Mcdowell County, North Carolina: drinking water report. McDowell County – Marion – serves about 45,000 residents in the western NC foothills.
McDowell County – Marion – serves about 45,000 residents in the western NC foothills. Water comes from the Catawba River headwaters and mountain streams. The county sits at the transition between the Blue Ridge Mountains and the Piedmont.
McDowell County benefits from mountain headwater sources that are naturally clean. UCMR5 data shows no significant PFAS detections. According to NC DEQ's 2024 data, county systems met all federal standards.
McDowell County's mountain water sources provide clean drinking water.
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