Covering Huntsville, Madison, Harvest, Hazel Green, Meridianville. Updated with the latest utility data and the February 2026 Sierra Club PFAS findings.
Water Source
Tennessee River (city); Limestone aquifer wells (rural)
| Metric | Reading | Risk Level |
|---|---|---|
| Water Hardness | 15.0–32.0 GPG (City: 15–18; Private Wells: up to 32) | High |
| PFAS | HIGH — 6.5+ ppt at Lincoln/Dallas Plant (exceeds EPA 4 ppt limit) | HIGH |
| Disinfectant | Chloramine (switched 2021) | Standard |
| Primary Concerns | Extreme hardness, PFAS above EPA limit, chloramine disinfection, Bromodichloromethane (THM) | |
🚨 PFAS Alert: The February 2026 Sierra Club report confirmed PFAS at 6.5+ ppt at the Huntsville Lincoln/Dallas Water Treatment Plant — above the EPA's new 4 ppt maximum contaminant level. NSF/ANSI 58-certified reverse osmosis is strongly recommended for all drinking and cooking water in Madison County. Read our full PFAS analysis →
Recommended system: Water softener (high-capacity) + catalytic carbon whole-home filter + NSF/ANSI 58 RO for drinking water
✔ Recommendation reviewed by a 18-Year Water Treatment Professional
Read the Full System Guide →County-wide data is a useful starting point, but your specific water source matters. Use our interactive diagnostic tool to get a recommendation based on your exact city, or run our free city diagnostic: