How hard is the water in Torrance County, NM?
12.8 grains per gallon
A softener will pay its way here.
The median hardness measured in Torrance County, NM is 220 mg/L as calcium carbonate, which is 12.8 gpg. That is very hard on the USGS scale. It comes from 6 samples at 6 sites between 1994 and 1994, drawn from every sampling site in the county, wells and surface water together.
How much it varies here
Half the sites came in between 11.4 and 13.6 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: medium (how it is measured).
What to do next
At 12.8 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 10.7 to 13.9 gpg
The softest single sample on record in Torrance County was 184 mg/L and the hardest 238 mg/L, a 1-fold gap. The top quarter of sites read above 13.6 gpg and the bottom quarter below 11.4 gpg.
Wells 10.9 gpg, rivers and lakes 13.5 gpg
2 groundwater samples from 2 wells put the median at 187 mg/L. 4 surface samples from 4 sites put it at 230.5 mg/L. In Torrance County the rivers and lakes come out 2.6 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 280 lb of salt a year (8 bags of 40 lb, about $50), 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 $150 a year.
Sizing at 12.8 gpg
| People | Grains a day | Unit | Salt a year |
|---|---|---|---|
| 1 | 768 | 24,000 | 93 lb |
| 2 | 1,536 | 24,000 | 187 lb |
| 4 | 3,072 | 24,000 | 374 lb |
| 6 | 4,608 | 40,000 | 561 lb |
Torrance County against the rest of New Mexico
Among the 33 New Mexico counties with data, Torrance County is number 19 of 33 counting from the hardest. Across the whole country it is harder than 61% of counties.
Softest in New Mexico: Rio Arriba County at 2.3 gpg. Hardest: Chaves County at 116.2 gpg. Closest to Torrance County: Colfax County (12.8), Mora County (13.9), Roosevelt County (14).