EPA EXPORT · 13 SEP 2026FEDERAL COMPLIANCE RECORDS · NOT A HOME WATER TEST
TAP WATERLEDGERPublic system compliance records
PUBLIC WATER SYSTEM RECORDPWSID IL0316000

Illinois · Surface water

Chicago

EPA’s September 2026 export lists Chicago (PWSID IL0316000) as No current violation flagged, serving a reported 2,721,308 people from a surface water source, with 0 rules in current violation.

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

CURRENT EXPORTNo current violation flaggedNo current violation is flagged in this EPA export. This is not a household water test.
Open EPA Detailed Facility Report ↗

01 / CURRENT FLAGS

EPA compliance flags for Chicago

Chicago is listed as no current violation flagged 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.
  • NOT 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 violations6rolling history field
Quarters with SNC0significant noncompliance
Rules in current violation0EPA export count
Rules in 3-year window4EPA export count

Current rule entries for Chicago

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

  • 5200=LEAD AND COPPER RULE REVISIONS

Three-year entries for Chicago

EPA supplied 4 contaminant or rule entries for Chicago in the three-year history field.

  • 0300=Interim Enhanced Surface Water Treatment Rule
  • 2041=Dinoseb
  • 2920=CARBON, TOTAL
  • 5200=LEAD AND COPPER RULE REVISIONS

03 / OVERSIGHT & COVERAGE

Visits and sanitary surveys for Chicago

The export lists 11 site visits in five years and 2 significant deficiencies for Chicago.

Site visits, past 5 years
11
Inspection visits
0
Other visits
10
Last sanitary survey
03/05/2026
Last recorded visit
08/26/2026
Significant deficiencies
2

Places served by Chicago

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

State / territory
Illinois
Cities
Not supplied
Counties
Cook
ZIP codes
Not supplied
Federal PWSID
IL0316000
Registry ID
110013048059

04 / HOW TO USE THIS RECORD

Current public records for Chicago

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