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Evansville, AR Tap Water Quality 2026

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

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

Main Utility: Washington Water Authority Wwa PWSID: AR0000574 Updated: 2026 Q2
✅

No federal limits exceeded on record

Lead is 1.00 ppb, 7% of the action level and no violations are open. No PFAS was detected.

B

Evansville earns a B for water quality

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

Lead: 1.00 ppb — 7% of the federal action level
PFAS tested, none detected
16 violations since 2015, 11 health-based
No violations currently open
Evansville's lead level vs. all Arkansas community water systems
0 ppb5 ppb10 ppb15 ppb
Lead level: 1.00 ppb — 7% of the federal action level
✓ Lower lead than 100% of Arkansas utilities
Population Served
102
~8056 connections
Water Source
Surface water
Purchased from another system — SDWIS source code SWP
Active Violations
0
16 since 2015, all resolved

Lead & Copper Testing

Lead (Pb)
90th percentile of tap samples collected across the distribution system
7% of EPA action level
1.00 ppb
Action level: 15 ppb
The 90th-percentile lead result is 1.00 ppb, 7% 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 — — 2019 Resolved
Public Notice OTHER — — 2019 Resolved
TTHM MCL EXCEEDANCE 84 UG/L 0.080 mg/L 2019 Resolved
TTHM MCL EXCEEDANCE 85 UG/L 0.080 mg/L 2018 Resolved
TTHM MCL EXCEEDANCE 81 UG/L 0.080 mg/L 2018 Resolved
TTHM MCL EXCEEDANCE 85 UG/L 0.080 mg/L 2018 Resolved
Public Notice OTHER — — 2016 Resolved
TTHM MCL EXCEEDANCE 81 UG/L 0.080 mg/L 2016 Resolved
TTHM MCL EXCEEDANCE 108 UG/L 0.080 mg/L 2016 Resolved
TTHM MCL EXCEEDANCE 99 UG/L 0.080 mg/L 2016 Archived
TTHM MCL EXCEEDANCE 93 UG/L 0.080 mg/L 2016 Archived
Public Notice OTHER — — 2016 Resolved
TTHM MCL EXCEEDANCE 102 UG/L 0.080 mg/L 2016 Resolved
Public Notice OTHER — — 2015 Resolved
TTHM MCL EXCEEDANCE 95 UG/L 0.080 mg/L 2015 Resolved
TTHM MCL EXCEEDANCE 83 UG/L 0.080 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

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

About the Main Water System

Utility Washington Water Authority Wwa
PWSID AR0000574
Water source Surface water — Purchased from another system — SDWIS source code SWP
Population served 102
Service connections 8,056
Systems serving this area 1
Regulator State primacy agency
Data through 2026 Q2 — EPA SDWIS

Frequently Asked Questions

Is Evansville tap water safe to drink? ▼
No federal limit is exceeded on record. No violations are currently open. Lead is 1.00 ppb, 7% of the action level.
Does Evansville water have PFAS? ▼
It was tested for the six regulated PFAS compounds and none were detected.
Who supplies water to Evansville? ▼
Washington Water Authority Wwa (PWSID AR0000574). Surface water. Purchased from another system — SDWIS source code SWP
When was this system last inspected? ▼
It was last inspected on 2024-06-25. No significant deficiencies were recorded.

What Should Evansville 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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