Harrisonburg vs Herndon Water Quality
Side-by-side water quality comparison for two Virginia cities.
If you are comparing Harrisonburg and Herndon water quality - whether moving, choosing between the two, or curious about a relative's water - here is what the data shows.
Hardness comparison
Harrisonburg has somewhat harder water at 110 PPM versus Herndon at 110 PPM, a difference of 0 PPM. Herndon has moderate hardness where a softener is optional.
Water sources and why they differ
Water sources differ: Harrisonburg draws from North River & Dry River, while Herndon uses Potomac River (Fairfax Water). Both use similar source types, but local geology creates the hardness variation.
What this means for you
Not sure what your specific situation needs? Take the quiz to get a recommendation based on your water data, budget, and household size.
| Metric | Harrisonburg | Herndon |
|---|---|---|
| Hardness | 110 PPM | 110 PPM |
| GPG | 6.4 | 6.4 |
| TDS | 153 PPM | 185 PPM |
| PFAS | 0 ppt | 12.5 ppt |
| Lead | 3.6 ppb | 0.4 ppb |
| Chlorine | 0.3 mg/L | 1.4 mg/L |
| Level | Moderately Hard | Moderately Hard |
FAQ
Which has harder water, Harrisonburg or Herndon?
Harrisonburg has harder water at 110 PPM compared to Herndon at 110 PPM. That is a difference of 0 PPM.
Do I need a water softener if I move from Herndon to Harrisonburg?
Probably not. At 110 PPM, the water is manageable without a softener for most homes.
Is Herndon water safe to drink?
Herndon water meets EPA safety standards. No contaminants exceed health guidelines in our data.