Sec. 503.7. Flushing

Latest version.

(a) Flushing.
Each water corporation will have a properly engineered written flushing program and, upon staff's request, will submit the details of that program to staff for its review and approval. Each water corporation should flush its transmission and distribution system a minimum of once a year, except where it can be demonstrated that a particular system or portion thereof does not require flushing. This program shall be implemented no later than two years after the effective date of these standards.
(b) Monitoring requirements.
Each water corporation shall maintain a record of the date, time and duration of each flushing sequence.

                    
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