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Mount Pleasant, NC Tap Water Quality 2026

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

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

Main Utility: Mount Pleasant, Town Of PWSID: NC0113020 Updated: 2026 Q2
✅

No federal limits exceeded on record

Lead was not detected and no violations are open. PFAS has never been sampled at this system.

B

Mount Pleasant earns a B for water quality

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

Lead: not detected
PFAS never sampled at this system
29 violations since 2015, 22 health-based
No violations currently open
Mount Pleasant'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
1644
~1168 connections
Water Source
Surface water
Drawn from surface water — SDWIS source code SW
Active Violations
0
29 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
Total Haloacetic Acids (HAA5) MCL EXCEEDANCE 0.065 MG/L 0.060 mg/L 2026 Addressed
TTHM MCL EXCEEDANCE 0.105 MG/L 0.080 mg/L 2026 Addressed
Total Haloacetic Acids (HAA5) MCL EXCEEDANCE 0.073 MG/L 0.060 mg/L 2026 Archived
TTHM MCL EXCEEDANCE 0.112 MG/L 0.080 mg/L 2026 Archived
Lead and Copper Rule MONITORING AND REPORTING — TT 2026 Addressed
Total Haloacetic Acids (HAA5) MCL EXCEEDANCE 0.083 MG/L 0.060 mg/L 2025 Archived
TTHM MCL EXCEEDANCE 0.127 MG/L 0.080 mg/L 2025 Archived
Total Haloacetic Acids (HAA5) MCL EXCEEDANCE 0.118 MG/L 0.060 mg/L 2025 Archived
TTHM MCL EXCEEDANCE 0.181 MG/L 0.080 mg/L 2025 Archived
Total Haloacetic Acids (HAA5) MCL EXCEEDANCE 0.101 MG/L 0.060 mg/L 2025 Archived
TTHM MCL EXCEEDANCE 0.156 MG/L 0.080 mg/L 2025 Archived
Public Notice OTHER — — 2025 Resolved
Public Notice OTHER — — 2025 Resolved
Total Haloacetic Acids (HAA5) MCL EXCEEDANCE 0.109 MG/L 0.060 mg/L 2025 Archived
TTHM MCL EXCEEDANCE 0.162 MG/L 0.080 mg/L 2025 Archived
Dalapon MONITORING AND REPORTING — 0.2 mg/L 2025 Resolved
Hexachlorocyclopentadiene MONITORING AND REPORTING — 0.05 mg/L 2025 Resolved
Total Haloacetic Acids (HAA5) MCL EXCEEDANCE 0.103 MG/L 0.060 mg/L 2024 Archived
TTHM MCL EXCEEDANCE 0.184 MG/L 0.080 mg/L 2024 Archived
CARBON, TOTAL MONITORING AND REPORTING — TT 2024 Resolved
TTHM MCL EXCEEDANCE 0.124 MG/L 0.080 mg/L 2024 Archived
Total Haloacetic Acids (HAA5) MCL EXCEEDANCE 0.07 MG/L 0.060 mg/L 2024 Archived
Total Haloacetic Acids (HAA5) MCL EXCEEDANCE 0.082 MG/L 0.060 mg/L 2024 Archived
TTHM MCL EXCEEDANCE 0.106 MG/L 0.080 mg/L 2024 Archived
CARBON, TOTAL TREATMENT TECHNIQUE 0.99 RATIO TT 2024 Resolved
Total Haloacetic Acids (HAA5) MCL EXCEEDANCE 0.064 MG/L 0.060 mg/L 2024 Archived
TTHM MCL EXCEEDANCE 0.085 MG/L 0.080 mg/L 2024 Archived
Total Haloacetic Acids (HAA5) MCL EXCEEDANCE 0.061 MG/L 0.060 mg/L 2023 Archived
Gross Alpha, Excl. Radon and U MONITORING AND REPORTING — 15 pCi/L 2017–2025 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

29 violations are on record since 2015, of which 22 were health-based. All have been resolved and none remain open.

About the Main Water System

Utility Mount Pleasant, Town Of
PWSID NC0113020
Water source Surface water — Drawn from surface water — SDWIS source code SW
Population served 1,644
Service connections 1,168
Systems serving this area 2
Regulator State primacy agency
Data through 2026 Q2 — EPA SDWIS

Frequently Asked Questions

Is Mount Pleasant tap water safe to drink? ▼
No federal limit is exceeded on record. No violations are currently open.
Does Mount Pleasant water have PFAS? ▼
This system has never been sampled for PFAS. EPA's national monitoring covered systems serving 3,300 people or more, so no results exist — which is not evidence that none is present.
Who supplies water to Mount Pleasant? ▼
Mount Pleasant, Town Of (PWSID NC0113020), 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 2026-06-03. No significant deficiencies were recorded.

What Should Mount Pleasant 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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