Types of Water Examinations Required.
Section 11
SEC. 11. Types of Water Examinations Required.—The following examinations are required for drinking water: Initial examination.—The physical, chemical and bacteriological examinations of water from newly constructed systems or sources are required be fore they are operated and opened for public use. Examination of water for possible radioactive contamination should also be done initially. Periodic examination.—Water from existing sources is subject to bacteriological examination as of ten as possible but the interval shall not be longer than six months, while general systematic chemical examination shall be conducted every 12 months or oftener. Examination of water sources shall be conducted yearly for possible radioactive contamination.