HardnessCheck

How hard is the water in Columbia County, NY?

8.2 grains per gallon

The median hardness measured in Columbia County, NY is 141 mg/L as calcium carbonate, which is 8.2 gpg. That is hard on the USGS scale. It comes from 17 samples at 15 sites between 1993 and 2018, 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 5.7 and 13.6 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 8.2 gpg a softener is worth getting, mainly to protect the water heater and cut soap use. Get at least two quotes, ask each installer what grain capacity they are fitting, and check it against the sizing table below. Because Columbia 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 0.2 to 22.5 gpg

The softest single sample on record in Columbia County was 3.8 mg/L and the hardest 386 mg/L, a 102-fold gap. The top quarter of sites read above 13.6 gpg and the bottom quarter below 5.7 gpg. So even here some sites draw water soft enough to need nothing at all.

Wells 8.2 gpg, rivers and lakes 5.6 gpg

17 groundwater samples from 15 wells put the median at 141 mg/L. 84 surface samples from 7 sites put it at 95.6 mg/L. In Columbia County the wells come out 2.6 gpg harder. Groundwater sits in contact with rock for years and picks up calcium and magnesium as it goes, so wells usually read harder. 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 180 lb of salt a year (5 bags of 40 lb, about $32), 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 $132 a year.

Sizing at 8.2 gpg

PeopleGrains a dayUnitSalt a year
149224,00060 lb
298424,000120 lb
41,96824,000239 lb
62,95224,000359 lb

Columbia County against the rest of New York

Among the 61 New York counties with data, Columbia County is number 43 of 61 counting from the hardest. Across the whole country it is harder than 44% of counties.

Softest in New York: Suffolk County at 1.6 gpg. Hardest: New York County at 161.1 gpg. Closest to Columbia County: Schuyler County (8.3), Putnam County (8.5), Cattaraugus County (7.9).