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East Gillespie, IL Tap Water Quality 2026

Water quality report for East Gillespie, IL — PFAS, lead and copper results, violation history and state inspection findings from EPA SDWIS.

A look at East Gillespie's drinking water using EPA enforcement records: violations, lead and copper results, PFAS sampling and state inspection findings.

Main Utility: Gillespie PWSID: IL1170400 Updated: 2026 Q2
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1 violation currently open

Lead was not detected. No PFAS was detected.

C

East Gillespie earns a C for water quality

Graded on violations, lead, and PFAS, with state inspection findings.

Lead: not detected
PFAS tested, none detected
46 violations since 2015, 2 health-based
1 violation currently open
East Gillespie's lead level vs. all Illinois community water systems
0 ppb5 ppb10 ppb15 ppb
Lead level: Not detected — 0% of the federal action level
✓ Lower lead than % of Illinois utilities
Population Served
136
~1703 connections
Water Source
Surface water
Drawn from surface water — SDWIS source code SW
Active Violations
1
1 open of 46 since 2015

Lead & Copper Testing

Lead (Pb)
90th percentile of tap samples collected across the distribution system
0% of EPA action level
Not detected
Action level: 15 ppb
Lead was not detected at the 90th percentile — the result fell below the laboratory detection limit. That is not the same as an absence of lead in every tap, and older homes with lead service lines can still show higher readings.

Contaminant Violations (2015–Present)

ContaminantTypeMeasuredLimitPeriodStatus
Interim Enhanced Surface Water Treatment Rule MONITORING AND REPORTING — — 2026 Archived
Surface Water Treatment Rule MONITORING AND REPORTING — — 2026 Archived
Long Term 2 Enhanced Surface Water Treatment Rule TREATMENT TECHNIQUE — — 2026 Archived
Public Notice OTHER — — 2025 Unaddressed
Total Haloacetic Acids (HAA5) MONITORING AND REPORTING — 0.060 mg/L 2025 Unaddressed
LEAD AND COPPER RULE REVISIONS REPORTING FAILURE — — 2025 Unaddressed
Total Haloacetic Acids (HAA5) MONITORING AND REPORTING — 0.060 mg/L 2025 Unaddressed
LEAD AND COPPER RULE REVISIONS TREATMENT TECHNIQUE — — 2024 Unaddressed
LEAD AND COPPER RULE REVISIONS REPORTING FAILURE — — 2024 Unaddressed
Revised Total Coliform Rule MONITORING FAILURE — — 2024 Resolved
Chloramine MONITORING AND REPORTING — 4.0 mg/L 2024 Resolved
TTHM MONITORING AND REPORTING — 0.080 mg/L 2024 Resolved
Total Haloacetic Acids (HAA5) MONITORING AND REPORTING — 0.060 mg/L 2024 Resolved
TTHM MONITORING AND REPORTING — 0.080 mg/L 2022 Resolved
Total Haloacetic Acids (HAA5) MONITORING AND REPORTING — 0.060 mg/L 2022 Resolved
Endrin MONITORING AND REPORTING — 0.002 mg/L 2019 Resolved
BHC-GAMMA MONITORING AND REPORTING — 0.0002 mg/L 2019 Resolved
Methoxychlor MONITORING AND REPORTING — 0.04 mg/L 2019 Resolved
Toxaphene MONITORING AND REPORTING — 0.003 mg/L 2019 Resolved
Dalapon MONITORING AND REPORTING — 0.2 mg/L 2019 Resolved
Diquat MONITORING AND REPORTING — 0.02 mg/L 2019 Resolved
Endothall MONITORING AND REPORTING — 0.1 mg/L 2019 Resolved
Di(2-ethylhexyl) adipate MONITORING AND REPORTING — 0.4 mg/L 2019 Resolved
OXAMYL MONITORING AND REPORTING — 0.2 mg/L 2019 Resolved
Simazine MONITORING AND REPORTING — 0.004 mg/L 2019 Resolved
Di(2-ethylhexyl) phthalate MONITORING AND REPORTING — 0.006 mg/L 2019 Resolved
Picloram MONITORING AND REPORTING — 0.5 mg/L 2019 Resolved
Dinoseb MONITORING AND REPORTING — 0.007 mg/L 2019 Resolved
Hexachlorocyclopentadiene MONITORING AND REPORTING — 0.05 mg/L 2019 Resolved
Aldicarb sulfoxide MONITORING AND REPORTING — — 2019 Resolved
Aldicarb sulfone MONITORING AND REPORTING — — 2019 Resolved
Carbofuran MONITORING AND REPORTING — 0.04 mg/L 2019 Resolved
Aldicarb MONITORING AND REPORTING — — 2019 Resolved
Atrazine MONITORING AND REPORTING — 0.003 mg/L 2019 Resolved
LASSO MONITORING AND REPORTING — — 2019 Resolved
Heptachlor MONITORING AND REPORTING — 0.0004 mg/L 2019 Resolved
Heptachlor epoxide MONITORING AND REPORTING — 0.0002 mg/L 2019 Resolved
2,4-D MONITORING AND REPORTING — 0.07 mg/L 2019 Resolved
2,4,5-TP MONITORING AND REPORTING — 0.05 mg/L 2019 Resolved
HEXACHLOROBENZENE MONITORING AND REPORTING — 0.001 mg/L 2019 Resolved
Benzo(a)pyrene MONITORING AND REPORTING — 0.0002 mg/L 2019 Resolved
Pentachlorophenol MONITORING AND REPORTING — 0.001 mg/L 2019 Resolved
Total Polychlorinated Biphenyls (PCB) MONITORING AND REPORTING — 0.0005 mg/L 2019 Resolved
1,2-DIBROMO-3-CHLOROPROPANE MONITORING AND REPORTING — 0.0002 mg/L 2019 Resolved
ETHYLENE DIBROMIDE MONITORING AND REPORTING — 0.00005 mg/L 2019 Resolved
Chlordane MONITORING AND REPORTING — 0.002 mg/L 2019 Resolved
Understanding violation types MCL violations mean a contaminant exceeded the federal maximum limit — the most serious type.
TT (Treatment Technique) violations mean required treatment procedures weren't followed, but don't necessarily mean contamination occurred.

Violation History

1 violation remains open, out of 46 recorded since 2015 (2 health-based).

About the Main Water System

Utility Gillespie
PWSID IL1170400
Water source Surface water — Drawn from surface water — SDWIS source code SW
Population served 136
Service connections 1,703
Systems serving this area 2
Regulator State primacy agency
Data through 2026 Q2 — EPA SDWIS

Frequently Asked Questions

Is East Gillespie tap water safe to drink? ▼
No federal limit is exceeded on record. 1 violation(s) remain open.
Does East Gillespie water have PFAS? ▼
It was tested for the six regulated PFAS compounds and none were detected.
Who supplies water to East Gillespie? ▼
Gillespie (PWSID IL1170400), one of 2 systems serving this area. Surface water. Drawn from surface water — SDWIS source code SW
When was this system last inspected? ▼
It was last inspected on 2026-03-17. No significant deficiencies were recorded.

What Should East Gillespie Residents Do?

1
Read your annual water report
Your supplier publishes a Consumer Confidence Report each July covering the prior year.
2
Check for a lead service line
Lead reaches tap water mainly through service lines and household plumbing. Suppliers now publish an inventory identifying lead lines.
3
Follow the open violation
This system has an unresolved violation. Contact the supplier for its corrective-action schedule.

Nearby Cities in Illinois

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