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PWS ID	CA3610001
PWS Name	ADELANTO, CITY OF
PWS Type	Community water system
Owner Type	Local government
Primary Source	Ground water
Primacy Type	State
Is Wholesaler?	Yes
Population Served	39930
County Served	San Bernardino

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
MR	Monitoring, Regular	Nitrate Rule	Nitrate	9413022	Known	01-JAN-2024	31-DEC-2024	No
MR	Monitoring, Regular	Nitrate Rule	Nitrate	9413020	Returned to Compliance	01-JAN-2018	31-DEC-2018	No
MR	Monitoring, Regular	Nitrate Rule	Nitrate	9413018	Returned to Compliance	01-JAN-2015	31-DEC-2015	No
MR	Monitoring, Source Water (GWR)	Ground Water Rule	E. COLI	9413015	Returned to Compliance	01-JUN-2014	-	No
MR	Monitoring, Regular	Nitrate Rule	Nitrate	9413017	Returned to Compliance	01-JAN-2014	31-DEC-2014	No
MR	Monitoring, Regular	Nitrate Rule	Nitrate	9413014	Returned to Compliance	01-JAN-2013	31-DEC-2013	No
MR	Monitoring, Routine Minor (TCR)	Total Coliform Rule	Coliform (TCR)	1113012	Returned to Compliance	01-SEP-2011	30-SEP-2011	No
MCL	Maximum Contaminant Level Violation, Average	Arsenic Rule	Arsenic	1113011	Returned to Compliance	01-APR-2011	30-JUN-2011	Yes
MCL	Maximum Contaminant Level Violation, Average	Arsenic Rule	Arsenic	1113010	Returned to Compliance	01-JAN-2011	31-MAR-2011	Yes
MCL	Maximum Contaminant Level Violation, Average	Arsenic Rule	Arsenic	1013009	Returned to Compliance	01-OCT-2010	31-DEC-2010	Yes
MCL	Maximum Contaminant Level Violation, Average	Arsenic Rule	Arsenic	1013008	Returned to Compliance	01-JUL-2010	30-SEP-2010	Yes
MCL	Maximum Contaminant Level Violation, Average	Arsenic Rule	Arsenic	1013007	Returned to Compliance	01-APR-2010	30-JUN-2010	Yes
MCL	Maximum Contaminant Level Violation, Average	Arsenic Rule	Arsenic	1013006	Returned to Compliance	01-JAN-2010	31-MAR-2010	Yes
MCL	Maximum Contaminant Level Violation, Average	Arsenic Rule	Arsenic	913005	Returned to Compliance	01-OCT-2009	31-DEC-2009	Yes
MCL	Maximum Contaminant Level Violation, Monthly (TCR)	Total Coliform Rule	Coliform (TCR)	313004	Returned to Compliance	01-JUL-2003	31-JUL-2003	Yes
MCL	Maximum Contaminant Level Violation, Average	Inorganic Chemicals	Fluoride	9413013	Known	03-MAR-1994	28-APR-1995	Yes
MR	Initial Tap Sampling for Pb and Cu	Lead and Copper Rule	Lead and Copper Rule	94V0001	Returned to Compliance	30-JUN-1993	01-MAR-2000	No
MCL	Maximum Contaminant Level Violation, Monthly (TCR)	Total Coliform Rule	Coliform (TCR)	9313002	Returned to Compliance	01-OCT-1992	31-OCT-1992	Yes
MCL	Maximum Contaminant Level Violation, Single Sample	Inorganic Chemicals	Fluoride	8900369	Known	01-AUG-1988	31-AUG-1988	Yes
MCL	Maximum Contaminant Level Violation, Single Sample	Inorganic Chemicals	Fluoride	8900368	Known	01-JUL-1988	31-JUL-1988	Yes

1 - 20 of 20

Enforcement Actions

Latest Enforcement ID	Associated To Violation ID	Enforcement Action Type Code	Enforcement Action Description	Enforcement Date	Originator Description	Enforcement Comment
9813036	9413022	SFO	State Administrative/Compliance Order with penalty issued	10-FEB-2025	State	-
9813030	9413020	SFL	State Administrative/Compliance Order without penalty issued	22-FEB-2019	State	-
9813027	1113012	SOX	State Compliance achieved	06-APR-2018	State	-
9813024	9413018	SFJ	State Formal Notice of Violation issued	16-MAY-2016	State	NOTICE OF VIOLATION
9813022	9413017	SOX	State Compliance achieved	02-JUN-2015	State	Notice of Violation- Returned to compliance.
9813020	9413015	SFJ	State Formal Notice of Violation issued	17-APR-2015	State	Failed to monitor source water (GWR) Total Coliform
9813016	9413014	SOX	State Compliance achieved	29-JAN-2014	State	-
9813018	1013006	SOX	State Compliance achieved	06-JUL-2011	State	Associated CO was 13-11O-001
9813018	1013007	SOX	State Compliance achieved	06-JUL-2011	State	Associated CO was 13-11O-001
9813018	1013008	SOX	State Compliance achieved	06-JUL-2011	State	Associated CO was 13-11O-001
9813018	913005	SOX	State Compliance achieved	06-JUL-2011	State	Associated CO was 13-11O-001
9813018	1013009	SOX	State Compliance achieved	06-JUL-2011	State	Associated CO was 13-11O-001
9813018	1113011	SOX	State Compliance achieved	06-JUL-2011	State	Associated CO was 13-11O-001
9813018	1113010	SOX	State Compliance achieved	06-JUL-2011	State	Associated CO was 13-11O-001
413040	313004	SOX	State Compliance achieved	09-OCT-2003	State	-
00E0001	94V0001	EOX	Federal Compliance achieved	01-MAR-2000	ODSWeb	-
9513005	9313002	SOX	State Compliance achieved	10-DEC-1992	State	-

1 - 17 of 17

All Facilities

Facility Name	Facility ID	Is Source	Facility Type Description	Water Type Description	Availability Description	Facility Activity Status
EMERGENCY INTERTIE - BALDY MESA (VVWD)	30554	Yes	Consecutive Connection	Ground water	Emergency	Active
WELL 07 - INACTIVE	9684	Yes	Well	Ground water	Permanent	Inactive
WELL 06	9630	Yes	Well	Ground water	Permanent	Inactive
WELL 04	9588	Yes	Well	Ground water	Permanent	Inactive
WELL 04G	9680	Yes	Well	Ground water	Permanent	Active
WELL 01G	9670	Yes	Well	Ground water	Permanent	Active
WELL 14A	9604	Yes	Well	Ground water	Permanent	Active
WELL 03G2	9603	Yes	Well	Ground water	Permanent	Active
WELL 8G2	9599	Yes	Well	Ground water	Permanent	Active
WELL 05A	9582	Yes	Well	Ground water	Permanent	Active
WELL 15	15461	Yes	Well	Ground water	Permanent	Active
WELL 08A - INACTIVE	9683	Yes	Well	Ground water	Other	Inactive
WELL 06G - INACTIVE	9682	Yes	Well	Ground water	Other	Inactive
WELL 05G - INACTIVE	9681	Yes	Well	Ground water	Other	Inactive
WELL 02G - INACTIVE	9679	Yes	Well	Ground water	Other	Inactive
WELL 14 - INACTIVE	9677	Yes	Well	Ground water	Other	Inactive
WELL 02 - INACTIVE	9597	Yes	Well	Ground water	Other	Inactive
WELL 08G - ABANDONED	7315	Yes	Well	Ground water	Other	Inactive
WELL 07G - INACTIVE	20175	Yes	Well	Ground water	Other	Inactive
WELL 05 - INACTIVE	20157	Yes	Well	Ground water	Other	Inactive
WELL 03G - DESTROYED	17975	Yes	Well	Ground water	Other	Inactive
WELL 03 - DESTROYED	17974	Yes	Well	Ground water	Other	Inactive
EMERGENCY INTERTIE - VICTORVILLE	30555	Yes	Consecutive Connection	Ground water	Emergency	Active
MWA TURNOUT 7	72680	Yes	Consecutive Connection	Ground water	Permanent	Active
DISTRIBUTION SYSTEM	30553	No	Distribution System/Zone	-	-	Active
FE-MN FILTER PLANT EFFLUENT	4220	No	Treatment Plant	-	-	Active
WELL 06 - TREATED (CL2)	45207	No	Treatment Plant	-	-	Active
WELL 07 - TREATED (CL2)	45208	No	Treatment Plant	-	-	Active
LOWER BOOSTER COMPLIANCE POINT	54652	No	Treatment Plant	-	-	Active
AIR BASE ROAD CHLORINATION - INACTIVE	4207	No	Treatment Plant	-	-	Inactive

1 - 30 of 30

Treatment Processes

Facility Name	Facility ID	Treatment Process	Treatment Objective
FE-MN FILTER PLANT EFFLUENT	4220	Filtration, Greensand	Manganese removal
FE-MN FILTER PLANT EFFLUENT	4220	Hypochlorination, Pre	Disinfection
FE-MN FILTER PLANT EFFLUENT	4220	Filtration, Greensand	Iron removal
WELL 06 - TREATED (CL2)	45207	Hypochlorination, Post	Disinfection
WELL 07 - TREATED (CL2)	45208	Hypochlorination, Post	Disinfection
LOWER BOOSTER COMPLIANCE POINT	54652	Rapid Mix	Inorganics removal

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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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