Water hardness by zip code in the following chart is collected as a reference source that shows if the water in your area is hard, neutral, or soft.
Zip Code | PPM | GPG | Hardness Level | City | State | Other ZIP codes |
---|---|---|---|---|---|---|
99501 | 63 | 3.68 | Moderately Hard | Anchorage | AK | 99501 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 |
99701 | 142 | 8.3 | Hard | Fairbanks | AK | 99701 99702 99705 99706 99707 99708 99709 99710 99711 99712 99714 99716 99767 99775 99790 72131 47849 71240 55602 |
99801 | 138 | 8.07 | Hard | Juneau | AK | 99801 99802 99803 99811 99812 99821 99824 99850 15767 53039 |
99611 | 124 | 7.25 | Hard | Kenai | AK | 99611 99635 |
99645 | 100 | 5.85 | Moderately Hard | Palmer | AK | 99645 72069 50571 62556 46307 66962 01069 49871 68864 12822 18043 18045 37365 75152 98051 |
99835 | 38 | 2.22 | Slightly Hard | Sitka | AK | 99835 99836 41255 57472 |
99669 | 119 | 6.96 | Moderately Hard | Soldotna | AK | 99669 |
99686 | 65 | 3.8 | Moderately Hard | Valdez | AK | 99686 87580 |
99629 | 120 | 7.02 | Hard | Wasilla | AK | 99629 99652 99654 99687 99694 |
For example, as the table above, Water hardness by zip code of 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 PPM | Grains/Gal | Hardness Level |
---|---|---|
0 – 17.1 | 0 – 1 | Soft |
17.1 – 60 | 1 – 3.5 | Slightly hard |
60 – 120 | 3.5 – 7.0 | Moderately hard |
120 – 180 | 7.0 – 10.5 | Hard |
from 180 | from 10.5 | Very Hard |
Hard Water Solutions
- For limescale deposits: Water Descaler.
- For all hard water problems: Water Softener.
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.

Find Your Water Hardness By Zip Code
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
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.
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.
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.
Need level for 34748
Hi Linda, Thanks for your comment.
Currently, we don’t have a specific water hardness level for your zip code 34748 but some other cities in FL that you can take reference for your area.
Need level for 85350
The average water hardness level in Yuma include the Somerton (85350) area is very hard, it’s about 370 PPM or 21.64 GPG.
So my water softer must be in 21 grains per gallon?
It’s just for your reference purpose only, not 100% accurate, Theresa.
What is water hardness in Broken Arrow, Ok 74012.
Need level for 07060 and 08801
93535
Need hardness level for 78717 and 78641
Wondering what the hardness of water for Denmark township zip code 55033
Hi, could you help me find the water hardness for Dundalk MD, 21222
Nothing but ads ! 😒
I’m here for water hardness of 29455 area code .
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 .
Looking for Folsom, CA 95630
Water hardness for 21784
Please help me find the water hardness level for zip code 30024
Need hardness level for 85710 please.
67554 water hardness
The water hardness is not available for the city of Rockmart, GA. Do you have the info? Can you email it?
Need hardness level for 37686. Thank you!
Hardness level For 99037 thanks
How about for 32174? Thanks!