Water Quality in Pennsylvania
Water hardness and contaminant data for 7 cities across Pennsylvania. Find your city below to see a detailed water quality profile.
7
Cities
79
Avg Hardness (PPM)
140
Hardest City (PPM)
Pennsylvania Cities by Water Hardness
| City | Hardness (PPM) | Level | PFAS (ppt) | Source |
|---|---|---|---|---|
| Pittsburgh | 140 | Hard | 5 | Allegheny River |
| Erie | 130 | Hard | 5 | Lake Erie |
| Philadelphia | 100 | Moderately Hard | 8 | Delaware + Schuylkill Rivers |
| Bethlehem | 62 | Moderately Hard | 4 | Wild Creek, Pocono Mountain reservoirs |
| Allentown | 57 | Slightly Hard | 6 | Little Lehigh Creek, Lehigh River |
| Scranton | 40 | Slightly Hard | 6 | Lake Scranton, Elmhurst Reservoir |
| Reading | 26 | Slightly Hard | 3 | Maiden Creek Reservoir |