States ›Indiana ›Randolph County ›Union City

Union City, IN Tap Water Quality 2026

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

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

Main Utility: Union City Water Works PWSID: IN5268010 Updated: 2026 Q2
✅

No federal limits exceeded on record

Lead is 5.00 ppb, 33% of the action level and no violations are open. No PFAS was detected.

A

Union City earns an A for water quality

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

Lead: 5.00 ppb — 33% of the federal action level
PFAS tested, none detected
2 violations since 2015, 0 health-based
No violations currently open
Union City's lead level vs. all Indiana community water systems
0 ppb5 ppb10 ppb15 ppb
Lead level: 5.00 ppb — 33% of the federal action level
✓ Lower lead than 21% of Indiana utilities
Population Served
3400
~1600 connections
Water Source
Groundwater
Drawn from wells — SDWIS source code GW
Active Violations
0
2 since 2015, all resolved

Lead & Copper Testing

Lead (Pb)
90th percentile of tap samples collected across the distribution system
33% of EPA action level
5.00 ppb
Action level: 15 ppb
The 90th-percentile lead result is 5.00 ppb, 33% of the 15 ppb federal action level. The action level is a treatment trigger, not a legal maximum, and it is measured across sampled taps rather than at any single home.

Contaminant Violations (2015–Present)

ContaminantTypeMeasuredLimitPeriodStatus
Consumer Confidence Rule OTHER — — 2025 Resolved
Revised Total Coliform Rule MONITORING FAILURE — — 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

2 violations are on record since 2015, of which 0 were health-based. All have been resolved and none remain open.

About the Main Water System

Utility Union City Water Works
PWSID IN5268010
Water source Groundwater — Drawn from wells — SDWIS source code GW
Population served 3,400
Service connections 1,600
Systems serving this area 1
Regulator State primacy agency
Data through 2026 Q2 — EPA SDWIS

Frequently Asked Questions

Is Union City tap water safe to drink? ▼
No federal limit is exceeded on record. No violations are currently open. Lead is 5.00 ppb, 33% of the action level.
Does Union City water have PFAS? ▼
It was tested for the six regulated PFAS compounds and none were detected.
Who supplies water to Union City? ▼
Union City Water Works (PWSID IN5268010). Groundwater. Drawn from wells — SDWIS source code GW
When was this system last inspected? ▼
It was last inspected on 2026-02-04. No significant deficiencies were recorded.

What Should Union City Residents Do?

1
Consider a filter certified for lead
Look for NSF/ANSI 53 certification for lead reduction.
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.

Nearby Cities in Indiana

Winchester, In Tap Water Quality 2026 Randolph Farmland, In Tap Water Quality 2026 Randolph Parker City, In Tap Water Quality 2026 Randolph Lynn, In Tap Water Quality 2026 Randolph Ridgeville, In Tap Water Quality 2026 Randolph Modoc, In Tap Water Quality 2026 Randolph