This document discusses water loss management strategies and challenges. It provides the following key points: 1) The World Bank estimates annual physical water losses in developing countries at 32 billion cubic meters, costing $3 billion. Reducing losses by half could supply 90 million more people. 2) Common challenges for utilities include not knowing the extent and location of leaks, integrating data from multiple sources, and prioritizing leak detection and repair activities. 3) A successful water loss management program follows a lifecycle approach including monitoring, detection, intervention, performance measurement, planning and investment. Key steps involve identifying leaks, prioritizing zones for repair, supervising repair work, and ongoing monitoring of network performance.

1. Internal
Sustainable Practices in Water Loss Management
- For Improved Visibility and Reduced NRW
Confidential Property of Schneider Electric
Keshvinder Singh, Schneider Electric

2. Internal
Problem Dimension
32 Billion m3/Year The World Bank estimates the physical water losses at 32 billion cubic meters each year, half of
which occurs in developing countries.
45 Million m3/Day
The World Bank estimates daily physical water losses in developing countries around 45 million
cubic meters per day.
3 $Billion/Year
The World Bank estimates yearly water losses in developing countries around 3 $Billion.
90 Million People
According to the World Bank, if the water losses in developing countries could be halved, the
saved water would be enough to supply around 90 million people.
39 $Billion/Year
5-10 Billion Kwh
Total cost to water utilities caused by water loss worldwide can be conservatively estimated at
$39 billion per year, with a third of it occurring in the developing world. (IWA, 2019)
Between 5 and 10 billion kWh of power generated in the USA is expended in water that is either
leaked or not paid for by customers. (AWWA - American Water Works Association, 2009)

3. Internal
Page 3
Confidential Property of Schneider Electric |
Situation in Asia Pacific
• Asia loses 29 billion m3 of treated water every year, valued at USD 9 billion annually (ADB 2019)
• In Jakarta, 39% of the city’s water is wasted as leaks and thefts while 40% of the residents have no piped water
(ADB 2019)
• New Delhi with 50% water loss experiences long cuts during summer as the city’s water demand rises (ADB
2019).

4. Internal
Page 4
Confidential Property of Schneider Electric |
NRW Challenges
• What is my NRW? Where is it leaking?
• How do I calculate my leaks? How do I report it?
• Is it really leaking or my data quality is questionable?
• I have multiple data sources, which is the version of truth?
• It’s error prone and tedious to gather info from so many sources
• How do I integrate multiple sources into an unified solution?
• Where do I target my ALC activities first?
• How do I monitor the ALC activities?
• Have my zones improved post ALC?
• How do I ensure the leak in my zones stay low post ALC?

5. Internal
Page 5
Confidential Property of Schneider Electric |
Monitoring
Detection
Intervention
Performance
measurement
Planning
Investment
CAPEX
cycle
OPEX
cycle
Water Loss Management Lifecycle – a step wise approach

6. Internal
Page 6
Confidential Property of Schneider Electric |
1) Preliminary Identification of Leaks &
Confirmation
Steps:
a) Monitor leakage maps
b) Quickly identify zones with high leakage levels (red
zones)
c) Review the data quality and algorithm results
• Billing data
• Inflow(s)
• Outflow(s)
• Top-Down calculations
• Bottom-Up calculations
• Operability
• Alarms
Monitoring
Detection
Intervention
Performance
measurement
Planning
Investment
CAPEX
cycle
OPEX cycle

7. Internal
Page 7
Confidential Property of Schneider Electric |
2) Prioritization for ALC
Steps:
a) Survey the trends of zones of interest
b) Determine the entry and exit level for detection
c) Prioritize zones for ALC activities based on criteria’s:
a) Highest leakage levels
b) Zones with critical customer
c) Economic and technical factors
d) Leak inspectors' availability
e) Are there many unrepaired leaks?
d) Provide a work pack to technicians showing:
a) Zones to focus and activities to be done
b) Map
c) Feedback form to capture outcomes of ALC
activities
Monitoring
Detection
Intervention
Performance
measurement
Planning
Investment
CAPEX
cycle
OPEX cycle

8. Internal
Page 8
Confidential Property of Schneider Electric |
3) Issuing work order
Steps:
a) Issue work orders to repair leaks detected during ALC
b) Integrated with utility’s CMMS
c) See all outstanding leaks including historic ones
d) Provide all relevant information to the contractors
a) Leak location details
b) Type of leaks
Monitoring
Detection
Intervention
Performance
measurement
Planning
Investment
CAPEX
cycle
OPEX cycle

9. Internal
Page 9
Confidential Property of Schneider Electric |
4a) Supervise ALC activities
Steps:
a) Monitor the progress of ALC activities in prioritized zones
b) Hours spent on each zone
c) Ensure all activities are carried out as planned
d) Track the outcome of the activities
Monitoring
Detection
Intervention
Performance
measurement
Planning
Investment
CAPEX
cycle
OPEX cycle

10. Internal
Page 10
Confidential Property of Schneider Electric |
4b) Supervise Leak Repair Jobs
Steps:
a) Monitor current open jobs
b) Early detection of delays and deviations from
initial job completion date
c) Prepare contingency plans
d) Ensure leaks are repaired in stipulated time
Monitoring
Detection
Intervention
Performance
measurement
Planning
Investment
CAPEX
cycle
OPEX cycle

11. Internal
Page 11
Confidential Property of Schneider Electric |
5) Review zone behavior
Steps:
a) Monitor the zones performance after leaks
have been repaired
b) Check that leakage has reduced as expected
Monitoring
Detection
Intervention
Performance
measurement
Planning
Investment
CAPEX
cycle
OPEX cycle

12. Internal
Page 12
Confidential Property of Schneider Electric |
6) Plan New Pressure Management Zones
Steps:
a) Plan new zones to better monitor leakage levels
b) Monitor the pressures for zero pressure test and
step test
c) Track the benefit of pressure reduction in these
areas before and after pressure management
Monitoring
Detection
Intervention
Performance
measurement
Planning
Investment
CAPEX
cycle
OPEX cycle

13. Internal
Page 13
Confidential Property of Schneider Electric |
7) And a Business Intelligence Dashboard
Steps:
a) Drag and drop widgets displaying KPI’s
• Leakage hotspots map
• Water balance tables
• Leakage indexes (per km, per connection,
ILI, %, etc)
• Leaks raised, repaired
• Many more
b) View KPI’s at a glance for individual zones,
hierarchical area, district and whole company
c) Ensure the network is performing at optimum level
Monitoring
Detection
Intervention
Performance
measurement
Planning
Investment
CAPEX
cycle
OPEX cycle

14. Internal
Page 14
Confidential Property of Schneider Electric |
• Guarantees the achievement of long-term sustainable leakage levels.
• Single version of truth.
• Faster leaks and events detection.
• Faster and automated water balance calculation reporting.
• Integrated solution built on existing data and IT for sharing information across the entire organization.
Benefits:
• Water loss is causing water companies to:
– Reduce the available water for already connected customers (water rationing)
– Increase the tariff as expenditure costs increase
– Construct new water treatment plants which require huge capital investments
• Compromising the financial viability of the organization thus reducing the capital available to
connect new customers at affordable costs
• Water loss is a low hanging fruit to improve water companies' operations

15. Internal
Page 15
Confidential Property of Schneider Electric |
Anglian Water – A case study
• Anglian Water Services is
the largest water and
wastewater company in
UK covering 16,000 km2
• Serves 6 millions
population (2 millions
connections)
• Supplies ~1,100 MLD of
water
• Manages ~38,000 km of
water mains divided into
~1900 DMAs

16. Internal
Page 16
Confidential Property of Schneider Electric |
Anglian Water – The Challenges
28% of the region is
below sea level
as a low-lying region
there is a high use of energy to
pump water around the region
Demand for water will
rise but available water won’t
Climate change depleting
water source
• Lincoln
• Norwich
• Peterborough
• Colchester
• Milton Keynes
• Northampton
• Ipswich
• Grantham
Population is expected to
rise – around 1m homes to be
built in the next 25 years
it is the driest
region in the UK
Old Infrastrucure
Strict Ofwat regulations.
Leakage target of 15% by 2025
Replace current method of
spreadsheets into more robust way
of analyzing leak

17. Internal
Page 17
Confidential Property of Schneider Electric |
Leakage management at Anglian Water
• Leakage (estimated) at 30% /
300 Ml/d
• No District Management Areas
(DMA) - unable to pinpoint
leakage
• No fixed funding for leakage
control
• No formal training for leakage
detection
1989 2014 2025 (Target)
• Leakage al 17,5% - 193 Ml/d, <5
m3/km/d (#1 in UK)
• Around 1.900 DMAs
• 20 M£/year budget for finding and
fixing leaks
• Over 100 leak detection technicians
and 45 leak repair teams
• Limited active pressure
management (with PRV)
• Leakage reduction at 172 Ml/d
• 10% increase in leak detection
and repair productivity
• Better understanding of leak
causes and forecasting
• Advanced real time pressure
management

18. Internal
Page 18
Confidential Property of Schneider Electric |
System Requirements
• Leakage calculation in DMAs and transmission lines
• Supervision of domestic consumption
• Leakage detection management (prioritization, planning and
monitoring)
• Repair management (work order issuing, repair monitoring)
• Dynamic dashboard and regulatory reporting
• Integration with 30 corporate systems, including:
– Telemetry
– SCADA
– GIS
– Asset Management
– Work Order Management
– Billing
– SAP

19. Internal
Page 19
Confidential Property of Schneider Electric |
Use Cases
• Quicker leaks and events detection and improved response
times (estimated at 10%)
• Reduction of 10 MLD leakage in the first year
• Reduction of costs of outsourced leak detection (estimated at
5%)
• 90%-time reduction to check leakage calculation, identify flow
meter faults and planning leak survey deployment
• No more import/export of spreadsheets for leak analysis
• A new, integrated solution sharing information across the
entire organization:
– 30 interfaces to a number of corporate systems, processing >1
billion data points
– 150 users belonging to different business areas of Anglian
Water’s organization
– Integrated with GIS, visualization of pipes and showing existing
leaks on GIS

20. Internal
Page 20
Confidential Property of Schneider Electric |
• “No one else is using technology as advanced as
this.”
- Matthew Vanstone, Leakage Analyst, Anglian Water
• “The way we have worked collaboratively with
Schneider Electric has been fantastic and a great
example of what a truly integrated team can
achieve.”
- Matt Walker, Strategic Programme Manager, Anglian Water
• “Anglian Water scoops double international award
for its work on innovation and leakage”
- IWA 2018, Tokyo, Japan
• The ILPM was nominated for the “UK Water Industry
Achievement Awards 2017” in the category “Data
Project of the Year”
Recognitions

21. Internal
Page 21
Confidential Property of Schneider Electric |
“Anglian Water’s implementation of an Integrated Leakage and Pressure Management (ILPM)
solution was an integral component to our response to the ‘Beast from the East’ [storm] and ensured
that we continued to outperform on our leakage targets. By centralising data collection in one place,
Anglian Water now has better visibility of network performance, resulting in greater efficiency with
less time spent processing data.”
- David Jacobs, Leakage Manager at Anglian Water.
Thank You