Water Hardness Atlas ZIP / postcode

Water hardness in Bluefield

9.2 gpg hard

Tap water in Bluefield is hard: 9.2 gpg (158 mg/L · 8.9 °dH · 15.8 °fH).

<6060–120120–180>180 mg/L

Source: West Virginia American Water, water quality report (Bluefield) (2025) · data checked 2026-10-20

Range across supply zones: 78–158 mg/L.

USGS classes: soft 0–60, moderately hard 61–120, hard 121–180, very hard >180 mg/L.

Water data

Total hardness9.2 gpg
UtilityWest Virginia American Water

How Bluefield compares

Ranking of the hardest and softest water in the United States →

What it means at home

How much salt will you use for softening?

Recommended, especially with a heater or boiler: scale cuts efficiency and shortens its life.

Descale a coffee machine or kettle about every 2 months (typical manufacturer guidance for this hardness).

Estimates for planning, not a quote. Check your appliance manual for exact settings.

Dishwasher setting in Bluefield

BrandSetting for this water
BoschH02
Miele9 °dH
AEG / Electrolux2
Beko3rd
HooverS1
LGH2

From each brand's manual for the model family named in the source; your model may differ, so check its manual. All brands and how to change the setting →

FAQ

Is Bluefield water hard or soft?

It is hard: 158 mg/L as CaCO₃ (9.2 gpg, 8.9 °dH). The usual bands are soft < 60, moderately hard 60–120, hard 120–180 and very hard > 180 mg/L.

Is tap water in Bluefield safe to drink?

Hardness is not a health issue; it is about limescale, taste and appliances. Mains water must meet national drinking-water standards. USGS classes: soft 0–60, moderately hard 61–120, hard 121–180, very hard >180 mg/L.

How many grains per gallon is Bluefield water?

9.2 gpg, equal to 8.9 °dH, 15.8 °fH or 158 mg/L calcium carbonate.

What dishwasher salt setting should I use in Bluefield?

For 158 mg/L (8.9 °dH) check your manufacturer's table: level 4–5.

Do I need a water softener in Bluefield?

Recommended if you have a water heater, boiler or tankless unit: it saves repairs and detergent.

Source

Source: West Virginia American Water, water quality report (Bluefield) (2025). Method: figure published by the water supplier. West Virginia American Water, water quality report (Bluefield) · Outdated figure? Tell us

Nearby cities

Oak Hill7 gpgCharleston4.6 gpgWinston-Salem1 gpgGassaway1.8 gpgHuntington9 gpgBurlington1.6 gpg
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