Average Well Water Hardness

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

Average well water hardness.

61 to 120 mg l as moderately hard. General guidelines for classification of waters are. Typically seawater s hardness is in the area of 6 630 ppm 6 63 grams per litre. 60 100 ppm is the currently acceptable hardness level for drinking water in us and canada.

121 to 180 mg l as hard. Depending on the location and depth of the well the water hardness in these aquifers can range from 200 10 000 ppm. Water between 3 7 gpg is moderately hard causing spotty dishes and dry skin. 0 to 60 mg l milligrams per liter as calcium carbonate is classified as soft.

The data in this map comes to provide a general outline of water hardness throughout the usa. Beware of companies that tell you that each ppm of iron is equal to 4 5 grains per gallon of hardness. Now at some point you check the quality of water which you should do every six months for well water. What is permissible value for hardness in well water for drinking purpose.

Considered very hard water at 11 15 gpg exhibits all the signs of hard water all the time. 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. Water hardness map of the united states water hardness table of classifications and links to more information about water softening and effects. This explains why almost every region in arizona has very hard water.

Jumping mg l by 17 1 will change it to gpg. Let s have a look at the following situation. 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.

Lime scale buildup inside a water pipe. This is actually the legitimate reason why you might want to adjust the water hardness. Formula to measure no of grains to be removed. A grain of water hardness is comparable to 1 7000th of a pound.

What is the value of hardness. Grains per gallon is the business standard approach for talking about water hardness. If hardness is in mg l or ppm convert it into gpg by dividing it with 17 1. In contrast freshwater has hardness in the range of 15 to 375 ppm.

If your hard water test strip indicates that your water is between 0 3 gpg your water doesn t require softening. The average water hardness in each state is based on the specified cities in that state.