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Golconda, IL Tap Water Quality 2026

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

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

Main Utility: Golconda PWSID: IL1510100 Updated: 2026 Q2
✅

No federal limits exceeded on record

Lead was not detected and no violations are open. PFAS has never been sampled at this system.

C

Golconda earns a C for water quality

Graded on violations and lead, with state inspection findings. PFAS not tested.

Lead: not detected
PFAS never sampled at this system
11 violations since 2015, 8 health-based
No violations currently open
Golconda'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
627
~422 connections
Water Source
Groundwater
Purchased groundwater from another system — SDWIS source code GWP
Active Violations
0
11 since 2015, all resolved

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
TTHM MCL EXCEEDANCE 0.09 MG/L 0.080 mg/L 2026 Archived
TTHM MCL EXCEEDANCE 0.088 MG/L 0.080 mg/L 2026 Archived
TTHM MCL EXCEEDANCE 0.092 MG/L 0.080 mg/L 2025 Archived
TTHM MCL EXCEEDANCE 0.084 MG/L 0.080 mg/L 2025 Archived
TTHM MCL EXCEEDANCE 0.086 MG/L 0.080 mg/L 2025 Archived
Arsenic MCL EXCEEDANCE 11 UG/L 0.010 mg/L 2023–2025 Resolved
Consumer Confidence Rule OTHER — — 2016 Resolved
Coliform (TCR) MCL EXCEEDANCE — 5% of samples 2015 Resolved
Coliform (TCR) MCL EXCEEDANCE — 5% of samples 2015 Resolved
Coliform (TCR) MONITORING AND REPORTING — 5% of samples 2015 Resolved
Chlorine MONITORING AND REPORTING — 4.0 mg/L 2015 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

11 violations are on record since 2015, of which 8 were health-based. All have been resolved and none remain open.

About the Main Water System

Utility Golconda
PWSID IL1510100
Water source Groundwater — Purchased groundwater from another system — SDWIS source code GWP
Population served 627
Service connections 422
Systems serving this area 1
Regulator State primacy agency
Data through 2026 Q2 — EPA SDWIS

Frequently Asked Questions

Is Golconda tap water safe to drink? ▼
No federal limit is exceeded on record. No violations are currently open.
Does Golconda water have PFAS? ▼
This system has never been sampled for PFAS. EPA's national monitoring covered systems serving 3,300 people or more, so no results exist — which is not evidence that none is present.
Who supplies water to Golconda? ▼
Golconda (PWSID IL1510100). Groundwater. Purchased groundwater from another system — SDWIS source code GWP
When was this system last inspected? ▼
It was last inspected on 2025-03-27. Inspectors recorded 3 significant deficiencies.

What Should Golconda 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
Flush before drinking
If water has sat in pipes more than six hours, run the cold tap for two minutes before drinking or cooking.

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