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West Terre Haute, IN Tap Water Quality 2026

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

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

Main Utility: West Terre Haute Water PWSID: IN5284015 Updated: 2026 Q2
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PFAS above the federal limit

Lead is 8.00 ppb, 53% of the action level and no violations are open. However, PFAS exceeds the federal limit at 1 of 1 sampling points, running as high as 1.66 times the limit.

C

West Terre Haute earns a C for water quality

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

Lead: 8.00 ppb — 53% of the federal action level
PFAS above the federal limit at 1 of 1 sampling points
11 violations since 2015, 0 health-based
No violations currently open
West Terre Haute's lead level vs. all Indiana community water systems
0 ppb5 ppb10 ppb15 ppb
Lead level: 8.00 ppb — 53% of the federal action level
✓ Lower lead than 7% of Indiana utilities
Population Served
2147
~1630 connections
Water Source
Groundwater
Drawn from wells — SDWIS source code GW
Active Violations
0
11 since 2015, all resolved

Lead & Copper Testing

Lead (Pb)
90th percentile of tap samples collected across the distribution system
53% of EPA action level
8.00 ppb
Action level: 15 ppb
The 90th-percentile lead result is 8.00 ppb, 53% 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 Unaddressed
Gross Alpha, Excl. Radon and U MONITORING AND REPORTING — 15 pCi/L 2025 Archived
Radium-226 MONITORING AND REPORTING — — 2025 Archived
Radium-228 MONITORING AND REPORTING — — 2025 Archived
Consumer Confidence Rule OTHER — — 2025 Unaddressed
Consumer Confidence Rule OTHER — — 2023 Resolved
Revised Total Coliform Rule MONITORING FAILURE — — 2021 Resolved
Revised Total Coliform Rule REPORTING FAILURE — — 2021 Resolved
Revised Total Coliform Rule MONITORING FAILURE — — 2017 Resolved
E. COLI MONITORING AND REPORTING — 0 2017 Resolved
Coliform (TCR) MONITORING AND REPORTING — 5% of samples 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 0 were health-based. All have been resolved and none remain open.

About the Main Water System

Utility West Terre Haute Water
PWSID IN5284015
Water source Groundwater — Drawn from wells — SDWIS source code GW
Population served 2,147
Service connections 1,630
Systems serving this area 1
Regulator State primacy agency
Data through 2026 Q2 — EPA SDWIS

Frequently Asked Questions

Is West Terre Haute tap water safe to drink? ▼
It meets most federal standards, but PFAS exceeds the federal limit at 1 of 1 sampling points. No violations are currently open. Lead is 8.00 ppb, 53% of the action level.
Does West Terre Haute water have PFAS? ▼
Yes. PFAS exceeds the federal limit at 1 of 1 sampling points, running as high as 1.66 times the limit. Limits are enforced on a running annual average at each sampling point, not on a single sample.
Who supplies water to West Terre Haute? ▼
West Terre Haute Water (PWSID IN5284015). Groundwater. Drawn from wells — SDWIS source code GW
When was this system last inspected? ▼
It was last inspected on 2026-03-27. No significant deficiencies were recorded.

What Should West Terre Haute Residents Do?

1
Consider a reverse-osmosis filter
Reverse osmosis removes more than 95% of PFAS. Standard carbon pitchers do not.
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

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