Water Hardness Atlas ZIP / postcode

Is Alabama tap water hard or soft?

Mostly not. 29 % of the 17 cities with published data in Alabama have hard or very hard water (over 120 mg/L). The median is 4.6 gpg, from 0.4 gpg in Fairhope to 13.4 gpg in Irondale.

We have published hardness data for 17 cities in Alabama. The median is 4.6 gpg; the hardest water is in Irondale (13.4 gpg), the softest in Fairhope (0.4 gpg).

29 % of these cities have hard or very hard water (over 120 mg/L).

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

Cities in Alabama, hardest first

gpgmg/L
Irondale13.4230very hard
Pell City8.7149hard
Pelham8.1140hard
Oxford7.6130hard
Russellville7.3125hard
Birmingham5.798moderately hard
Mountain Brook5.798moderately hard
Vestavia Hills5.798moderately hard
Guntersville4.678moderately hard
Anniston4.476moderately hard
Mobile2.644soft
Northport2.542soft
Montgomery2.441soft
Daphne1.322soft
Foley0.916soft
Ozark0.59soft
Fairhope0.48soft

FAQ

Is Alabama water hard or soft?

Mostly not. 29 % of the 17 cities we cover have hard or very hard water; the median is 4.6 gpg.

Which city in Alabama has the hardest water?

Irondale, at 13.4 gpg, has the hardest water of the 17 cities with published data.

Which city in Alabama has the softest water?

Fairhope, at 0.4 gpg, has the softest water of the 17 cities with published data.

Do I need a water softener in Alabama?

Above about 120 mg/L (7 gpg) scale builds up in water heaters, kettles and dishwashers, and a softener or at least regular descaling pays off. Look up your own city in the table: in Alabama the values range from 0.4 gpg to 13.4 gpg.

On a private well? Well water hardness in Alabama by county →

All cities in the United States →