EPA EXPORT · 13 SEP 2026FEDERAL COMPLIANCE RECORDS · NOT A HOME WATER TEST
TAP WATERLEDGERPublic system compliance records
PUBLIC WATER SYSTEM RECORDPWSID IL0810300

Illinois · Surface water purchased

Mount Vernon

EPA’s September 2026 export lists Mount Vernon (PWSID IL0810300) as No current violation flagged, serving a reported 15,793 people from a surface water purchased 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.
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01 / CURRENT FLAGS

EPA compliance flags for Mount Vernon

Mount Vernon 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 violations4rolling history field
Quarters with SNC0significant noncompliance
Rules in current violation0EPA export count
Rules in 3-year window2EPA export count

Current rule entries for Mount Vernon

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

  • Monitoring and Reporting
  • Other Violation

Three-year entries for Mount Vernon

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

  • 2456=Total Haloacetic Acids (HAA5)

03 / OVERSIGHT & COVERAGE

Visits and sanitary surveys for Mount Vernon

The export lists 2 site visits in five years and 4 significant deficiencies for Mount Vernon.

Site visits, past 5 years
2
Inspection visits
0
Other visits
2
Last sanitary survey
09/14/2023
Last recorded visit
09/14/2023
Significant deficiencies
4

Places served by Mount Vernon

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

State / territory
Illinois
Counties
Jefferson
ZIP codes
Not supplied
Federal PWSID
IL0810300
Registry ID
110013031888

04 / HOW TO USE THIS RECORD

Current public records for Mount Vernon

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