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Safe Drinking Water Information System (SDWIS) Federal Reporting Services

Your Drinking Water Query results from SDWIS Fed Reporting Services

PWS IDCA4910027
PWS NameSONOMA STATE UNIVERSITY
PWS TypeCommunity water system
Owner TypeState or Territorial Government
Primary SourceGround water
Primacy TypeState
Is Wholesaler?No
Population Served10986
County ServedSonoma

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
MRFollow-up Or Routine LCR Tap M/RLead and Copper RuleLead and Copper Rule9803003Returned to Compliance01-OCT-2017 - No
TTTreatment Technique (SWTR and GWR)Ground Water RuleGroundwater Rule9803004Returned to Compliance01-MAY-201731-MAY-2017Yes
MRMonitoring, Routine Minor (TCR)Total Coliform RuleColiform (TCR)1218012Returned to Compliance01-DEC-201131-DEC-2011No
MCLMaximum Contaminant Level Violation, Monthly (TCR)Total Coliform RuleColiform (TCR)518010Returned to Compliance01-OCT-200431-OCT-2004Yes
MCLMaximum Contaminant Level Violation, Monthly (TCR)Total Coliform RuleColiform (TCR)218006Returned to Compliance01-MAY-200231-MAY-2002Yes
MCLMaximum Contaminant Level Violation, Monthly (TCR)Total Coliform RuleColiform (TCR)18005Returned to Compliance01-SEP-200030-SEP-2000Yes
MCLMaximum Contaminant Level Violation, Monthly (TCR)Total Coliform RuleColiform (TCR)3004Returned to Compliance01-NOV-199930-NOV-1999Yes
MCLMaximum Contaminant Level Violation, Monthly (TCR)Total Coliform RuleColiform (TCR)9803002Returned to Compliance01-MAR-199831-MAR-1998Yes
MRMonitoring, Repeat Minor (TCR)Total Coliform RuleColiform (TCR)9803001Returned to Compliance01-JAN-199831-JAN-1998No
MRInitial Tap Sampling for Pb and CuLead and Copper RuleLead and Copper Rule95V0001Returned to Compliance01-JUL-199331-DEC-2003No
OtherNotification, PublicMiscellaneous Other Rules - 8907951Known01-AUG-198931-AUG-1989No
OtherNotification, PublicMiscellaneous Other Rules - 8907949Known01-FEB-198928-FEB-1989No
OtherNotification, PublicMiscellaneous Other Rules - 8700616Known01-JUN-198730-JUN-1987No
  • 1 - 13 of 13

Enforcement Actions


Enforcement Actions

Latest Enforcement IDAssociated To Violation IDEnforcement Action Type CodeEnforcement Action DescriptionEnforcement DateOriginator DescriptionEnforcement Comment
98180089803003SOXState Compliance achieved27-AUG-2018State -
98180069803004SOXState Compliance achieved13-SEP-2017State -
12180131218012SIAState Violation/Reminder Notice16-MAR-2012StateENF_NO:LETTER 3/16/12; NOV FOR MISSING 1 BACTI 12/11 NOTIFY US IN FUTURE
9818012518010SOXState Compliance achieved30-NOV-2004StateThis TCR violation has been closed with this SOX enforcement record due to rTCR implementation on 4/1/2016.
039999995V0001EOXFederal Compliance achieved31-DEC-2003ODSWeb -
9818011218006SOXState Compliance achieved30-JUN-2002StateThis TCR violation has been closed with this SOX enforcement record due to rTCR implementation on 4/1/2016.
11800918005SFLState Administrative/Compliance Order without penalty issued01-NOV-2000StateENF_NO:02-18-00C-023; MCL IN 9/00-$100 FINE
98180093004SOXState Compliance achieved30-DEC-1999StateThis TCR violation has been closed with this SOX enforcement record due to rTCR implementation on 4/1/2016.
98180049803002SFJState Formal Notice of Violation issued01-JUN-1998StateENF_NO:02-03-98C-025; MARCH 1998 BACTI MCL VIOLATION
98180039803001SOXState Compliance achieved26-FEB-1998StateENF_NO:98EL-00032; REPEATJAN 98
  • 1 - 10 of 10

PWS Facilities


All Facilities

Facility NameFacility IDIs SourceFacility Type DescriptionWater Type DescriptionAvailability DescriptionFacility Activity Status
WELL 02 - INACTIVE20683YesWell Ground waterOtherInactive
WELL 02A11418YesWell Ground waterPermanentActive
WELL 0311195YesWell Ground waterPermanentActive
WELL 0410971YesWell Ground waterPermanentActive
DISTRIBUTION SYSTEM33321NoDistribution System/Zone - - Active
TREATMENT PLANT - WELLS 02A, 03, 045972NoTreatment Plant - - Active
  • 1 - 6 of 6

PWS Treatment Processes


Treatment Processes

Facility NameFacility IDTreatment ProcessTreatment Objective
TREATMENT PLANT - WELLS 02A, 03, 0459724-Log Treatment of VirusesDisinfection
TREATMENT PLANT - WELLS 02A, 03, 045972Hypochlorination, PostDisinfection
  • 1 - 2 of 2

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.