EPA EXPORT · 13 SEP 2026FEDERAL COMPLIANCE RECORDS · NOT A HOME WATER TEST
TAP WATERLEDGERPublic system compliance records
PUBLIC WATER SYSTEM RECORDPWSID IL1990500

Illinois · Surface water purchased

Johnston City

EPA’s September 2026 export lists Johnston City (PWSID IL1990500) as Current monitoring/reporting flag, serving a reported 3,509 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 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 Johnston City

Johnston City 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.
  • 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 violations7rolling history field
Quarters with SNC0significant noncompliance
Rules in current violation1EPA export count
Rules in 3-year window4EPA export count

Current rule entries for Johnston City

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

  • 5000=Lead and Copper Rule

Three-year entries for Johnston City

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

  • 5000=Lead and Copper Rule

03 / OVERSIGHT & COVERAGE

Visits and sanitary surveys for Johnston City

The export lists 4 site visits in five years and 1 significant deficiencies for Johnston City.

Site visits, past 5 years
4
Inspection visits
3
Other visits
1
Last sanitary survey
05/16/2024
Last recorded visit
06/21/2024
Significant deficiencies
1

Places served by Johnston City

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

State / territory
Illinois
Cities
JOHNSTON CITY
Counties
Williamson
ZIP codes
Not supplied
Federal PWSID
IL1990500
Registry ID
110012991511

04 / HOW TO USE THIS RECORD

Current public records for Johnston City

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