AWWA ACE62991

This slide presentation outlines information on the International Water Audit Method. Advantages of the method are listed along with the IWA/AWWA Water Balance Format. Four components of managing reallosses are discussed and include: improved response time for leak repair; pressure management; active leakage control; and, improved system maintenance, replacement, and rehabilitation. Four components of managing apparent losses are discussed and include: unauthorized consumption theft and illegal consumption; meter accuracy error, meters do not register actual volumes passing; data transfer errors between meter and archives, poor customer accountability; and, data analysis, errors between archived data and data used for billing/water balance. Guidelines for Setting a Target LevelInfrastructure Leakage Index are given, along with AWWA Water Loss Control Committeerecommendations that include: the IWA methodology for the Water Audit and PerformanceIndicators is recognized as the current best practice methodfor quantitatively monitoring water consumption and waterloss in drinking water systems;water suppliers should make use of the full array ofPerformance Indicators included in the internationalmethodology; the term "Unaccounted-for" Water, having no consistentmeaning, be dropped from use in all industry references; and,the four component approaches to controlling Real Lossesand Apparent Losses be utilized as leading practices toeconomically control these losses. Includes tables.

Product Details

Edition:

Vol. - No.

Published:

06/01/2006

Number of Pages:

24

File Size:

1 file , 2.2 MB