How hard is the water in Richland County, OH?
14.3 grains per gallon
A softener will pay its way here.
The median hardness measured in Richland County, OH is 244 mg/L as calcium carbonate, which is 14.3 gpg. That is very hard on the USGS scale. It comes from 36 samples at 7 sites between 1991 and 2024, drawn from groundwater wells, which is what most taps and private wells in the county draw on.
How much it varies here
Half the sites came in between 7.7 and 16.8 gpg. That spread crosses a decision line, so some homes here land on a different answer. A $10 test strip on your own tap settles it. Confidence in the county figure: medium (how it is measured).
What to do next
At 14.3 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. Because Richland County straddles a decision line, check your own tap with a $10 test strip before you spend anything.
More on sizing a softener for your household.
From 5.5 to 25.2 gpg
The softest single sample on record in Richland County was 93.7 mg/L and the hardest 432 mg/L, a 5-fold gap. The top quarter of sites read above 16.8 gpg and the bottom quarter below 7.7 gpg.
Wells 14.3 gpg, rivers and lakes 16.3 gpg
36 groundwater samples from 7 wells put the median at 244 mg/L. 250 surface samples from 38 sites put it at 278.5 mg/L. In Richland County the rivers and lakes come out 2.0 gpg harder. Here the surface water reads harder than the wells, which often points to streams fed by limestone springs or irrigation return flow. The two sources are close, so the county figure should hold whichever one your tap is on.
What a softener would cost to run
For a household of 3, a 24,000-grain unit covers a week between regenerations. Expect about 311 lb of salt a year (8 bags of 40 lb, about $56), 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 $156 a year.
Sizing at 14.3 gpg
| People | Grains a day | Unit | Salt a year |
|---|---|---|---|
| 1 | 858 | 24,000 | 104 lb |
| 2 | 1,716 | 24,000 | 209 lb |
| 4 | 3,432 | 32,000 | 418 lb |
| 6 | 5,148 | 40,000 | 626 lb |
Richland County against the rest of Ohio
Among the 88 Ohio counties with data, Richland County is number 67 of 88 counting from the hardest. Across the whole country it is harder than 67% of counties.
Softest in Ohio: Scioto County at 5.7 gpg. Hardest: Perry County at 113.3 gpg. Closest to Richland County: Guernsey County (14.2), Summit County (14), Paulding County (14.7).