States ›Indiana ›LaPorte County ›La Porte

La Porte, IN Tap Water Quality 2026

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

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

Main Utility: Laporte Water Works PWSID: IN5246017 Updated: 2026 Q2
✅

No federal limits exceeded on record

Lead is 3.50 ppb, 23% of the action level and no violations are open. No PFAS was detected.

A

La Porte earns an A for water quality

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

Lead: 3.50 ppb — 23% of the federal action level
PFAS tested, none detected
4 violations since 2015, 2 health-based
No violations currently open
La Porte's lead level vs. all Indiana community water systems
0 ppb5 ppb10 ppb15 ppb
Lead level: 3.50 ppb — 23% of the federal action level
✓ Lower lead than 30% of Indiana utilities
Population Served
22106
~8400 connections
Water Source
Groundwater
Drawn from wells — SDWIS source code GW
Active Violations
0
4 since 2015, all resolved

Lead & Copper Testing

Lead (Pb)
90th percentile of tap samples collected across the distribution system
23% of EPA action level
3.50 ppb
Action level: 15 ppb
The 90th-percentile lead result is 3.50 ppb, 23% 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
Revised Total Coliform Rule REPORTING FAILURE — — 2024 Resolved
Groundwater Rule TREATMENT TECHNIQUE — — 2023 Resolved
Stage 1 Disinfectants and Disinfection Byproducts Rule TREATMENT TECHNIQUE — — 2023 Resolved
Revised Total Coliform Rule REPORTING FAILURE — — 2020 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

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

About the Main Water System

Utility Laporte Water Works
PWSID IN5246017
Water source Groundwater — Drawn from wells — SDWIS source code GW
Population served 22,106
Service connections 8,400
Systems serving this area 1
Regulator State primacy agency
Data through 2026 Q2 — EPA SDWIS

Frequently Asked Questions

Is La Porte tap water safe to drink? ▼
No federal limit is exceeded on record. No violations are currently open. Lead is 3.50 ppb, 23% of the action level.
Does La Porte water have PFAS? ▼
It was tested for the six regulated PFAS compounds and none were detected.
Who supplies water to La Porte? ▼
Laporte Water Works (PWSID IN5246017). Groundwater. Drawn from wells — SDWIS source code GW
When was this system last inspected? ▼
It was last inspected on 2026-02-12. No significant deficiencies were recorded.

What Should La Porte 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.

Nearby Cities in Indiana

Michigan City, In Tap Water Quality 2026 LaPorte Westville, In Tap Water Quality 2026 LaPorte Trail Creek, In Tap Water Quality 2026 LaPorte Kingsford Heights, In Tap Water Quality 2026 LaPorte Long Beach, In Tap Water Quality 2026 LaPorte Wanatah, In Tap Water Quality 2026 LaPorte