Alan Cook from Bristol Water provides some top tips on water saving and explains how the Zoo has saved thousands of pounds after monitoring and managing their water more efficiently.

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Water Efficiency in Buildings
Go Green – Bristol Zoo
29th April 2015
“Top tips for Businesses”

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Why does Bristol Water
do Water Efficiency ?
OFWAT - Since the beginning of AMP5, all water companies
have been tasked to work with our customers to reduce their
water consumption
Engagement
Education
Water Audits
Technical Advice

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Why does Bristol Water
do Water Efficiency ?
Abstraction
• Fresh water resource
availability
• Reduction in investment
of new sources
• Reduction in energy
costs (pumps)
• Water Quality issues
Treatment
Investment in new
treatment regimes
Chemical treatment

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Why does Bristol Water
do Water Efficiency ?
Distribution
• Pressure control,
through demand
management
• Reduced burst
frequency
• Pumping costs
• Reduction in overall
demand on the network
Customers
• Cost reduction
• Energy savings
• Carbon footprint
reduction

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Working in Partnership
Comprehensive water
audit
Technical advice
Leakage detection
assistance
Consumption analysis
Free water saving
equipment

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Consumption pattern
analysis
0
10
20
30
40
50
60
70
Consumptionm3
07-661913 Bristol Zoo , Clifton Pavillions

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Bristol Zoo – Main meter

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Bristol Zoo - Savings
Consumption April 2013-
2014 was 30,010 cubic
meters
Consumption April 2014-
2015 was 27,384 cubic
meters
Saving of 2626 cubic
metres or over two and
half a million litres
Nearly £9,000 saving on
one metered supply

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Water audit tips
• How much water are you using?
• Where is it being used?
• Are there any leaks on the system?, is water
being wasted?
• Are there fittings running all the time
• Water efficient technology, can be low cost
• Read your meter!!!

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Water audit tips
Example
Consumption 5.3 million
litres per year
Water efficiency work,
reducing volume of the
W.C cisterns (1 hour)
Overnight savings of
29%, 1.6 million litres or
£4,700 per year

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Thank you
Alan Cook, Bristol Water
Water Efficiency Delivery Manager