Water Hardness By Zip Code & City Name

This water hardness by zip code data is a reference source that presents if the water in your area is hard, neutral, or soft. There are water hardness data of 9868 Zip codes from 460 Cities of the USA collected.

Zip CodePPMGPGHardness LevelCityStateOther ZIP codes
99501633.68Moderately HardAnchorageAK99501 99502 99503 99504 99505 99506 99507 99508 99509 99510 99511 99513 99514 99515 99516 99517 99518 99519 99520 99521 99522 99523 99524 99529 99530 99540 99599 99695 40223 84015
997011428.3HardFairbanksAK99701 99702 99705 99706 99707 99708 99709 99710 99711 99712 99714 99716 99767 99775 99790 72131 47849 71240 55602
998011388.07HardJuneauAK99801 99802 99803 99811 99812 99821 99824 99850 15767 53039
996111247.25HardKenaiAK99611 99635
996451005.85Moderately HardPalmerAK99645 72069 50571 62556 46307 66962 01069 49871 68864 12822 18043 18045 37365 75152 98051
99835382.22Slightly HardSitkaAK99835 99836 41255 57472
996691196.96Moderately HardSoldotnaAK99669
99686653.8Moderately HardValdezAK99686 87580
996291207.02HardWasillaAK99629 99652 99654 99687 99694

For example, as the table above, Alaska – AK water is considered Moderately Hard. The average water hardness by zip code in Alaska is about 99 PPM or 5.79 GPG.

Water Hardness Levels Classification

Mg/L or PPMGrains/GalHardness Level
0 – 17.10 – 1Soft
17.1 – 601 – 3.5Slightly hard
60 – 1203.5 – 7.0Moderately hard
120 – 1807.0 – 10.5Hard
from 180from 10.5Very Hard
(Source: The U.S. Department of Interior and the Water Quality Association)

Hard Water Solutions

Water Hardness By Zip Code & City Name of the other States.

32% of the cities (about 145 cities or 2730 Zip codes) have Very hard water levels while only 4% (19 cities or 167 Zip codes) have Soft water.

Percentage of US water hardness level by zip code and city name
Percentage of US water hardness level by zip code and city name

Find your water hardness level

Just input your zip code or city name with “water hardness” to find the water hardness level of water in your area.

If you cannot find the water hardness of your area or your zip code please leave your comment, we will check to update it.

Water Hardness FAQs

How do I find out the water hardness in my area?

You can find out if your water is hard or soft by testing it, recognize signs of hard water, or search for water hardness data by city or zip code.

What is the hardness level of my water?

The water hardness by zip code above will tell you your water hardness level, just select your state by click on the state code, input your zip code or city name to short out your water hardness level.

Why I cannot find the water hardness in my area and my zip code is not available here?

The data is not fully collected, so if you cannot find the water hardness of your area or your zip code please leave your comment, we will check to update it. Thank you.

20 thoughts on “Water Hardness By Zip Code & City Name”

  1. After reviewing the Level of Hard water , I am trying to find what the Level of FLUORIDE /Chlorine and Aluminum & other Harmful water chemicals in the 84128 [Salt Lake County /130,000 ] and what I can do about getting a Water Softner system and a Price Quote for one .

    Reply

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