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BMP 3 <br />SYSTEM WATER AUDITS, LEAK DETECTION AND REPAIR <br /> <br />Requirements for Documentinq BMP Implementation <br /> <br /> a) Prescreening audit results and supporting documentation; <br /> <br /> b) Maintain in-house records of audit results or the completed AWWA Audit <br /> Worksheets for each completed audit period. <br /> <br />Criteria to Determine BMP Implementation Status <br /> <br />a) Agency has annually completed a pre-screening distribution system audit. <br /> <br />b) Agency has conducted a full system audit consistent with methods described by <br /> AWWA's "Manual of Water Supply Practices, Water Audits and Leak Detection" <br /> whenever indicated by a pre-screening audit. <br /> <br />Water Savinqs Assumptions <br /> <br />Unaccounted water losses assumed to be no more than 10% of total water into the water <br />supplier's system. <br /> <br />-2- <br /> <br /> <br />