Water Quality in Delaware
Water hardness and contaminant data for 2 cities across Delaware. Find your city below to see a detailed water quality profile.
2
Cities
37
Avg Hardness (PPM)
52
Hardest City (PPM)
Delaware Cities by Water Hardness
| City | Hardness (PPM) | Level | PFAS (ppt) | Source |
|---|---|---|---|---|
| Dover | 52 | Slightly Hard | 5 | Groundwater wells |
| Wilmington | 22 | Slightly Hard | 6 | Brandywine Creek |