Average Well Water Hardness

Water hardness figures are based on reports from government and private sources.

Average well water hardness.

121 to 180 mg l as hard. Jumping mg l by 17 1 will change it to gpg. In contrast freshwater has hardness in the range of 15 to 375 ppm. We do not guarantee the water hardness figures are 100 accurate.

Formula to measure no of grains to be removed. Grains per gallon is the business standard approach for talking about water hardness. This is actually the legitimate reason why you might want to adjust the water hardness. Let s have a look at the following situation.

The average water hardness in each state is based on the specified cities in that state. What is permissible value for hardness in well water for drinking purpose. If your hard water test strip indicates that your water is between 0 3 gpg your water doesn t require softening. Considered very hard water at 11 15 gpg exhibits all the signs of hard water all the time.

General guidelines for classification of waters are. Beware of companies that tell you that each ppm of iron is equal to 4 5 grains per gallon of hardness. Water between 3 7 gpg is moderately hard causing spotty dishes and dry skin. Typically seawater s hardness is in the area of 6 630 ppm 6 63 grams per litre.

Hard water is packed with minerals at 7 11 gpg and you likely deal with crusty faucets and pipes and possibly reddish rings on your porcelain from excess iron. A grain of water hardness is comparable to 1 7000th of a pound. What is the value of hardness. Now at some point you check the quality of water which you should do every six months for well water.

Lime scale buildup inside a water pipe. The data in this map comes to provide a general outline of water hardness throughout the usa. 61 to 120 mg l as moderately hard. Arizona water hardness by city bullhead city has the hardest water in the state with 619 ppm.

Medium hard 3 7 gpg total grains x 17 1 equals ppm hard 7 10 5 gpg total grains x 17 1 equals ppm extremely hard water 10 5 gpg total grains x 17 1 equals ppm warning. And more than 180 mg l as very hard. This explains why almost every region in arizona has very hard water. Your well supplies your water and because it s hard you use a softener.

Depending on the location and depth of the well the water hardness in these aquifers can range from 200 10 000 ppm. 0 to 60 mg l milligrams per liter as calcium carbonate is classified as soft.