United States Last reviewed: August 28, 2026

North Carolina Tap Water Quality

Q: Is tap water safe to drink in North Carolina?

Yes across the major metros, and Wilmington's water now passes through one of the country's largest carbon treatment plants specifically to remove PFAS. Private wells near Fayetteville Works should be in Chemours' testing program.

Q: What is GenX and why is it tied to North Carolina?

GenX is a PFAS compound Chemours used and discharged into the Cape Fear River, contaminating downstream drinking supplies: discovered publicly in 2017, it triggered a consent order, health studies, and the treatment build-out.

Q: Did coal ash contaminate North Carolina drinking water?

Groundwater near several Duke Energy ash ponds exceeded standards for ash-related constituents, prompting bottled-water programs, waterline extensions, and court-ordered excavation of the ponds.

about 2,000

Community water systems

City reports on this site

Tracked contaminants

August 28, 2026

Data reviewed

Check a North Carolina ZIP Code

Overview

North Carolina's Piedmont cities (Charlotte, Raleigh, Durham, Greensboro, Winston-Salem) run modern reservoir-fed systems that meet all federal standards. The coastal plain leans on groundwater and smaller systems.

The Cape Fear River made the state a PFAS epicenter: Chemours' Fayetteville Works discharged GenX and related compounds for decades, contaminating Wilmington's supply downstream and thousands of private wells nearby. A consent order forced emissions cuts, well remediation, and advanced treatment (Wilmington's granular activated carbon plant is among the nation's largest responses). Coal-ash pond seepage into groundwater has been the other long-running fight.

Common Contaminants in North Carolina

PFAS / GenX

The Cape Fear basin case is nationally defining: downstream utilities installed major treatment and Chemours operates under a consent order with ongoing well testing

Coal-ash constituents

Groundwater near legacy ash ponds showed boron, cobalt, and arsenic; excavation settlements are removing ash statewide

Lead from plumbing

Older urban housing carries typical legacy-plumbing risk; utilities run corrosion control

Violations & Compliance

The big Piedmont utilities are consistently compliant. GenX-era scrutiny made North Carolina's PFAS monitoring among the most intensive anywhere; small coastal and mountain systems account for routine violations.