Largest public system
- Salisbury-Rowan Utilities: Hardness
- 23 mg/L
- About 1.3 grains per gallon: soft by USGS classes. As reported (2025).
- Salisbury-Rowan Utilities (City of Salisbury), 2025
- Salisbury-Rowan Utilities: Disinfectant
- Free chlorine
- Salisbury-Rowan Utilities (City of Salisbury), 2025
- Salisbury-Rowan Utilities: TTHM (disinfection byproducts)
- 54 ppb
- As reported (2025); federal limit 80 ppb.
- Salisbury-Rowan Utilities (City of Salisbury), 2025
- Salisbury-Rowan Utilities: HAA5 (disinfection byproducts)
- 39 ppb
- As reported (2025); federal limit 60 ppb.
- Salisbury-Rowan Utilities (City of Salisbury), 2025