Water Hardness in 45162
Pleasant Plain, Ohio · Warren County
Dataset updated March 9, 2026Matched to 6 water systemsTap readings can vary by utility zone, treatment, and plumbing. Methodology
How this ZIP reading is built
This ZIP reading is built from 6 matched water systems. When more than one system is matched, the displayed value is weighted toward larger known service populations when that data is available.
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 Serving 45162
These are the systems matched to this ZIP code. The displayed ZIP value is weighted toward larger known service populations when population data is available.
| Water System | Source | Hardness | Pop. Served |
|---|---|---|---|
| Warren County OH8301512 | groundwater | 383 PPM Very Hard | |
| Western Water Company OH8300512 | surface water | 338 PPM Very Hard | |
| Lebanon City OH8304112 | surface water | 383 PPM Very Hard | |
| Springboro Pws OH8301412 | groundwater | 383 PPM Very Hard | |
| Franklin Public Water System OH8300412 | groundwater | 383 PPM Very Hard |
Nearby Zip Codes
What This Means For You
Use this ZIP 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 Pleasant Plain, OH (45162).
Frequently Asked Questions
Is the water hard in Pleasant Plain, OH (45162)?
The average water hardness in 45162 is 374 PPM (21.8 GPG), which is classified as very hard.
Do I need a water softener in 45162?
With hardness of 374 PPM, a water softener is recommended for homes in 45162.
Is hard water in 45162 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 45162?
Zip code 45162 in Pleasant Plain, Ohio is served by 6 water systems.
Learn More About Your Water
How to Test Water Hardness at Home
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