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Water Hardness in 45053

Okeana, Ohio · Butler County

140 PPM
8.2 GPG
Moderately Hard
0Soft60120180300+
Verified — Annual Water Quality Report

Dataset updated March 9, 2026Matched to 8 water systemsTap readings can vary by utility zone, treatment, and plumbing. Methodology

Source context

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.

Source basis
8 verified treated-water sources
8 matched systems total for this ZIP; treated-water reports are prioritized when available.
Water source profile
Primarily groundwater
Groundwater commonly picks up calcium and magnesium after contact with rock and soil. This profile is weighted by known population served across matched systems.
Data recency
March 9, 2026
Dataset rebuilt March 9, 2026; individual utility reporting years can vary.

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 45053

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.

8 water systems
PWSID is the public water system identifier. Data Source shows whether the hardness value comes from a treated-water report, USGS monitoring, or a local estimate; source year is shown when available.
Butler Co. Water District 2 Pws
OH0900303
Moderately Hard
140 PPMsurface water116,572 servedVerified — Annual Water Quality Report
Source water: 380 PPM
Hamilton Public Water System
OH0904012
Moderately Hard
140 PPMgroundwater62,447 servedVerified — Annual Water Quality Report
Source water: 414 PPM
Middletown City Pws
OH0901712
Moderately Hard
140 PPMgroundwater51,229 servedVerified — Annual Water Quality Report
Source water: 380 PPM
Fairfield City Pws
OH0900715
Moderately Hard
140 PPMgroundwater44,907 servedVerified — Annual Water Quality Report
Source water: 414 PPM
Southwest Regional Water District
OH0903912
Moderately Hard
140 PPMgroundwater42,856 servedVerified — Annual Water Quality Report
Source water: 380 PPM
Showing the first 5 systems. Expand to review all matched systems.

Nearby Zip Codes

What This Means For You

Recommendations are based on the displayed ZIP hardness reading. Confirm your tap reading before sizing or buying treatment 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 Okeana, OH (45053).

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Frequently Asked Questions

Is the water hard in Okeana, OH (45053)?

The average water hardness in 45053 is 140 PPM (8.2 GPG), which is classified as moderately hard.

Do I need a water softener in 45053?

With hardness of 140 PPM, a water softener is worth considering for homes in 45053.

Is hard water in 45053 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 45053?

Zip code 45053 in Okeana, Ohio is served by 8 water systems.

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