Eurobodalla Integrated Water Cycle Management Strategy

Eurobodalla Integrated Water Cycle Management Strategy
Table 8-7 Triple Bottom Line Assessment for the Regional Rainwater Tanks
Opportunities
ENVIRONMENTAL
Ensures the efficient use of the
fresh water resource
Minimises water extractions and
protects low flows
Minimises greenhouse gas
emissions
Minimises pollutants being
discharged to the aquatic
environment
Minimises urban stormwater
volumes
10 kL RWTs in all
new
developments
10 kL RWTs in all
new
developments
plus 20%
existing houses
10 kL RWTs in all
new
developments
plus 40%
existing house
1 2 3
1 2 3
2 2 2
2 2 2
1 2 3
Ensures sustainable practices 1 2 3
Environmental Sum 8 12 16
Environmental Rank 3 2 1
SOCIAL
Improves security of town water
supply
Improves the quality of drinking
water
3 3 3
0 0 0
Improves urban water service levels 2 2 2
Increases public awareness of
urban water issues
Minimises non-compliance to
legislation
2 3 3
2 2 2
Protects public health 0 0 0
Social Sum 9 10 10
Social Rank 3 1 1
FINANCIAL (Community Costs)
NPV ($m over 30 years) 4.86 6.93 9.00
Financial Rank 1 2 3
TBL Sum 7 5 5
TBL Rank 3 1 1
Technically Council will not incur any costs with the implementation of the above rainwater
tank opportunities. The cost of employing these options would be incurred by the
landowner, who would then be eligible for a rebate. This rebate would reflect the capital and
operating savings to Council as a result of the reduced impacts on the water supply system.
The financial costs given in the table reflect the costs that will be experienced by the
community with the implementation of each of the rainwater opportunities. According to the
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