Graham County, North Carolina: drinking water report. Graham County – Robbinsville – is the least populous county in this list, with about 8,500 residents
Graham County – Robbinsville – is the least populous county in this list, with about 8,500 residents in the far western tip of North Carolina. Water comes from mountain streams in the Nantahala and Cherokee National Forests. The county's extreme isolation and forest cover make it one of the cleanest water environments in the eastern United States.
Graham County's water sources are pristine mountain streams with essentially zero industrial or agricultural contamination. UCMR5 data shows no PFAS detections. According to NC DEQ's 2024 data, systems met all standards.
Graham County's water is as clean as municipal water gets in the eastern US.
Check your water for data confirming quality. Our water filter guide covers options. Pull your detailed report, and visit our North Carolina page for statewide data.