EPA EXPORT · 13 SEP 2026FEDERAL COMPLIANCE RECORDS · NOT A HOME WATER TEST
TAP WATERLEDGERPublic system compliance records
PUBLIC WATER SYSTEM RECORDPWSID IL0312220

Illinois · Surface water purchased

Oak Lawn

EPA’s September 2026 export lists Oak Lawn (PWSID IL0312220) as Other current violation flag, serving a reported 58,362 people from a surface water purchased 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 Oak Lawn

Oak Lawn 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.
  • NOT 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 window1EPA export count

Current rule entries for Oak Lawn

EPA supplied 1 current contaminant, rule, or violation-category entries for Oak Lawn in the exported fields used here.

  • 7000=Consumer Confidence Rule

Three-year entries for Oak Lawn

EPA supplied 1 contaminant or rule entries for Oak Lawn in the three-year history field.

  • 7000=Consumer Confidence Rule

03 / OVERSIGHT & COVERAGE

Visits and sanitary surveys for Oak Lawn

The export lists 2 site visits in five years and 1 significant deficiencies for Oak Lawn.

Site visits, past 5 years
2
Inspection visits
0
Other visits
2
Last sanitary survey
07/18/2024
Last recorded visit
07/18/2024
Significant deficiencies
1

Places served by Oak Lawn

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

State / territory
Illinois
Cities
OAK LAWN
Counties
Cook
ZIP codes
Not supplied
Federal PWSID
IL0312220
Registry ID
110013049744

04 / HOW TO USE THIS RECORD

Current public records for Oak Lawn

EPA’s facility report, the Illinois drinking-water program, and Oak Lawn’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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