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Safe Drinking Water Information System (SDWIS) Federal Reporting Services

Your Drinking Water Query results from SDWIS Fed Reporting Services

PWS IDCA2410700
PWS NameCASTLE AIRPORT
PWS TypeCommunity water system
Owner TypeLocal government
Primary SourceGround water
Primacy TypeState
Is Wholesaler?No
Population Served1650
County ServedMerced

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
RPTLSL ReportingLead and Copper Rule RevisionsLEAD AND COPPER RULE REVISIONS9454009Open17-OCT-2024 - No
TTLSL InventoryLead and Copper Rule RevisionsLEAD AND COPPER RULE REVISIONS9454008Open17-OCT-2024 - Yes
MONMonitoring, Routine (RTCR)Revised Total Coliform RuleRevised Total Coliform Rule9454005Returned to Compliance01-OCT-202131-OCT-2021No
MRMonitoring and Reporting (DBP)Stage 2 Disinfectants and Disinfection Byproducts RuleTotal Haloacetic Acids (HAA5)9454007Returned to Compliance01-JAN-202131-DEC-2021No
MRMonitoring and Reporting (DBP)Stage 2 Disinfectants and Disinfection Byproducts RuleTTHM9454006Returned to Compliance01-JAN-202131-DEC-2021No
MONMonitoring, Routine (RTCR)Revised Total Coliform RuleRevised Total Coliform Rule9454004Returned to Compliance01-NOV-201730-NOV-2017No
MCLMaximum Contaminant Level Violation, Monthly (TCR)Total Coliform RuleColiform (TCR)9454003Returned to Compliance01-JAN-199431-JAN-1994Yes
MCLMaximum Contaminant Level Violation, Monthly (TCR)Total Coliform RuleColiform (TCR)9354001Returned to Compliance01-MAR-199330-APR-1993Yes
OtherNotification, PublicMiscellaneous Other Rules - 9000050Known01-DEC-198931-DEC-1989No
  • 1 - 9 of 9

Enforcement Actions


Enforcement Actions

Latest Enforcement IDAssociated To Violation IDEnforcement Action Type CodeEnforcement Action DescriptionEnforcement DateOriginator DescriptionEnforcement Comment
93540109454006SOXState Compliance achieved16-AUG-2022State -
93540109454007SOXState Compliance achieved16-AUG-2022State -
93540099454005SOXState Compliance achieved31-JAN-2022State -
93540059454003SOXState Compliance achieved25-JAN-2019StateDue to rTCR implementation, this TCR violation has been closed with this SOX enforcement record on 01/25/2019.
93540049454004SOXState Compliance achieved11-OCT-2018State -
93540069354001SOXState Compliance achieved30-MAY-1993StateThis TCR violation has been closed with this SOX enforcement record due to rTCR implementation on 4/1/2016.
  • 1 - 6 of 6

PWS Facilities


All Facilities

Facility NameFacility IDIs SourceFacility Type DescriptionWater Type DescriptionAvailability DescriptionFacility Activity Status
WELL #1148321YesWell Ground waterInterimInactive
WELL 1236251YesWell Ground waterPermanentActive
WELL 1036250YesWell Ground waterPermanentActive
WELL #3CA2410700003YesWell Ground waterOtherInactive
WELL #2CA2410700002YesWell Ground waterOtherInactive
WELL #1CA2410700001YesWell Ground waterOtherInactive
WELL 148330YesWell Ground waterInterimInactive
WELL 248329YesWell Ground waterInterimInactive
WELL 348328YesWell Ground waterInterimInactive
WELL #448327YesWell Ground waterInterimInactive
WELL #548326YesWell Ground waterInterimInactive
WELL #648325YesWell Ground waterInterimInactive
WELL #748324YesWell Ground waterInterimInactive
WELL #848323YesWell Ground waterInterimInactive
WELL #948322YesWell Ground waterInterimInactive
DISTRIBUTION SYSTEM42026NoDistribution System/Zone - - Active
STORAGE TANK 155517NoTreatment Plant - - Active
WELL 12 TRT CL55518NoTreatment Plant - - Active
WELL 10 TRT CL55519NoTreatment Plant - - Active
  • 1 - 19 of 19

PWS Treatment Processes


Treatment Processes

Facility NameFacility IDTreatment ProcessTreatment Objective
STORAGE TANK 155517Hypochlorination, PostDisinfection
WELL 12 TRT CL55518Hypochlorination, PostDisinfection
WELL 10 TRT CL55519Hypochlorination, PostDisinfection
  • 1 - 3 of 3

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.