Average Well Water Hardness

General guidelines for classification of waters are.

Average well water hardness.

121 to 180 mg l as hard. Jumping mg l by 17 1 will change it to gpg. And more than 180 mg l as very hard. The average water hardness in each state is based on the specified cities in that state.

If your hard water test strip indicates that your water is between 0 3 gpg your water doesn t require softening. 61 to 120 mg l as moderately hard. Formula to measure no of grains to be removed. A grain of water hardness is comparable to 1 7000th of a pound.

Now at some point you check the quality of water which you should do every six months for well water. 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. 60 100 ppm is the currently acceptable hardness level for drinking water in us and canada.

Water hardness figures are based on reports from government and private sources. We do not guarantee the water hardness figures are 100 accurate. In contrast freshwater has hardness in the range of 15 to 375 ppm. Let s have a look at the following situation.

Considered very hard water at 11 15 gpg exhibits all the signs of hard water all the time. Depending on the location and depth of the well the water hardness in these aquifers can range from 200 10 000 ppm. Beware of companies that tell you that each ppm of iron is equal to 4 5 grains per gallon of hardness. What is the value of hardness.

Lime scale buildup inside a water pipe. Water hardness map of the united states water hardness table of classifications and links to more information about water softening and effects. 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. If hardness is in mg l or ppm convert it into gpg by dividing it with 17 1.

Grains per gallon is the business standard approach for talking about water hardness. Water between 3 7 gpg is moderately hard causing spotty dishes and dry skin. Arizona water hardness by city bullhead city has the hardest water in the state with 619 ppm. This is actually the legitimate reason why you might want to adjust the water hardness.

What is permissible value for hardness in well water for drinking purpose. The data in this map comes to provide a general outline of water hardness throughout the usa.