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Harrisburg, AR Tap Water Quality 2026

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

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

Main Utility: Harrisburg Waterworks PWSID: AR0000431 Updated: 2026 Q2
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Lead above the federal action level

Lead is 18.00 ppb, 120% of the action level and no violations are open. No PFAS was detected.

C

Harrisburg earns a C for water quality

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

Lead: 18.00 ppb — 120% of the federal action level
PFAS tested, none detected
2 violations since 2015, 0 health-based
No violations currently open
Harrisburg's lead level vs. all Arkansas community water systems
0 ppb5 ppb10 ppb15 ppb
Lead level: 18.00 ppb — 100% of the federal action level
✓ Lower lead than 4% of Arkansas utilities
Population Served
1580
~1348 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
100% of EPA action level
18.00 ppb
Action level: 15 ppb
The 90th-percentile lead result is 18.00 ppb, 120% 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 — — 2021 Resolved
Revised Total Coliform Rule REPORTING FAILURE — — 2018 Unaddressed
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 Harrisburg Waterworks
PWSID AR0000431
Water source Groundwater — Drawn from wells — SDWIS source code GW
Population served 1,580
Service connections 1,348
Systems serving this area 2
Regulator State primacy agency
Data through 2026 Q2 — EPA SDWIS

Frequently Asked Questions

Is Harrisburg tap water safe to drink? ▼
No federal limit is exceeded on record. No violations are currently open. Lead is 18.00 ppb, 120% of the action level.
Does Harrisburg water have PFAS? ▼
It was tested for the six regulated PFAS compounds and none were detected.
Who supplies water to Harrisburg? ▼
Harrisburg Waterworks (PWSID AR0000431), one of 2 systems serving this area. Groundwater. Drawn from wells — SDWIS source code GW
When was this system last inspected? ▼
It was last inspected on 2023-10-18. No significant deficiencies were recorded.

What Should Harrisburg 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.

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