Water Hardness in Jamestown, OH
Ohio · 1 zip codes · 7 matched water systems
City avg (weighted): 159 PPM
Dataset updated March 9, 20267 matched water systems in the city rollupIndividual systems and ZIPs can differ. Methodology
Is Jamestown, OH Water Hard or Soft?
The displayed hardness for Jamestown, OH is 155 PPM (9.1 GPG) from Greene Co.-Northwest Reg Water, classified as moderately hard. The citywide weighted average is 159 PPM.
Water hardness is not a drinking-water safety score. It measures calcium and magnesium minerals, and address-level results can shift by pressure zone, supply blend, building plumbing, or private well.
How this city reading is built
This city reading is a weighted rollup across 7 matched water systems and 1 ZIP code. Citywide readings are useful for comparison, but individual utility zones and ZIPs can differ.
Hardness is a mineral-content reading, not a drinking-water safety rating. Use it for scale, appliance, and softener decisions; check your utility report or test your tap before sizing treatment equipment. See how we calculate local readings.
Water Systems in Jamestown
These systems are matched to Jamestown, OH. Citywide readings are useful for comparison, but the system serving a specific address may differ from the city average.
| Water System | Source | Hardness | Pop. Served |
|---|---|---|---|
| Greene Co.-Northwest Reg Water OH2903512 | groundwater | 155 PPM Moderately HardUSGS estimate: 420 PPM | |
| Fairborn Public Water System OH2900612 | groundwater | 155 PPM Moderately HardUSGS estimate: 420 PPM | |
| Xenia City Pws OH2902812 | groundwater | 155 PPM Moderately HardUSGS estimate: 420 PPM | |
| Wright-Patterson Afb Area A Pws OH2903412 | groundwater | 155 PPM Moderately HardUSGS estimate: 389 PPM | |
| Wright-Patterson Afb Area B Pws OH2903312 | groundwater | 155 PPM Moderately HardUSGS estimate: 389 PPM |
Zip Codes in Jamestown, OH
What This Means For You
Use this city reading as a local planning estimate, not a final treatment specification. Hardness can vary by utility zone, seasonal blend, private well, and building plumbing. Confirm your tap reading with a utility report or home hardness test before sizing equipment.
Know your water hardness?
If you've tested your water or have your utility's CCR report, share your reading to help us improve accuracy for Jamestown, OH.
Frequently Asked Questions
How hard is the water in Jamestown, OH?
The citywide weighted average water hardness in Jamestown, OH is 159 PPM (9.3 GPG), classified as moderately hard. This is based on 7 matched water systems. The gauge highlights Greene Co.-Northwest Reg Water, a verified treated-water system, because individual systems can differ from the citywide average.
Do I need a water softener in Jamestown, OH?
With a citywide average hardness of 159 PPM, a water softener is worth considering for homes in Jamestown. Confirm your tap reading before sizing equipment.
Is hard water in Jamestown, OH safe to drink?
Water hardness itself is a mineral-content reading, not a drinking-water safety rating. Calcium and magnesium are naturally occurring minerals, but you should check your utility's Consumer Confidence Report for contaminant and compliance information.
How many water systems serve Jamestown, OH?
Jamestown, Ohio is served by 7 matched water systems across 1 zip code.
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