Hardness is caused by the presence of mainly calcium and magnesium in the water. It is measured in either parts per million or grains per gallon. The City of Kilgore's water contains an average of about 40 parts per million (or about 2.3 grains per gallon) total hardness. This is considered moderately hard water. Hard water is more likely to cause a
soap scum on fixtures.
It requires more soap to lather or foam. Soft water requires much less soap, but does not rinse off as readily. No softening is required for our water.