	Well	Ground water	Permanent	Active
WELL 19	CA3700938008	Yes	Well	Ground water	Other	Inactive
WELL 19 - DESTROYED	9678	Yes	Well	Ground water	Other	Inactive
WELL 51	65428	Yes	Well	Ground water	Other	Inactive
WELL 01 - INACTIVE	22288	Yes	Well	Ground water	Other	Inactive
WELL 21A	10237	Yes	Well	Ground water	Other	Inactive
DUNLAP TANK	69218	Yes	Reservoir	Surface water	Permanent	Inactive
YUIMA MWD - PURCHASED - INTERTIE #1	68821	Yes	Consecutive Connection	Surface water	Permanent	Active
YUIMA MWD - PURCHASED - INTERTIE #2	68822	Yes	Consecutive Connection	Surface water	Permanent	Active
DISTRIBUTION SYSTEM	30880	No	Distribution System/Zone	-	-	Active
PERRICONE	73641	No	Storage	-	-	Active
ZONE 4 TANK	73642	No	Storage	-	-	Active
TANK 1 - TREATED	3317	No	Treatment Plant	-	-	Active
EASTSIDE TANK	3318	No	Treatment Plant	-	-	Active
TANK 8 - TREATED	3386	No	Treatment Plant	-	-	Active
WELL 12 - CL2	54810	No	Treatment Plant	-	-	Active
TROMBONE MIXER	69217	No	Treatment Plant	-	-	Active
WELL 13- TREATED CL XCLD	3325	No	Treatment Plant	-	-	Inactive
WELL 10 - TREATED CL XCLD	3326	No	Treatment Plant	-	-	Inactive
WELL 07A - TREATED CL XCLD	3327	No	Treatment Plant	-	-	Inactive
WELL 03 - TREATED CL XCLD	3328	No	Treatment Plant	-	-	Inactive
WELL 21A - TREATED CL - XCLD	3351	No	Treatment Plant	-	-	Inactive

1 - 50 of 57

Treatment Processes

Facility Name	Facility ID	Treatment Process	Treatment Objective
TANK 1 - TREATED	3317	Chloramines	Disinfection
EASTSIDE TANK	3318	Hypochlorination, Pre	Disinfection
WELL 13- TREATED CL XCLD	3325	Hypochlorination, Post	Disinfection
WELL 10 - TREATED CL XCLD	3326	Hypochlorination, Post	Disinfection
WELL 07A - TREATED CL XCLD	3327	Hypochlorination, Post	Disinfection
WELL 03 - TREATED CL XCLD	3328	Hypochlorination, Post	Disinfection
WELL 21A - TREATED CL - XCLD	3351	Hypochlorination, Post	Disinfection
WELL 19 - TREATED CL - XCLD	3361	Gaseous Chlorination, Post	Disinfection
WELL 20 - TREATED CL - XCLD	3379	Hypochlorination, Post	Disinfection
TANK 8 - TREATED	3386	Innovative	Inorganics removal
TANK 8 - TREATED	3386	Hypochlorination, Post	Disinfection
WELL 24 - TREATED CL2	54021	Hypochlorination, Post	Disinfection
WELL 23 - TREATED CL2	54022	Hypochlorination, Post	Disinfection
WELL 12 - CL2	54810	Hypochlorination, Post	Disinfection
TROMBONE MIXER	69217	Chloramines	Disinfection

1 - 15 of 15

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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