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pH and Chlorine values for good water quality. pH. The pH is a measure of the acidity of the water. The pH scale goes from 0 to 14, where pH 7 is neutral. If the pH is above 7, the water is basic; if it is below 7 the water is acid. The optimum pH for pool water is 7.4, since this is the same as the pH in human eyes and mucous membranes. A pH of 7.4 also gives good chlorine disinfection.
treatment facility poses a serious hazard to worker and public health. Chronic (Long-Term) Health Effects Å The lungs are the primary organs effected by chronic chlorine exposure. Repeated exposure to chlorine may result in bronchitis or pneumonia. Å No information is available on the carcinogenic or teratogenic (reproductive) effects of chlorine on