Water Hardness Atlas ZIP / postcode

Water hardness in Gassaway

1.8 gpg soft

Tap water in Gassaway is soft: 1.8 gpg (30 mg/L · 1.7 °dH · 3 °fH).

<6060–120120–180>180 mg/L

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

Range across supply zones: 28–30 mg/L.

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

Water data

Total hardness1.8 gpg
UtilityWest Virginia American Water

How Gassaway 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?

No. Water this soft does not need softening.

Descale a coffee machine or kettle about every 6 months (typical manufacturer guidance for this hardness).

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

Dishwasher setting in Gassaway

BrandSetting for this water
BoschH00
Miele2 °dH
AEG / Electrolux1
Beko1st
HooverS0
LGH0

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 Gassaway water hard or soft?

It is soft: 30 mg/L as CaCO₃ (1.8 gpg, 1.7 °dH). The usual bands are soft < 60, moderately hard 60–120, hard 120–180 and very hard > 180 mg/L.

Is tap water in Gassaway 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 Gassaway water?

1.8 gpg, equal to 1.7 °dH, 3 °fH or 30 mg/L calcium carbonate.

What dishwasher salt setting should I use in Gassaway?

For 30 mg/L (1.7 °dH) check your manufacturer's table: level 0–1, usually no salt.

Do I need a water softener in Gassaway?

No. With soft water a softener adds nothing.

Source

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 West Virginia American Water, water quality report (Gassaway) · Outdated figure?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

Nearby cities

Weston3.2 gpgCharleston4.6 gpgOak Hill7 gpgHuntington9 gpgBluefield9.2 gpgUniontown4.7 gpg
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