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Safe Drinking Water Information System (SDWIS) Federal Reporting Services

Your Drinking Water Query results from SDWIS Fed Reporting Services

PWS IDIN5206005
PWS NameTHORNTOWN UTILITIES
PWS TypeCommunity water system
Owner TypeLocal government
Primary SourceGround water
Primacy TypeState
Is Wholesaler?No
Population Served1600
County ServedBoone

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
OtherConsumer Confidence Report Inadequate ReportingConsumer Confidence RuleConsumer Confidence Rule1822Open01-OCT-2025 - No
RPTNotification, Known or Potential LSLLead and Copper Rule RevisionsLEAD AND COPPER RULE REVISIONS1821Returned to Compliance02-JUL-2025 - No
OtherConsumer Confidence Report Inadequate ReportingConsumer Confidence RuleConsumer Confidence Rule1819Open01-JUL-2025 - No
MONMonitoring, Routine (RTCR)Revised Total Coliform RuleRevised Total Coliform Rule1818Returned to Compliance01-NOV-201930-NOV-2019No
MRMonitoring, Routine Minor (TCR)Total Coliform RuleColiform (TCR)1813Returned to Compliance01-MAY-201431-MAY-2014No
MRMonitoring and Reporting (DBP)Stage 2 Disinfectants and Disinfection Byproducts RuleTotal Haloacetic Acids (HAA5)1815Returned to Compliance01-JAN-201431-DEC-2014No
MRMonitoring and Reporting (DBP)Stage 2 Disinfectants and Disinfection Byproducts RuleTTHM1814Returned to Compliance01-JAN-201431-DEC-2014No
MRMonitoring, Routine Minor (TCR)Total Coliform RuleColiform (TCR)1812Returned to Compliance01-OCT-200931-OCT-2009No
OtherConsumer Confidence Report Inadequate ReportingConsumer Confidence RuleConsumer Confidence Rule1807Returned to Compliance27-SEP-2007 - No
MCLMaximum Contaminant Level Violation, Monthly (TCR)Total Coliform RuleColiform (TCR)1003Returned to Compliance01-OCT-200231-OCT-2002Yes
MCLMaximum Contaminant Level Violation, Monthly (TCR)Total Coliform RuleColiform (TCR)902Returned to Compliance01-AUG-200231-AUG-2002Yes
MCLMaximum Contaminant Level Violation, Monthly (TCR)Total Coliform RuleColiform (TCR)702Returned to Compliance15-FEB-200214-MAR-2002Yes
OtherConsumer Confidence Report Inadequate ReportingConsumer Confidence RuleConsumer Confidence Rule602Returned to Compliance01-OCT-2001 - No
MRMonitoring, Routine Minor (TCR)Total Coliform RuleColiform (TCR)502Returned to Compliance01-SEP-200130-SEP-2001No
MCLMaximum Contaminant Level Violation, Monthly (TCR)Total Coliform RuleColiform (TCR)301Returned to Compliance01-AUG-200131-AUG-2001Yes
MCLMaximum Contaminant Level Violation, Monthly (TCR)Total Coliform RuleColiform (TCR)200Returned to Compliance01-SEP-200030-SEP-2000Yes
MRMonitoring, Routine Minor (TCR)Total Coliform RuleColiform (TCR)196Returned to Compliance01-DEC-199531-DEC-1995No
OtherSanitary Survey (TCR)Total Coliform Rule - 194Known29-JUN-198928-JUN-1994No
MRMonitoring, RegularRadionuclides and Revised Rad RuleGross Alpha, Excl. Radon and U8930889Known13-JAN-198712-JAN-1991No
MRMonitoring, RegularRadionuclides and Revised Rad RuleGross Alpha, Excl. Radon and U7035180Known30-JUN-198029-SEP-1980No
  • 1 - 20 of 20

Enforcement Actions


Enforcement Actions

Latest Enforcement IDAssociated To Violation IDEnforcement Action Type CodeEnforcement Action DescriptionEnforcement DateOriginator DescriptionEnforcement Comment
6116341821SOXState Compliance achieved31-DEC-2025State -
6116331822SIAState Violation/Reminder Notice09-DEC-2025State -
6116301819SIAState Violation/Reminder Notice26-SEP-2025State -
6116271818SOXState Compliance achieved27-FEB-2020State -
6116241815SOXState Compliance achieved29-JUN-2015State -
6116241814SOXState Compliance achieved29-JUN-2015State -
6116181813SOXState Compliance achieved02-FEB-2015State -
611614902SOXState Compliance achieved21-JUL-2011State -
6116141003SOXState Compliance achieved21-JUL-2011State -
6116131812SOXState Compliance achieved08-NOV-2010State -
6116081807SOXState Compliance achieved04-OCT-2007State -
610103196SOXState Compliance achieved23-OCT-2002State -
610103502SOXState Compliance achieved23-OCT-2002State -
610103301SOXState Compliance achieved23-OCT-2002State -
610103200SOXState Compliance achieved23-OCT-2002State -
610103702SOXState Compliance achieved23-OCT-2002State -
319902602SOXState Compliance achieved29-NOV-2001State -
  • 1 - 17 of 17

PWS Facilities


All Facilities

Facility NameFacility IDIs SourceFacility Type DescriptionWater Type DescriptionAvailability DescriptionFacility Activity Status
WELL #217966YesWell Ground waterPermanentActive
WELL #317967YesWell Ground waterPermanentInactive
WELL #15803YesWell Ground waterPermanentActive
DISTRIBUTION SYSTEM13551NoDistribution System/Zone - - Active
PUMPING FACILITY33287NoPump Facility - - Active
STORAGE TANK #117968NoStorage - - Active
STORAGE TANK #217969NoStorage - - Active
TREATMENT PLANT7176NoTreatment Plant - - Active
  • 1 - 8 of 8

PWS Treatment Processes


Treatment Processes

Facility NameFacility IDTreatment ProcessTreatment Objective
TREATMENT PLANT7176Gaseous Chlorination, PostDisinfection
TREATMENT PLANT7176FluoridationOther
TREATMENT PLANT7176SedimentationParticulate removal
TREATMENT PLANT7176Inhibitor, OrthophosphateCorrosion control
TREATMENT PLANT7176Aeration, CascadeIron removal
TREATMENT PLANT7176Filtration, Pressure SandIron removal
TREATMENT PLANT7176Gaseous Chlorination, PreDisinfection
  • 1 - 7 of 7

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.