Water Hardness in 45062
Seven Mile, Ohio · Butler County
Dataset updated March 9, 2026Matched to 8 water systemsTap readings can vary by utility zone, treatment, and plumbing. Methodology
How this ZIP reading is built
This ZIP reading is built from 8 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 45062
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 |
|---|---|---|---|
| Butler Co. Water District 2 Pws OH0900303 | surface water | 140 PPM Moderately HardUSGS estimate: 380 PPM | |
| Hamilton Public Water System OH0904012 | groundwater | 140 PPM Moderately HardUSGS estimate: 414 PPM | |
| Middletown City Pws OH0901712 | groundwater | 140 PPM Moderately HardUSGS estimate: 380 PPM | |
| Fairfield City Pws OH0900715 | groundwater | 140 PPM Moderately HardUSGS estimate: 414 PPM | |
| Southwest Regional Water District OH0903912 | groundwater | 140 PPM Moderately HardUSGS estimate: 380 PPM |
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 Seven Mile, OH (45062).
Frequently Asked Questions
Is the water hard in Seven Mile, OH (45062)?
The average water hardness in 45062 is 140 PPM (8.2 GPG), which is classified as moderately hard.
Do I need a water softener in 45062?
With hardness of 140 PPM, a water softener is worth considering for homes in 45062.
Is hard water in 45062 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 45062?
Zip code 45062 in Seven Mile, Ohio is served by 8 water systems.
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