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Safe Drinking Water Information System (SDWIS) Federal Reporting Services

Your Drinking Water Query results from SDWIS Fed Reporting Services

PWS IDCA4810002
PWS NameCALIFORNIA WATER SERVICE CO. - DIXON
PWS TypeCommunity water system
Owner TypePrivate
Primary SourceGround water
Primacy TypeState
Is Wholesaler?No
Population Served10623
County ServedSolano

Note


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.

PWS Violation


Violations

Violation Category CodeViolation Type DescriptionRule NameContaminant NameViolation IDCompliance Status DescriptionCompliance Period Begin DateCompliance Period End DateIs Health Based Ind
MRInitial Tap Sampling for Pb and CuLead and Copper RuleLead and Copper Rule94V0001Returned to Compliance30-JUN-199301-MAR-2000No
MCLMaximum Contaminant Level Violation, Monthly (TCR)Total Coliform RuleColiform (TCR)9304005Returned to Compliance01-OCT-199231-OCT-1992Yes
  • 1 - 2 of 2

Enforcement Actions


Enforcement Actions

Latest Enforcement IDAssociated To Violation IDEnforcement Action Type CodeEnforcement Action DescriptionEnforcement DateOriginator DescriptionEnforcement Comment
00E000194V0001EOXFederal Compliance achieved01-MAR-2000ODSWeb -
93040129304005SOXState Compliance achieved30-NOV-1992StateThis TCR violation has been closed with this SOX enforcement record due to rTCR implementation on 4/1/2016.
  • 1 - 2 of 2

PWS Facilities


All Facilities

Facility NameFacility IDIs SourceFacility Type DescriptionWater Type DescriptionAvailability DescriptionFacility Activity Status
WELL 02-0112573YesWell Ground waterEmergencyActive
WELL 0948145YesWell Ground waterPermanentActive
WELL 07-0112743YesWell Ground waterPermanentActive
WELL 01-0312572YesWell Ground waterPermanentActive
WELL 01-02 - INACTIVECA4810002001YesWell Ground waterOtherInactive
WELL 01-02 - DESTROYED21503YesWell Ground waterOtherInactive
WELL 04-01 - DESTROYED12772YesWell Ground waterOtherInactive
WELL 04-02 - STANDBY63095YesWell Ground waterEmergencyActive
WELL 08-0112744YesWell Ground waterEmergencyActive
WELL 06-0112742YesWell Ground waterEmergencyActive
WELL 03-01 - STANDBY12672YesWell Ground waterEmergencyActive
WELL 05-0112656YesWell Ground waterEmergencyActive
DISTRIBUTION SYSTEM32496NoDistribution System/Zone - - Active
WELL 01-03 - TREATED - SBA/IX1329NoTreatment Plant - - Active
WELL 03-01 - TREATED1330NoTreatment Plant - - Active
WELL 05-01 - TREATED1332NoTreatment Plant - - Active
WELL 06-01 - TREATED1333NoTreatment Plant - - Active
WELL 07-01 - TREATED1334NoTreatment Plant - - Active
WELL 08-01 - TREATED1335NoTreatment Plant - - Active
WELL 02-01 - TREATED53611NoTreatment Plant - - Active
WELL 09 - TREATED - SBA/IX60519NoTreatment Plant - - Active
WELL 04-02 - TREATED63096NoTreatment Plant - - Active
WELL 04-01 - TREATED [DESTROYED]1331NoTreatment Plant - - Inactive
  • 1 - 23 of 23

PWS Treatment Processes


Treatment Processes

Facility NameFacility IDTreatment ProcessTreatment Objective
WELL 01-03 - TREATED - SBA/IX1329Ion ExchangeInorganics removal
WELL 01-03 - TREATED - SBA/IX1329Hypochlorination, PostDisinfection
WELL 03-01 - TREATED1330Hypochlorination, PostDisinfection
WELL 04-01 - TREATED [DESTROYED]1331Hypochlorination, PostDisinfection
WELL 05-01 - TREATED1332Hypochlorination, PostDisinfection
WELL 06-01 - TREATED1333Hypochlorination, PostDisinfection
WELL 07-01 - TREATED1334Hypochlorination, PostDisinfection
WELL 08-01 - TREATED1335Hypochlorination, PostDisinfection
WELL 02-01 - TREATED53611Hypochlorination, PostDisinfection
WELL 09 - TREATED - SBA/IX60519Ion ExchangeInorganics removal
WELL 04-02 - TREATED63096Hypochlorination, PostDisinfection
  • 1 - 11 of 11

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.