Water hardness in Clinton County
Utilities in Clinton County, OH do not publish finished-water hardness figures, so hardness has to be tested at the property.
| City | Hardness | Utility |
|---|---|---|
| Blanchester | Not published | Village of Blanchester |
| Wilmington | Not published | City of Wilmington Water Department |
Figures come from each utility's own water quality report. Hardness bands follow the Water Quality Association scale: soft under 3.5 grains, moderate 3.5 to 7, hard 7 to 10.5, very hard above 10.5. Where a utility publishes no figure (Wilmington, Blanchester), we test at the property rather than print a guess.
How hard is the water in Clinton County, OH?
Utilities in Clinton County, OH do not publish finished-water hardness figures, so hardness has to be tested at the property. 2 different utilities operate in the county: City of Wilmington Water Department, Village of Blanchester.
Do I need a water softener in Clinton County, OH?
It depends on your address. Hardness varies across the county and the only way to size a system properly is to test the water at the property.
Is there PFAS in Clinton County water?
Wilmington has tested above the federal PFAS limit finalized in 2024, which takes effect in 2029. EPA has proposed letting systems request until 2031 to meet it. Those levels are legal today and the utilities are working toward compliance. Reverse osmosis at the kitchen tap is the treatment that removes PFAS.
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