Page 75 - Water Loss Control

Steps and Components of a W ater Loss Contr ol Pr ogram 57

Losses flex with pressure Pressure Economic level of real losses
management

Unavoidable
annual real
losses
Speed and quality Active
of repairs leakage control
Potentially
recoverable real
losses

Pipeline and
asset management
Current annual real losses selection,
installation,
maintenance,
renewal,
replacement

FIGURE 5.3 Four potential intervention tools of an active real loss management program.
(Source: IWA Water Loss Task Force and AWWA Water Loss Control Committee.)

Customer Economic level of apparent
meter losses
inaccuracy

Unavoidable
annual Data transfer errors
Unauthorized apparent losses between meters
consumption and archives; poor
Potentially customer accountability
recoverable apparent
losses

Data analysis
errors between
Current annual apparent losses archived data
and data used
for billing/water
balance

FIGURE 5.4 Four potential intervention tools of an active apparent loss management program.
(Source: IWA Water Loss Task Force and AWWA Water Loss Control Committee.)