EPA EXPORT · 13 SEP 2026FEDERAL COMPLIANCE RECORDS · NOT A HOME WATER TEST
TAP WATERLEDGERPublic system compliance records
PUBLIC WATER SYSTEM RECORDPWSID WI1570100

Wisconsin · Ground water

Prairie Du Sac Waterworks

EPA’s September 2026 export lists Prairie Du Sac Waterworks (PWSID WI1570100) as Other current violation flag, serving a reported 4,006 people from a ground water source, with 1 rules in current violation.

Source: EPA SDWIS system-search export · Snapshot 13 Sep 2026 · Federal compliance fields

CURRENT EXPORTOther current violation flagEPA's export includes another current compliance flag.
Open EPA Detailed Facility Report ↗

01 / CURRENT FLAGS

EPA compliance flags for Prairie Du Sac Waterworks

Prairie Du Sac Waterworks is listed as other current violation flag in the current export; the five federal flag categories remain separate below.

  • NOT FLAGGED
    Health-based violationCurrent HEALTH_FLAG in the EPA export.
  • NOT FLAGGED
    Monitoring and reportingCurrent MR_FLAG in the EPA export.
  • FLAGGED
    Public notificationCurrent PN_FLAG in the EPA export.
  • FLAGGED
    Other violationCurrent OTHER_FLAG in the EPA export.
  • NOT FLAGGED
    Serious violatorCurrent serious-violator status in the EPA export.
Important limit

This page is not a household water test. A clear federal flag does not prove every home has safe water, and a flag is not a measurement at your faucet. Plumbing, service lines, local sampling, private wells, and newer events may not be reflected here.

02 / VIOLATION RECORD

Quarters with violations7rolling history field
Quarters with SNC0significant noncompliance
Rules in current violation1EPA export count
Rules in 3-year window2EPA export count

Current rule entries for Prairie Du Sac Waterworks

EPA supplied 1 current contaminant, rule, or violation-category entries for Prairie Du Sac Waterworks in the exported fields used here.

  • 7500=Public Notice

Three-year entries for Prairie Du Sac Waterworks

EPA supplied 1 contaminant or rule entries for Prairie Du Sac Waterworks in the three-year history field.

  • 7500=Public Notice

03 / OVERSIGHT & COVERAGE

Visits and sanitary surveys for Prairie Du Sac Waterworks

The export lists 2 site visits in five years and 0 significant deficiencies for Prairie Du Sac Waterworks.

Site visits, past 5 years
2
Inspection visits
0
Other visits
2
Last sanitary survey
02/28/2024
Last recorded visit
02/28/2024
Significant deficiencies
0

Places served by Prairie Du Sac Waterworks

EPA associates Prairie Du Sac Waterworks with the listed cities, counties, ZIP codes, and Wisconsin service area identifiers.

State / territory
Wisconsin
Cities
PRAIRIE DU SAC
Counties
Sauk
ZIP codes
Not supplied
Federal PWSID
WI1570100
Registry ID
110012852528

04 / HOW TO USE THIS RECORD

Current public records for Prairie Du Sac Waterworks

EPA’s facility report, the Wisconsin drinking-water program, and Prairie Du Sac Waterworks’s Consumer Confidence Report are the current public records beyond this September 2026 snapshot.

Confirm current conditions with the utility's latest Consumer Confidence Report, your state drinking-water program, and the EPA facility report. For household concerns, ask a qualified local laboratory about tap testing.

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