How hard is the water in Oneida County, NY?
17.6 grains per gallon
A softener will pay its way here.
The median hardness measured in Oneida County, NY is 301 mg/L as calcium carbonate, which is 17.6 gpg. That is very hard on the USGS scale. It comes from 46 samples at 35 sites between 1990 and 2022, 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 10.5 and 21.5 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 17.6 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 4.2 to 75.9 gpg
The softest single sample on record in Oneida County was 71.5 mg/L and the hardest 1,300 mg/L, an 18-fold gap. The top quarter of sites read above 21.5 gpg and the bottom quarter below 10.5 gpg.
Wells 17.6 gpg, rivers and lakes 3.9 gpg
46 groundwater samples from 35 wells put the median at 301 mg/L. 350 surface samples from 42 sites put it at 66.5 mg/L. In Oneida County the wells come out 13.7 gpg harder. Groundwater sits in contact with rock for years and picks up calcium and magnesium as it goes, so wells usually read harder. A utility here that draws from the river can deliver noticeably different water from a private well next door.
What a softener would cost to run
For a household of 3, a 24,000-grain unit covers a week between regenerations. Expect about 384 lb of salt a year (10 bags of 40 lb, about $69), 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 $169 a year.
Sizing at 17.6 gpg
| People | Grains a day | Unit | Salt a year |
|---|---|---|---|
| 1 | 1,056 | 24,000 | 128 lb |
| 2 | 2,112 | 24,000 | 257 lb |
| 4 | 4,224 | 32,000 | 514 lb |
| 6 | 6,336 | 48,000 | 771 lb |
Oneida County against the rest of New York
Among the 61 New York counties with data, Oneida County is number 12 of 61 counting from the hardest. Across the whole country it is harder than 78% of counties.
Softest in New York: Suffolk County at 1.6 gpg. Hardest: New York County at 161.1 gpg. Closest to Oneida County: Erie County (17.6), Montgomery County (17.4), Seneca County (18.6).