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Marble, NC Tap Water Quality 2026

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

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

Main Utility: Marble Community Wtr System PWSID: NC0120025 Updated: 2026 Q2
✅

No federal limits exceeded on record

Lead is 5.50 ppb, 37% of the action level and no violations are open. PFAS has never been sampled at this system.

B

Marble earns a B for water quality

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

Lead: 5.50 ppb — 37% of the federal action level
PFAS never sampled at this system
25 violations since 2015, 1 health-based
No violations currently open
Marble's lead level vs. all North Carolina community water systems
0 ppb5 ppb10 ppb15 ppb
Lead level: 5.50 ppb — 37% of the federal action level
✓ Lower lead than 31% of North Carolina utilities
Population Served
258
~490 connections
Water Source
Groundwater
Drawn from wells — SDWIS source code GW
Active Violations
0
25 since 2015, all resolved

Lead & Copper Testing

Lead (Pb)
90th percentile of tap samples collected across the distribution system
37% of EPA action level
5.50 ppb
Action level: 15 ppb
The 90th-percentile lead result is 5.50 ppb, 37% 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
Lead and Copper Rule MONITORING AND REPORTING — TT 2025 Addressed
Revised Total Coliform Rule REPORTING FAILURE — — 2025 Resolved
LEAD AND COPPER RULE REVISIONS TREATMENT TECHNIQUE — — 2024 Resolved
LEAD AND COPPER RULE REVISIONS REPORTING FAILURE — — 2024 Resolved
Consumer Confidence Rule OTHER — — 2024 Resolved
Lead and Copper Rule MONITORING AND REPORTING — TT 2023 Addressed
Consumer Confidence Rule OTHER — — 2022 Resolved
TTHM MONITORING AND REPORTING — 0.080 mg/L 2021–2022 Resolved
Total Haloacetic Acids (HAA5) MONITORING AND REPORTING — 0.060 mg/L 2021–2022 Resolved
Consumer Confidence Rule OTHER — — 2021 Resolved
ETHYLENE DIBROMIDE MONITORING AND REPORTING — 0.00005 mg/L 2021 Resolved
Chlordane MONITORING AND REPORTING — 0.002 mg/L 2021 Resolved
Total Polychlorinated Biphenyls (PCB) MONITORING AND REPORTING — 0.0005 mg/L 2021 Resolved
Pentachlorophenol MONITORING AND REPORTING — 0.001 mg/L 2021 Resolved
2,4,5-TP MONITORING AND REPORTING — 0.05 mg/L 2021 Resolved
Dinoseb MONITORING AND REPORTING — 0.007 mg/L 2021 Resolved
Dalapon MONITORING AND REPORTING — 0.2 mg/L 2021 Resolved
Toxaphene MONITORING AND REPORTING — 0.003 mg/L 2021 Resolved
1,2-DIBROMO-3-CHLOROPROPANE MONITORING AND REPORTING — 0.0002 mg/L 2021 Resolved
2,4-D MONITORING AND REPORTING — 0.07 mg/L 2021 Resolved
Picloram MONITORING AND REPORTING — 0.5 mg/L 2021 Resolved
Consumer Confidence Rule OTHER — — 2020 Resolved
Consumer Confidence Rule OTHER — — 2019 Resolved
TTHM MONITORING AND REPORTING — 0.080 mg/L 2016–2017 Resolved
Total Haloacetic Acids (HAA5) MONITORING AND REPORTING — 0.060 mg/L 2016–2017 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

25 violations are on record since 2015, of which 1 were health-based. All have been resolved and none remain open.

About the Main Water System

Utility Marble Community Wtr System
PWSID NC0120025
Water source Groundwater — Drawn from wells — SDWIS source code GW
Population served 258
Service connections 490
Systems serving this area 1
Regulator State primacy agency
Data through 2026 Q2 — EPA SDWIS

Frequently Asked Questions

Is Marble tap water safe to drink? ▼
No federal limit is exceeded on record. No violations are currently open. Lead is 5.50 ppb, 37% of the action level.
Does Marble 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 Marble? ▼
Marble Community Wtr System (PWSID NC0120025). Groundwater. Drawn from wells — SDWIS source code GW
When was this system last inspected? ▼
It was last inspected on 2026-03-23. No significant deficiencies were recorded.

What Should Marble 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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