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Addison, TX Tap Water Quality 2026

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

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

Main Utility: Town Of Addison PWSID: TX0570031 Updated: 2026 Q2
✅

No federal limits exceeded on record

Lead is 1.35 ppb, 9% of the action level and no violations are open. PFAS was sampled but not enough times for a compliance determination.

B

Addison earns a B for water quality

Graded on violations and lead, with state inspection findings. PFAS not tested.

Lead: 1.35 ppb — 9% of the federal action level
PFAS sampled, too few results to judge
2 violations since 2015, 0 health-based
No violations currently open
Addison's lead level vs. all Texas community water systems
0 ppb5 ppb10 ppb15 ppb
Lead level: 1.35 ppb — 9% of the federal action level
✓ Lower lead than 65% of Texas utilities
Population Served
16371
~12434 connections
Water Source
Surface water
Purchased from another system — SDWIS source code SWP
Active Violations
0
2 since 2015, all resolved

Lead & Copper Testing

Lead (Pb)
90th percentile of tap samples collected across the distribution system
9% of EPA action level
1.35 ppb
Action level: 15 ppb
The 90th-percentile lead result is 1.35 ppb, 9% 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
TTHM MONITORING AND REPORTING — 0.080 mg/L 2021 Resolved
Total Haloacetic Acids (HAA5) MONITORING AND REPORTING — 0.060 mg/L 2021 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 Town Of Addison
PWSID TX0570031
Water source Surface water — Purchased from another system — SDWIS source code SWP
Population served 16,371
Service connections 12,434
Systems serving this area 4
Regulator State primacy agency
Data through 2026 Q2 — EPA SDWIS

Frequently Asked Questions

Is Addison tap water safe to drink? ▼
No federal limit is exceeded on record. No violations are currently open. Lead is 1.35 ppb, 9% of the action level.
Does Addison water have PFAS? ▼
It was sampled, but no sampling point had enough results for a compliance determination.
Who supplies water to Addison? ▼
Town Of Addison (PWSID TX0570031), one of 4 systems serving this area. Surface water. Purchased from another system — SDWIS source code SWP
When was this system last inspected? ▼
It was last inspected on 2025-06-17. No significant deficiencies were recorded.

What Should Addison 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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