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North Carolina Water Quality

624

Utilities in database

9.4M

Residents served

1

With open violations

277

PFAS monitored

Quick Answer

North Carolina public drinking water is served by 624 EPA-tracked water systems, providing service to approximately 9.4 million residents through public utilities. 1 of those systems currently have open health-based violations on record in the EPA federal database. 277 systems have official PFAS monitoring records from the EPA UCMR 5 program (2023–2025). About 35% of NC residents use private wells, which fall outside federal utility compliance monitoring.

1 North Carolina water system has an open health-based violation recorded in EPA SDWIS. An open violation means a contaminant exceeded a federal limit and the violation has not been formally resolved in the federal database. Check individual utility pages for current status.

Open Health-Based Violations in North Carolina

Records sourced from EPA SDWIS. A record may be under review or resolved at the utility level but not yet updated in federal records. Water Utility Report does not determine whether water is safe to drink.

Drinking Water in North Carolina

North Carolina has 624 community water systems serving approximately 9.4 million residents. Primary water sources include surface water. The most commonly reported contaminants include disinfection byproducts, lead. 35% of North Carolina residents rely on private wells. NCDEQ holds primary enforcement authority under the Safe Drinking Water Act.

Highest Risk Utilities

North Carolina systems with open health-based violations in EPA records.

Safest Large Utilities

North Carolina systems with no open health violations serving 10,000+ residents.

Utilities in North Carolina

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Key Contaminant Concerns in North Carolina

These contaminants appear most frequently in North Carolina utility records or pose elevated risk in this region based on EPA data.

City Water Reports in North Carolina

Tap water quality pages for North Carolina cities — violations, PFAS records, utility profiles, and official source links.

North Carolina PFAS Watchlist — all utilities with official records

Independent Water Testing

Find a certified lab in North Carolina

Utility compliance records show what water systems report to the EPA. An independent test from a certified laboratory confirms what's actually in your tap water. North Carolina labs can test for PFAS, lead, nitrates, bacteria, and dozens of other contaminants.

Explore Water Quality in North Carolina

Common Questions About North Carolina Drinking Water

North Carolina Water FAQs

Data sources: Utility compliance and violation data from EPA SDWIS (Safe Drinking Water Information System). PFAS monitoring records from EPA UCMR 5 (Unregulated Contaminant Monitoring Rule 5, 2023–2025). Contaminant data from EPA and ATSDR public references. This page summarizes public records — it is not a compliance determination. Methodology →

Last updated: 2026-04-17