(1) Municipal water suppliers shall develop an annual water use efficiency performance report and must:

(a) Send the water use efficiency performance reports to the department and the consumers by July 1st of each year for the previous year and make them available to the public;

(b) For systems serving one thousand or more total connections, develop the first water use efficiency performance report by July 1, 2008;

(c) For systems serving less than one thousand total connections, develop the first water use efficiency performance report by July 1, 2009; and

(d) Municipal water suppliers shall submit performance reports in a manner specified by the department.

(2) Water use efficiency performance reports shall include:

(a) Total annual production. Systems with multiple sources may provide aggregate data;

(b) Annual water distribution system leakage totals in accordance with WAC 246-290-820;

(c) A description of the system's water use efficiency goals set in accordance with WAC 246-290-830;

(d) A schedule for achieving the goals;

(e) A narrative description of progress toward achieving the goals; and

(f) Report the status of meter installation and all actions taken to minimize leakage.