EPA EXPORT · 13 SEP 2026FEDERAL COMPLIANCE RECORDS · NOT A HOME WATER TEST
TAP WATERLEDGERPublic system compliance records
PUBLIC WATER SYSTEM RECORDPWSID WI1280108

Wisconsin · Ground water

Lake Mills Waterworks

EPA’s September 2026 export lists Lake Mills Waterworks (PWSID WI1280108) as Current monitoring/reporting flag, serving a reported 6,211 people from a ground water source, with 2 rules in current violation.

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

CURRENT EXPORTCurrent monitoring/reporting flagEPA's export includes a current monitoring or reporting violation flag.
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01 / CURRENT FLAGS

EPA compliance flags for Lake Mills Waterworks

Lake Mills Waterworks is listed as current monitoring/reporting flag in the current export; the five federal flag categories remain separate below.

  • NOT FLAGGED
    Health-based violationCurrent HEALTH_FLAG in the EPA export.
  • 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 violations12rolling history field
Quarters with SNC0significant noncompliance
Rules in current violation2EPA export count
Rules in 3-year window2EPA export count

Current rule entries for Lake Mills Waterworks

EPA supplied 2 current contaminant, rule, or violation-category entries for Lake Mills Waterworks in the exported fields used here.

  • 5000=Lead and Copper Rule
  • 7500=Public Notice

Three-year entries for Lake Mills Waterworks

EPA supplied 2 contaminant or rule entries for Lake Mills Waterworks in the three-year history field.

  • 5000=Lead and Copper Rule
  • 7500=Public Notice

03 / OVERSIGHT & COVERAGE

Visits and sanitary surveys for Lake Mills Waterworks

The export lists 2 site visits in five years and 2 significant deficiencies for Lake Mills Waterworks.

Site visits, past 5 years
2
Inspection visits
0
Other visits
2
Last sanitary survey
01/14/2026
Last recorded visit
01/14/2026
Significant deficiencies
2

Places served by Lake Mills Waterworks

EPA associates Lake Mills Waterworks with the listed cities, counties, ZIP codes, and Wisconsin service area identifiers.

State / territory
Wisconsin
Cities
LAKE MILLS
Counties
Jefferson
ZIP codes
Not supplied
Federal PWSID
WI1280108
Registry ID
110013087845

04 / HOW TO USE THIS RECORD

Current public records for Lake Mills Waterworks

EPA’s facility report, the Wisconsin drinking-water program, and Lake Mills 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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