Union County, North Carolina: drinking water report. Union County sits southeast of Charlotte, home to about 250,000 residents in communities like Monroe,…
Union County sits southeast of Charlotte, home to about 250,000 residents in communities like Monroe, Indian Trail, and Weddington. Union County Public Works draws from the Rocky River and purchases supplemental water from Charlotte Water and the Anson County water system.
Union County's water sources are surface water from small Piedmont rivers and purchased Charlotte water from the Catawba system. UCMR5 data shows minimal PFAS detections. The county's suburban character means contamination sources are primarily diffuse rather than industrial.
According to NC DEQ's 2024 monitoring data, county systems met all federal standards. Growth pressure is the main water quality dynamic – the county has nearly doubled in population since 2000, expanding infrastructure rapidly.
Union County's water quality is good. Rapid growth and new infrastructure are the primary dynamics to watch.
Check your water for data in your area. A carbon filter handles taste concerns. Our water filter guide covers options. Pull your detailed report, and visit our North Carolina page for statewide data.