Page 92 - Water Loss Control

74 Cha pte r S i x

district metered areas. These meters provide the input that goes into the value of water
supplied; which is the first primary component in the water audit. Appreciable error in
source meters and the water supplied value can carry throughout the other components
of the water audit, corrupting the validity of the audit and, therefore, its usefulness.
Verifying the working condition of source meters is
the recommended first field activity to take when
Verifying the working condi-
launching the water audit process. This can require
tion of source meters is the some investment if meters must be installed or
recommended first field activ- replaced; however the credibility and effectiveness
ity to take when launching the of the water audit—and the water utility’s water
water audit process. accountability—relies heavily upon validated
source meter data.

References

1. American Water Works Association. Water Audits and Loss Control Programs. Manual
of Water Supply Practices M36 3d ed. Denver, Colo. : AWWA, 2008.
2. American Water Works Association. Flowmeters in Water Supply. Manual of Water
Supply Practices M33. AWWA, 2006.