How hard is the water in Cameron County, PA?

1.4 grains per gallon

You do not need a softener here.

The median hardness measured in Cameron County, PA is 25 mg/L as calcium carbonate, which is 1.4 gpg. That is soft on the USGS scale. It comes from 826 samples at 28 sites between 1991 and 2025, drawn from every sampling site in the county, wells and surface water together.

How much it varies here

Half the sites came in between 1.2 and 2 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

You can skip the softener. At 1.4 gpg the most a softener would fix is the odd water spot. If a salesperson in Cameron County says otherwise, ask to see their reading in grains per gallon and compare it with this one.

More on when a softener is not worth it.

From 0.8 to 7.4 gpg

The softest single sample on record in Cameron County was 14 mg/L and the hardest 126 mg/L, a 9-fold gap. The top quarter of sites read above 2 gpg and the bottom quarter below 1.2 gpg.

Wells 4.5 gpg, rivers and lakes 1.4 gpg

4 groundwater samples from 2 wells put the median at 77.7 mg/L. 822 surface samples from 26 sites put it at 23.5 mg/L. In Cameron County the wells come out 3.1 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.

Cameron County against the rest of Pennsylvania

Among the 67 Pennsylvania counties with data, Cameron County is the softest. Across the whole country it is harder than 12% of counties.

Hardest: Clarion County at 68.2 gpg. Closest to Cameron County: Warren County (2.1), Elk County (2.3), Forest County (2.3).