States ›North Carolina ›Gaston County ›Dallas

Dallas, NC Tap Water Quality 2026

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

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

Main Utility: Dallas, Town Of PWSID: NC0136065 Updated: 2026 Q2
✅

No federal limits exceeded on record

Lead was not detected and no violations are open. PFAS was detected below the federal limit.

B

Dallas earns a B for water quality

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

Lead: not detected
PFAS detected below the federal limit
34 violations since 2015, 6 health-based
No violations currently open
Dallas's lead level vs. all North Carolina community water systems
0 ppb5 ppb10 ppb15 ppb
Lead level: Not detected — 0% of the federal action level
✓ Lower lead than % of North Carolina utilities
Population Served
4556
~3233 connections
Water Source
Surface water
Drawn from surface water — SDWIS source code SW
Active Violations
0
34 since 2015, all resolved

Lead & Copper Testing

Lead (Pb)
90th percentile of tap samples collected across the distribution system
0% of EPA action level
Not detected
Action level: 15 ppb
Lead was not detected at the 90th percentile — the result fell below the laboratory detection limit. That is not the same as an absence of lead in every tap, and older homes with lead service lines can still show higher readings.

Contaminant Violations (2015–Present)

ContaminantTypeMeasuredLimitPeriodStatus
Public Notice OTHER — — 2026 Addressed
Revised Total Coliform Rule REPORTING FAILURE — — 2024 Resolved
Consumer Confidence Rule OTHER — — 2024 Resolved
TTHM MONITORING AND REPORTING — 0.080 mg/L 2024 Resolved
Total Haloacetic Acids (HAA5) MONITORING AND REPORTING — 0.060 mg/L 2024 Resolved
CARBON, TOTAL MONITORING AND REPORTING — TT 2023 Resolved
Lead and Copper Rule MONITORING AND REPORTING — TT 2023 Resolved
TTHM MCL EXCEEDANCE 0.094 MG/L 0.080 mg/L 2023 Resolved
Public Notice OTHER — — 2022 Resolved
TTHM MCL EXCEEDANCE 0.107 MG/L 0.080 mg/L 2022 Resolved
TTHM MCL EXCEEDANCE 0.114 MG/L 0.080 mg/L 2022 Resolved
Public Notice OTHER — — 2022 Resolved
Public Notice OTHER — — 2021 Resolved
Revised Total Coliform Rule REPORTING FAILURE — — 2021 Resolved
Consumer Confidence Rule OTHER — — 2020 Resolved
TTHM MONITORING AND REPORTING — 0.080 mg/L 2020 Resolved
Total Haloacetic Acids (HAA5) MONITORING AND REPORTING — 0.060 mg/L 2020 Resolved
ETHYLENE DIBROMIDE MONITORING AND REPORTING — 0.00005 mg/L 2020–2022 Archived
Chlordane MONITORING AND REPORTING — 0.002 mg/L 2020–2022 Resolved
Total Polychlorinated Biphenyls (PCB) MONITORING AND REPORTING — 0.0005 mg/L 2020–2022 Resolved
Toxaphene MONITORING AND REPORTING — 0.003 mg/L 2020–2022 Resolved
1,2-DIBROMO-3-CHLOROPROPANE MONITORING AND REPORTING — 0.0002 mg/L 2020–2022 Archived
Consumer Confidence Rule OTHER — — 2019 Resolved
Interim Enhanced Surface Water Treatment Rule TREATMENT TECHNIQUE — — 2018 Resolved
Surface Water Treatment Rule TREATMENT TECHNIQUE — — 2018 Resolved
Consumer Confidence Rule OTHER — — 2018 Resolved
TTHM MONITORING AND REPORTING — 0.080 mg/L 2017–2018 Resolved
Total Haloacetic Acids (HAA5) MONITORING AND REPORTING — 0.060 mg/L 2017–2018 Resolved
TTHM MONITORING AND REPORTING — 0.080 mg/L 2016 Resolved
Total Haloacetic Acids (HAA5) MONITORING AND REPORTING — 0.060 mg/L 2016 Resolved
TTHM MONITORING AND REPORTING — 0.080 mg/L 2015–2016 Resolved
Total Haloacetic Acids (HAA5) MONITORING AND REPORTING — 0.060 mg/L 2015–2016 Resolved
CARBON, TOTAL MONITORING AND REPORTING — TT 2015 Archived
Total Haloacetic Acids (HAA5) MCL EXCEEDANCE 0.067 MG/L 0.060 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

34 violations are on record since 2015, of which 6 were health-based. All have been resolved and none remain open.

About the Main Water System

Utility Dallas, Town Of
PWSID NC0136065
Water source Surface water — Drawn from surface water — SDWIS source code SW
Population served 4,556
Service connections 3,233
Systems serving this area 2
Regulator State primacy agency
Data through 2026 Q2 — EPA SDWIS

Frequently Asked Questions

Is Dallas tap water safe to drink? ▼
No federal limit is exceeded on record. No violations are currently open.
Does Dallas water have PFAS? ▼
PFAS was detected but stayed below the federal limit.
Who supplies water to Dallas? ▼
Dallas, Town Of (PWSID NC0136065), one of 2 systems serving this area. Surface water. Drawn from surface water — SDWIS source code SW
When was this system last inspected? ▼
It was last inspected on 2026-06-02. No significant deficiencies were recorded.

What Should Dallas 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 North Carolina

Gastonia, Nc Tap Water Quality 2026 Gaston Mount Holly, Nc Tap Water Quality 2026 Gaston Belmont, Nc Tap Water Quality 2026 Gaston Cherryville, Nc Tap Water Quality 2026 Gaston Bessemer City, Nc Tap Water Quality 2026 Gaston Ranlo, Nc Tap Water Quality 2026 Gaston