Water Hardness Atlas ZIP / postcode

Is Kansas tap water hard or soft?

Yes, mostly. 76 % of the 17 cities with published data in Kansas have hard or very hard water (over 120 mg/L). The median is 8.4 gpg, from 4.4 gpg in Emporia to 35.3 gpg in Dodge City.

We have published hardness data for 17 cities in Kansas. The median is 8.4 gpg; the hardest water is in Dodge City (35.3 gpg), the softest in Emporia (4.4 gpg).

76 % 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.

Each dot is a place with published data; colour shows the hardness band.

Cities in Kansas, hardest first

gpgmg/L
Dodge City35.3605very hard
Great Bend22.5385very hard
Atchison16.4280very hard
Kansas City16.4280very hard
Haysville12.3210very hard
Olathe10.5180very hard
Topeka9154hard
Bel Aire8.8150hard
Leawood8.4144hard
Lenexa7.9135hard
Merriam7.9135hard
Overland Park7.9135hard
Winfield7120hard
Parsons5.8100moderately hard
Manhattan5.797moderately hard
Arkansas City5.390moderately hard
Emporia4.476moderately hard

FAQ

Is Kansas water hard or soft?

Yes, mostly. 76 % of the 17 cities we cover have hard or very hard water; the median is 8.4 gpg.

Which city in Kansas has the hardest water?

Dodge City, at 35.3 gpg, has the hardest water of the 17 cities with published data.

Which city in Kansas has the softest water?

Emporia, at 4.4 gpg, has the softest water of the 17 cities with published data.

Do I need a water softener in Kansas?

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 Kansas the values range from 4.4 gpg to 35.3 gpg.

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

All cities in the United States →