8.40.030 Amendments.
The Rules and Regulations of the State Board of Health regarding public water systems are amended and changed in the following respects:
A. WAC 248-54-740(4)(a)(v) is amended as follows:
1. For Class IV systems, the number of routine samples shall be a minimum of one (1) per calendar quarter. Upon compliance with the maximum contaminant levels for four (4) consecutive sampling quarters, sampling frequency may be reduced to one (1) per annum.
B. WAC 248-54-740 (9)(a) is amended as follows:
1. Monitoring of secondary contaminants by Class I and II systems shall be at the same frequency as required for inorganic chemicals. Class III and IV systems shall monitor the following secondary contaminants prior to system approval: color, iron, and manganese. Other secondary contaminants shall be monitored as required by the department.
C. WAC 248-54-810 is amended as follows:
1. The department or Health Officer, as determined by the joint plan of operation developed in accordance with WAC 248-54-570, shall conduct a sanitary survey of all public water systems at intervals necessary to assure the availability of a safe and potable water supply to all consumers of the water delivered by the public water system. A sanitary survey shall be performed at least once every five (5) years.