The impact of Non-revenue Water and The Effort to Address The NRW Problems

Leakage

Overflow from reservoir

Water theft

Un-billed Authorized Usage

Un-billed un-authorized usage

Apparent Losses

2 Main Components

A. Physical Losses(Real Losses) Leakage from transmissions & distribution mains

Leakage & overflows from reservoir

Leakage on service connection

B. Commercial losses(Apparent Losses) Customer meter inaccuracy

Unauthorised consumption

Meter reading errors

Data handling & accounting errors

A.The impact of NRW on water supply services

B.The impact of NRW on Environment

A.Comprehensive Leakage Repair

B.Replacement of Production Meters

C.District Metering Zones(DMZ) / Water Pressure Control- (refer picture on next slide)

D.Replacement of Dilapidated Pipe

C. District Metering Zones(DMZ) / Water Pressure Control

A.

B.

Water supply service level nationwide could be enhanced

2014, the national NRW level is 35.6%. Table referred from SPAN

Effective ways in handling the NRW problems nationwide is through holistic approaches

In addition, focus shall be given on complains (Customer Service Centre) and also provision on special training to the NRW officials