Spartanburg County, South Carolina: drinking water report. Spartanburg County serves about 330,000 residents in the South Carolina Upstate.
Spartanburg County serves about 330,000 residents in the South Carolina Upstate. Spartanburg Water draws from Lake Bowen and Municipal Reservoir No. 1, fed by tributaries of the Pacolet River in the Blue Ridge foothills. The protected mountain watersheds provide clean source water, similar to neighboring Greenville County.
Spartanburg Water's mountain-fed reservoirs produce high-quality source water. UCMR5 data shows minimal PFAS detections in the county system. The county does not host major military installations, and its Upstate location is distant from coastal contamination concerns.
According to the South Carolina DHEC's 2024 monitoring data, Spartanburg Water met all federal standards with significant margin. The system has been recognized for water quality excellence in the Southeast.
Spartanburg County's water quality is among the best in South Carolina, thanks to protected mountain watersheds.
Check your water for data in your area. Even with clean supply water, a carbon filter can improve chlorine taste. Our water filter guide covers options. Pull your detailed report, and visit our South Carolina page for statewide data.
Drinking water is one exposure route. These federal datasets also cover Spartanburg County, SC.
The EPA places Spartanburg County, SC in Zone 2 - a moderate-risk category, with a predicted average indoor radon level between 2 and 4 pCi/L. Zone maps predict an area's radon potential from geology and existing indoor readings; they say nothing about a specific house. Testing is the only way to know your own level.
40% of homes in Spartanburg County, SC were built before 1980, and 10% before 1950. Residential lead paint was banned in 1978, so housing age is the strongest available proxy for lead-paint exposure. This describes the county's housing stock, not any one home.
Modelled annual fine-particle pollution (PM2.5) in Spartanburg County, SC averages 8.6 µg/m³, within the EPA's annual standard of 9 µg/m³. These are CDC modelled county estimates rather than readings from a specific monitor.
How radon zones work · Air quality by county · Lead exposure guide