How hard is the water in Pasquotank County, NC?
7.2 grains per gallon
A softener is worth it here.
The median hardness measured in Pasquotank County, NC is 123 mg/L as calcium carbonate, which is 7.2 gpg. That is hard on the USGS scale. It comes from 17 samples at 8 sites between 1990 and 2025, 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 3.5 and 11 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 7.2 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 Pasquotank 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 0.8 to 22.7 gpg
The softest single sample on record in Pasquotank County was 13.2 mg/L and the hardest 389 mg/L, a 29-fold gap. The top quarter of sites read above 11 gpg and the bottom quarter below 3.5 gpg. So even here some sites draw water soft enough to need nothing at all.
Wells 7.2 gpg, rivers and lakes 16.3 gpg
17 groundwater samples from 8 wells put the median at 122.5 mg/L. 96 surface samples from 7 sites put it at 279.5 mg/L. In Pasquotank County the rivers and lakes come out 9.1 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 24,000-grain unit covers a week between regenerations. Expect about 156 lb of salt a year (4 bags of 40 lb, about $28), 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 $128 a year.
Sizing at 7.2 gpg
| People | Grains a day | Unit | Salt a year |
|---|---|---|---|
| 1 | 432 | 24,000 | 53 lb |
| 2 | 864 | 24,000 | 105 lb |
| 4 | 1,728 | 24,000 | 210 lb |
| 6 | 2,592 | 24,000 | 315 lb |
Pasquotank County against the rest of North Carolina
Among the 99 North Carolina counties with data, Pasquotank County is number 14 of 99 counting from the hardest. Across the whole country it is harder than 40% of counties.
Softest in North Carolina: Bertie County at 0.3 gpg. Hardest: Dare County at 63.7 gpg. Closest to Pasquotank County: Jones County (7.8), Harnett County (6.3), Lee County (6.2).