Water hardness is a measure of the amount of calcium and magnesium ions present in drinking water. Surface waters are typically considered soft - they have low concentrations of calcium and magnesium. Ground waters, such as ours, are hard because the water flows through soil and rock which contain hardness components. The effects of hardness are normally seen when using soaps and detergents which dissolve and foam more easily in soft water than in hard water.
Some appliances, such as dishwashers, can be adjusted based on water hardness. Our water is considered moderatly hard. We have two water sources with different hardness characteristics so the hardness of the water in the distribution system can vary depending on which source is in use and how the two source waters are mixed. Generally speaking our water ranges in hardness from 50 milligrams per Liter (mg/L) to 100 mg/L which is equivalent to 8.75 to 17.5 grains.
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