Orange Water and Sewer Authority (OWASA) โ same as Chapel Hill
Serves Carrboro ยท Population ~21,500
- Hardness2.0GPGSoft to slightly hard. Some scale buildup over time.Mild
- Chlorine1.3ppmOWASA supply (plant in Carrboro). Free chlorine โ standard carbon removes it.Filter recommended
- PFAS9 compoundsOWASA documents 9 PFAS in finished water โ same as Chapel Hill.RO required
- Lead0.003ppmOlder UNC-adjacent Carrboro homes higher risk; treatment-plant water is clean.RO recommended
- TDS135ppmTotal dissolved solids. Cane Creek + University Lake + Quarry Reservoir sources.Normal
- pH7.4Slightly alkaline. Within EPA recommended range.Within range
- THMs44ยตg/LDisinfection byproducts. Within EPA limits.Filter recommended
- SourceSurfaceUniversity Lake, Cane Creek Reservoir, Quarry Reservoir (Cape Fear basin)Documented
