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will require potash, caustic soda or lime to be added to the water to raise its pH, Mr. Fisher said.
He said that the system also needs a new chlorination system which can more precisely monitor the chlorine content. In the past, liquid chlorine was added through a metered feed pump. But, he said, that produced a concentration too high during periods of low use, and not enough chlorination when the use of the system was high.
Now, that pump has broken and the system is being chlorinated by hand, he added. The Virginia Department of Health cited the system for a violation during its inspection in August, Mr. Fisher said. He said that he told the inspector that the pump had not been reSee
WATER, p. 20
86.9%