Water Hardness Atlas ZIP / postcode

Water hardness in Russellville

7.3 gpg hard

Tap water in Russellville is hard: 7.3 gpg (125 mg/L · 7 °dH · 12.5 °fH).

<6060–120120–180>180 mg/L

Source: Alabama Drinking Water Watch, chemical sample results, system AL0000610 (2026-06) · data checked 2026-10-19

Range across supply zones: 121–163 mg/L.

The figure is for the Russellville Water Works and Sewer Board, from Alabama's Drinking Water Watch portal. The median of 5 samples from 2023 to 2026 is 125 mg/L as CaCO3 (7.3 gpg), with a range of 121.2 to 163.4 mg/L. That is hard water. Expect visible scale on kettles and shower screens.

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

Water data

Total hardness7.3 gpg
UtilityRussellville Water Works And Sewer Board

How Russellville 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 Russellville

BrandSetting for this water
BoschH01
Miele7 °dH
AEG / Electrolux2
Beko2nd
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 Russellville water hard or soft?

It is hard: 125 mg/L as CaCO₃ (7.3 gpg, 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 Russellville 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 Russellville water?

7.3 gpg, equal to 7 °dH, 12.5 °fH or 125 mg/L calcium carbonate.

What dishwasher salt setting should I use in Russellville?

For 125 mg/L (7 °dH) check your manufacturer's table: level 4–5.

Do I need a water softener in Russellville?

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

Source

Source: Alabama Drinking Water Watch, chemical sample results, system AL0000610 (2026-06). Method: own measurement. Alabama Drinking Water Watch, chemical sample results, system AL0000610 · Outdated figure? Tell us

Nearby cities

Birmingham5.7 gpgSpring Hill7.2 gpgFranklin9.8 gpgSmyrna3.8 gpgBartlett2.3 gpgMemphis2.8 gpg
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