Water Hardness Chart Ppm
Moderately hard 60 120 ppm.
Water hardness chart ppm. If you would like to know your current water properties bring it in to us for testing. These are for general reference only. A grain of water hardness is comparable to 1 7000th of a pound. Work out 180 17 1 10 526.
Formula to measure no of grains to be removed. The result is the water hardness expressed in grains per gallon. Very hard 180 or more ppm. Divide by conversion factor.
Slightly hard 17 1 60 ppm. Divide the ppm hardness value by 17 1 the conversion factor for ppm to gpg. 361 463. Local saskatchewan community water hardness values.
No of persons 75 gallons no of gpg mg lit iron total grains to be removed per day. Water hardness conversion table ppm mmol l mg l french degrees german degrees grains per gallon degrees clark 1 is 0 0099 1 0 1 0 056 0 058 0 07 10 is 0 099 10 1 0 56 0 58 0 7 14 3 is 0 142 14 3 1 43 0 8 0 84 1 17 1 is 0 169 17 1 1 71 0 96 1 1 2 17 8 is 0 176 17 8 1 78 1 1 04 1 25. The average water hardness in each state is based on the specified cities in that state. The water hardness level in the table below is counted by parts per million ppm the water hardness levels are classified as below.
Canada alberta british columbia manitoba newfoundland new brunswick nova scotia ontario quebec saskatchewan pei city name province hardness mg l hardness grains gallon source. We do not guarantee the water hardness figures are 100 accurate. Footnote 12 footnote 13 in a recent survey of 525 municipalities throughout canada only 17 cities had drinking water hardness levels above 500 mg l. Treated or softened water 0 1 gpg total grains x 17 1 equals ppm slightly hard 1 2 gpg total grains x 17 1 equals 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.
Moderately hard water has between 75 150 ppm of minerals dissolved in it. Water hardness figures are based on reports from government and private sources. Water hardness level by city ontario. Moderately hard water is still safe to drink but it may leave behind a slightly unpleasant taste.
The hardness of groundwater supplies was higher and levels ranged from 40 to 1300 mg l with an average of 294 mg l. 0 17 1 ppm. The data in this map comes to provide a general outline of water hardness throughout the usa. Hard 120 180 ppm.
In ontario the hardness of drinking water from surface sources ranged from 3 7 to 296 mg l with an average of 95 mg l. The numbers below are provided by saskh2o. If hardness is in mg l or ppm convert it into gpg by dividing it with 17 1. This water will clean with some efficiency but may leave light yellow spots on laundry or a thin white or oily film on hard surfaces after using it with a cleaning solution.