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Safe Drinking Water Information System (SDWIS) Federal Reporting Services

Your Drinking Water Query results from SDWIS Fed Reporting Services

PWS IDWI1570664
PWS NameLAKE DELTON WATERWORKS
PWS TypeCommunity water system
Owner TypeLocal government
Primary SourceGround water
Primacy TypeState
Is Wholesaler?No
Population Served2914
County ServedSauk

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 Rule2500015Returned to Compliance01-JUL-2025 - No
OtherConsumer Confidence Report Inadequate ReportingConsumer Confidence RuleConsumer Confidence Rule2500016Returned to Compliance01-JUL-2025 - No
MRMonitoring, Routine Minor (TCR)Total Coliform RuleColiform (TCR)0400002Returned to Compliance01-SEP-200330-SEP-2003No
OtherConsumer Confidence Report Complete Failure to ReportConsumer Confidence RuleConsumer Confidence Rule0200001Returned to Compliance01-JUL-2002 - No
  • 1 - 4 of 4

Enforcement Actions


Enforcement Actions

Latest Enforcement IDAssociated To Violation IDEnforcement Action Type CodeEnforcement Action DescriptionEnforcement DateOriginator DescriptionEnforcement Comment
25000152500015SIAState Violation/Reminder Notice30-SEP-2025State -
25000142500016SIAState Violation/Reminder Notice30-SEP-2025State -
04000060400002SIFState Public Notification received23-DEC-2003State -
02000020200001SOXState Compliance achieved02-AUG-2002State -
  • 1 - 4 of 4

PWS Facilities


All Facilities

Facility NameFacility IDIs SourceFacility Type DescriptionWater Type DescriptionAvailability DescriptionFacility Activity Status
BG9511YesWell Ground waterPermanentActive
ZS0267YesWell Ground waterPermanentActive
NV2266YesWell Ground waterPermanentActive
OH4335YesWell Ground waterPermanentActive
EJ7674YesWell Ground waterPermanentActive
EJ7663YesWell Ground waterPermanentActive
EJ7652YesWell Ground waterPermanentActive
1570664715706647NoDistribution System/Zone - - Active
BG9511TNoTreatment Plant - - Active
EJ7652TNoTreatment Plant - - Active
EJ7663TNoTreatment Plant - - Active
EJ7674TNoTreatment Plant - - Active
OH4335TNoTreatment Plant - - Active
NV2266TNoTreatment Plant - - Active
ZS0267TNoTreatment Plant - - Active
  • 1 - 15 of 15

PWS Treatment Processes


Treatment Processes

Facility NameFacility IDTreatment ProcessTreatment Objective
BG9511THypochlorination, PostDisinfection
BG9511TInhibitor, PolyphosphateCorrosion control
EJ7652THypochlorination, PostDisinfection
EJ7652TInhibitor, PolyphosphateCorrosion control
EJ7663THypochlorination, PostDisinfection
EJ7663TInhibitor, PolyphosphateCorrosion control
EJ7674THypochlorination, PostDisinfection
EJ7674TInhibitor, PolyphosphateCorrosion control
OH4335THypochlorination, PostDisinfection
OH4335TInhibitor, PolyphosphateCorrosion control
NV2266THypochlorination, PostDisinfection
NV2266TInhibitor, PolyphosphateCorrosion control
ZS0267THypochlorination, PostDisinfection
ZS0267TInhibitor, PolyphosphateCorrosion control
  • 1 - 14 of 14

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.