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Your Drinking Water Query results from SDWIS Fed Reporting Services

PWS IDTN0000205
PWS NameDUNLAP WATER SYSTEM
PWS TypeCommunity water system
Owner TypeLocal government
Primary SourceSurface water
Primacy TypeState
Is Wholesaler?No
Population Served9782
County ServedSequatchie

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 Complete Failure to ReportConsumer Confidence RuleConsumer Confidence Rule15Open01-JUL-2025 - No
OtherConsumer Confidence Report Inadequate ReportingConsumer Confidence RuleConsumer Confidence Rule16Open01-JUL-2025 - No
MRMonitoring and Reporting (DBP)Stage 1 Disinfectants and Disinfection Byproducts RuleCARBON, TOTAL14Known01-JAN-202531-MAR-2025No
OtherConsumer Confidence Report Inadequate ReportingConsumer Confidence RuleConsumer Confidence Rule13Open01-JUL-2024 - No
MRMonitoring and Reporting (DBP)Stage 2 Disinfectants and Disinfection Byproducts RuleTTHM10Returned to Compliance01-JUL-202330-SEP-2023No
MRMonitoring and Reporting (DBP)Stage 2 Disinfectants and Disinfection Byproducts RuleTotal Haloacetic Acids (HAA5)11Returned to Compliance01-JUL-202330-SEP-2023No
MRMonitoring and Reporting (DBP)Stage 2 Disinfectants and Disinfection Byproducts RuleTotal Haloacetic Acids (HAA5)9Returned to Compliance01-JAN-202331-MAR-2023No
MRMonitoring and Reporting (DBP)Stage 2 Disinfectants and Disinfection Byproducts RuleTTHM8Returned to Compliance01-JAN-202331-MAR-2023No
MRFollow-up Or Routine LCR Tap M/RLead and Copper RuleLead and Copper Rule12Returned to Compliance01-JAN-2023 - No
MRMonitoring and Reporting (DBP)Stage 2 Disinfectants and Disinfection Byproducts RuleTotal Haloacetic Acids (HAA5)5Returned to Compliance01-JUL-202030-SEP-2020No
MRMonitoring and Reporting (DBP)Stage 2 Disinfectants and Disinfection Byproducts RuleTTHM6Returned to Compliance01-JUL-202030-SEP-2020No
MCLMaximum Contaminant Level Violation, Monthly (TCR)Total Coliform RuleColiform (TCR)1Returned to Compliance01-AUG-201031-AUG-2010Yes
TTTreatment Technique (SWTR and GWR)Surface Water Treatment RuleSurface Water Treatment Rule9700580Known01-MAR-199731-MAR-1997Yes
MRMonitoring, Routine Minor (TCR)Total Coliform RuleColiform (TCR)9503047Known01-OCT-199431-OCT-1994No
MRMonitoring, Routine Minor (TCR)Total Coliform RuleColiform (TCR)9402858Known01-SEP-199430-SEP-1994No
MRMonitoring of Treatment (SWTR-Filter)Surface Water Treatment RuleSurface Water Treatment Rule9402386Known01-APR-199430-APR-1994No
MRMonitoring, Routine Minor (TCR)Total Coliform RuleColiform (TCR)9200077Known01-DEC-199131-DEC-1991No
  • 1 - 17 of 17

Enforcement Actions

Enforcement Actions

Latest Enforcement IDAssociated To Violation IDEnforcement Action Type CodeEnforcement Action DescriptionEnforcement DateOriginator DescriptionEnforcement Comment
2916SIAState Violation/Reminder Notice21-NOV-2025State -
2815SIAState Violation/Reminder Notice21-NOV-2025State -
2714SIEState Public Notification requested16-MAY-2025State -
2413SIAState Violation/Reminder Notice08-NOV-2024State -
2310SFOState Administrative/Compliance Order with penalty issued12-SEP-2024StateDWS24-0072
2311SFOState Administrative/Compliance Order with penalty issued12-SEP-2024StateDWS24-0072
239SFOState Administrative/Compliance Order with penalty issued12-SEP-2024StateDWS24-0072
238SFOState Administrative/Compliance Order with penalty issued12-SEP-2024StateDWS24-0072
236SFOState Administrative/Compliance Order with penalty issued12-SEP-2024StateDWS24-0072
2512SOXState Compliance achieved12-SEP-2024StateRTC with SFO issued, PN done
235SFOState Administrative/Compliance Order with penalty issued12-SEP-2024StateDWS24-0072
31SIFState Public Notification received07-OCT-2010State -
97022019700580SIFState Public Notification received08-MAY-1997State -
95050649503047SIFState Public Notification received26-JAN-1995State -
95050619402858SFJState Formal Notice of Violation issued18-JAN-1995State -
94032039402386SIFState Public Notification received07-JUL-1994State -
92036949200077SIFState Public Notification received12-MAR-1992State -
  • 1 - 17 of 17

PWS Facilities

All Facilities

Facility NameFacility IDIs SourceFacility Type DescriptionWater Type DescriptionAvailability DescriptionFacility Activity Status
SEQUATCHIE RIV.5722YesIntakeSurface waterPermanentActive
DISTRIBUTION SYSTEM5721NoDistribution System/Zone - - Active
SAMPLING STATION5723NoSampling Station - - Active
TOTAL STORAGE125NoStorage - - Active
CENTRAL TANK14566NoStorage - - Active
SOUTH RIDGE TANK14567NoStorage - - Active
INDUSTRIAL PARK TANK14568NoStorage - - Active
BLUE SEWANEE14569NoStorage - - Active
EAST VALLEY TANK14570NoStorage - - Active
FILTER PLANT827NoTreatment Plant - - Active
FILTER PLANTTP001NoTreatment Plant - - Active
  • 1 - 11 of 11

PWS Treatment Processes

Treatment Processes

Facility NameFacility IDTreatment ProcessTreatment Objective
FILTER PLANT827Activated Carbon, GranularDisinfection by-products control
FILTER PLANT827Filtration, Rapid SandParticulate removal
FILTER PLANT827Gaseous Chlorination, PreDisinfection by-products control
FILTER PLANT827CoagulationParticulate removal
FILTER PLANT827SedimentationParticulate removal
FILTER PLANT827Inhibitor, PolyphosphateCorrosion control
FILTER PLANT827Gaseous Chlorination, PostDisinfection
FILTER PLANT827FluoridationOther
FILTER PLANTTP001Filtration, Rapid SandParticulate removal
FILTER PLANTTP001Inhibitor, PolyphosphateCorrosion control
FILTER PLANTTP001PermanganateTaste / odor control
FILTER PLANTTP001Gaseous Chlorination, PostDisinfection
FILTER PLANTTP001FluoridationOther
FILTER PLANTTP001Gaseous Chlorination, PreDisinfection
FILTER PLANTTP001CoagulationParticulate removal
FILTER PLANTTP001SedimentationParticulate removal
  • 1 - 16 of 16
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.