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Safe Drinking Water Information System (SDWIS) Federal Reporting Services

Your Drinking Water Query results from SDWIS Fed Reporting Services

PWS IDMT0000201
PWS NameDILLON CITY OF
PWS TypeCommunity water system
Owner TypeLocal government
Primary SourceGround water
Primacy TypeState
Is Wholesaler?No
Population Served4300
County ServedBeaverhead

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
MRMonitoring, Routine Major (TCR)Total Coliform RuleColiform (TCR)4404211Returned to Compliance01-MAY-201231-MAY-2012No
MRMonitoring, Routine Major (TCR)Total Coliform RuleColiform (TCR)4404210Returned to Compliance01-NOV-201130-NOV-2011No
MRMonitoring, Routine Major (TCR)Total Coliform RuleColiform (TCR)4403606Returned to Compliance01-NOV-200530-NOV-2005No
MRFollow-up Or Routine LCR Tap M/RLead and Copper RuleLead and Copper Rule4399604Returned to Compliance01-OCT-2002 - No
MRMonitoring, Routine Minor (TCR)Total Coliform RuleColiform (TCR)4399096Returned to Compliance01-DEC-199531-DEC-1995No
MRMonitoring, Repeat Major (TCR)Total Coliform RuleColiform (TCR)4116696Returned to Compliance01-NOV-199530-NOV-1995No
MRMonitoring, RegularNitrate RuleNitrate1329596Returned to Compliance01-JAN-199331-DEC-1993No
  • 1 - 7 of 7

Enforcement Actions


Enforcement Actions

Latest Enforcement IDAssociated To Violation IDEnforcement Action Type CodeEnforcement Action DescriptionEnforcement DateOriginator DescriptionEnforcement Comment
52754154404211SIEState Public Notification requested15-JUN-2012State -
52754114404210SIEState Public Notification requested20-DEC-2011State -
52754091329596SOXState Compliance achieved15-MAY-2009StateSOX-RTC MIGRATION 5/15/09
52748094116696SOXState Compliance achieved31-DEC-2008State6 months no MCL or MR violations. LRA 12/31/2008
52748094399096SOXState Compliance achieved31-DEC-2008State6 months no MCL or MR violations. LRA 12/31/2008
52748094403606SOXState Compliance achieved31-DEC-2008State6 months no MCL or MR violations. LRA 12/31/2008
52744054399604SOXState Compliance achieved21-SEP-2005StateRTC - samples 10892 and 10893
  • 1 - 7 of 7

PWS Facilities


All Facilities

Facility NameFacility IDIs SourceFacility Type DescriptionWater Type DescriptionAvailability DescriptionFacility Activity Status
INTAKE DELETED RATTLESNAKE CREEK11080YesIntakeSurface waterPermanentInactive
WELL 2 1960 W4640YesWell Ground waterPermanentActive
WELL 3 1963 OFFICE BLDG4539YesWell Ground waterPermanentActive
WELL 4 1973 N CALIFORNIA3853YesWell Ground waterPermanentActive
WELL 1 1948 W3388YesWell Ground waterPermanentActive
COMMON HEADER FOR WELLS 1 212814NoCommon Headers - - Active
DISTRIBUTION SYSTEM9836NoDistribution System/Zone - - Active
STORAGE TANK WEST SIDE14792NoStorage - - Active
STORAGE FACILITY EAST SIDE 7501986NoStorage - - Active
STORAGE FACILITY 3 340,000 GAL INACTIVE12811NoStorage - - Inactive
STORAGE FACILITY 1 410,000 GAL OFF LINE687NoStorage - - Inactive
TRANSMISSION MAIN WEST16888NoTransmission Main (Manifold) - - Active
TRANSMISSION MAIN EAST16889NoTransmission Main (Manifold) - - Inactive
TP FOR WELLS 1 213913NoTreatment Plant - - Active
TP FOR WELL 413914NoTreatment Plant - - Active
TP PLANT WELL 316132NoTreatment Plant - - Active
TP FOR DELETED RATTLESNAKE CREEK2980NoTreatment Plant - - Inactive
  • 1 - 17 of 17

PWS Treatment Processes


Treatment Processes

Facility NameFacility IDTreatment ProcessTreatment Objective
TP FOR WELLS 1 213913Inhibitor, OrthophosphateCorrosion control
TP FOR WELLS 1 213913Hypochlorination, PostDisinfection
TP FOR WELL 413914Inhibitor, OrthophosphateCorrosion control
TP FOR WELL 413914Hypochlorination, PostDisinfection
TP PLANT WELL 316132Hypochlorination, PostDisinfection
TP FOR DELETED RATTLESNAKE CREEK2980Gaseous Chlorination, PreDisinfection
  • 1 - 6 of 6

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.