How hard is the water in Belmont County, OH?
22.1 grains per gallon
A softener will pay its way here.
The median hardness measured in Belmont County, OH is 378 mg/L as calcium carbonate, which is 22.1 gpg. That is very hard on the USGS scale. It comes from 1,046 samples at 137 sites between 1997 and 2024, drawn from every sampling site in the county, wells and surface water together.
How much it varies here
Half the sites came in between 13 and 49.4 gpg. The whole middle of that range gives the same answer, so a test of your own tap is unlikely to change it. Confidence in the county figure: high (how it is measured).
What to do next
At 22.1 gpg a softener pays its way here. Before you buy, check the quoted unit's grain capacity against the sizing table below, and ask whether it regenerates on demand, which uses less salt than a timer. Call your utility for its own report if you are on city water.
More on sizing a softener for your household.
From 1.8 to 113.9 gpg
The softest single sample on record in Belmont County was 30.1 mg/L and the hardest 1,950 mg/L, a 65-fold gap. The top quarter of sites read above 49.4 gpg and the bottom quarter below 13 gpg. So even here some sites draw water soft enough to need nothing at all.
Wells 11.2 gpg, rivers and lakes 21.3 gpg
20 groundwater samples from 4 wells put the median at 191.8 mg/L. 917 surface samples from 116 sites put it at 363.8 mg/L. In Belmont County the rivers and lakes come out 10.1 gpg harder. Here the surface water reads harder than the wells, which often points to streams fed by limestone springs or irrigation return flow. A utility here that draws from the aquifer can deliver noticeably different water from a private well next door.
What a softener would cost to run
For a household of 3, a 32,000-grain unit covers a week between regenerations. Expect about 482 lb of salt a year (13 bags of 40 lb, about $87), and roughly 2,346 gallons of regeneration water. Installed, most units run $1,000 to $4,500; spread over 15 years with salt, that is about $187 a year.
Sizing at 22.1 gpg
| People | Grains a day | Unit | Salt a year |
|---|---|---|---|
| 1 | 1,326 | 24,000 | 161 lb |
| 2 | 2,652 | 24,000 | 323 lb |
| 4 | 5,304 | 40,000 | 645 lb |
| 6 | 7,956 | 64,000 | 968 lb |
Belmont County against the rest of Ohio
Among the 88 Ohio counties with data, Belmont County is number 18 of 88 counting from the hardest. Across the whole country it is harder than 88% of counties.
Softest in Ohio: Scioto County at 5.7 gpg. Hardest: Perry County at 113.3 gpg. Closest to Belmont County: Champaign County (22.4), Stark County (21.6), Wyandot County (22.5).