EPA EXPORT · 13 SEP 2026FEDERAL COMPLIANCE RECORDS · NOT A HOME WATER TEST
TAP WATERLEDGERPublic system compliance records
PUBLIC WATER SYSTEM RECORDPWSID IL0971950

Illinois · Surface water purchased

Winthrop Harbor

EPA’s September 2026 export lists Winthrop Harbor (PWSID IL0971950) as Current serious-violator flag, serving a reported 6,565 people from a surface water purchased source, with 3 rules in current violation.

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

CURRENT EXPORTCurrent serious-violator flagEPA's export marks this system as a current serious violator.
Open EPA Detailed Facility Report ↗

01 / CURRENT FLAGS

EPA compliance flags for Winthrop Harbor

Winthrop Harbor is listed as current serious-violator 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.
  • 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 SNC1significant noncompliance
Rules in current violation3EPA export count
Rules in 3-year window4EPA export count

Current rule entries for Winthrop Harbor

EPA supplied 5 current contaminant, rule, or violation-category entries for Winthrop Harbor in the exported fields used here.

  • 2456=Total Haloacetic Acids (HAA5)
  • 2950=TTHM
  • 5000=Lead and Copper Rule
  • 7000=Consumer Confidence Rule
  • 7500=Public Notice

Three-year entries for Winthrop Harbor

EPA supplied 5 contaminant or rule entries for Winthrop Harbor in the three-year history field.

  • 2456=Total Haloacetic Acids (HAA5)
  • 2950=TTHM
  • 5000=Lead and Copper Rule
  • 7000=Consumer Confidence Rule
  • 7500=Public Notice

03 / OVERSIGHT & COVERAGE

Visits and sanitary surveys for Winthrop Harbor

The export lists 2 site visits in five years and 3 significant deficiencies for Winthrop Harbor.

Site visits, past 5 years
2
Inspection visits
0
Other visits
2
Last sanitary survey
04/22/2025
Last recorded visit
04/22/2025
Significant deficiencies
3

Places served by Winthrop Harbor

EPA associates Winthrop Harbor with the listed cities, counties, ZIP codes, and Illinois service area identifiers.

State / territory
Illinois
Cities
WINTHROP HARBOR
Counties
Lake
ZIP codes
Not supplied
Federal PWSID
IL0971950
Registry ID
110013025573

04 / HOW TO USE THIS RECORD

Current public records for Winthrop Harbor

EPA’s facility report, the Illinois drinking-water program, and Winthrop Harbor’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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