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LTP 2021-31  Draft Performance Measures for Water Supply
Community 
Strategic 
Strategies & 
Performance 
Baseline 
2021/22 
2022/23 
2023/24 
2024-31 
Reporting 
Key Result Areas
Levels of Service
Outcome
Priorities
Plans
Measures
(2020/21)
Target
Target
Target
Target
Activity
Compliance with part 4 
of the drinking-water 
Yes
Compliant
Compliant
Compliant
Compliant
standards (bacteria 
compliance criteria)
Compliance with part 5 
Regional Water 
of the drinking-water 
Yes
Compliant
Compliant
Compliant
Compliant
A clean, safe and 
Strategy
Provide water that is 
standards (protozoal 
Thriving 
sustainable future 
safe, and pleasant to 
compliance criteria)
Environment
drinking water 
Drinking Water 
drink
supply
Safety Plan
Number of waterborne 
0
disease outbreaks
Customer satisfaction:  
<20 
<20 
<20 
<20 complaints 
number of complaints 
complaints 
complaints  complaints per 
0
per 1000 
regarding water clarity, 
per 1000 
per 1000 
1000 
connections
taste, odour, pressure, 
connections
connections
connections
and supply
Wellington Water 
Average drinking water 
Sustainable Water 
consumption per 
Policy
resident per day within 
<374 L/p/d
<375 L/p/d
<375 L/p/d
<375 L/p/d
<375 L/p/d
the TA districts 
Support the 
Wellington Water 5-
supplied by the bulk 
reduction of the 
year Plan to Reduce 
Provide a continuous  water system 
overall bulk water 
Water Demand
and secure bulk water 
supply to the four 
supply
metropolitan cities 
Maintenance of the 
by 25% by 2030
Bulk water 
bulk reticulation 
Wellington Water 
supply
network: Percentage of 
Asset Management 
+/- 2%
+/- 0.25%
+/- 0.25%
+/- 0.25%
+/- 0.25%
real water loss from 
Plan
the networked 
reticulation system
Time to 
Time to reach 
Time to reach 
Time to reach 
Response times to 
Time to reach 
reach site 
Reduce water 
site <60min
site <90min
site <90min
attend urgent call-outs 
site <90min
<90min
demand to 
in response to a fault 
support a 
Time to 
Time to 
Time to 
or unplanned 
Time to confirm 
Time to 
sustainable water 
confirm 
confirm 
confirm 
interuption to the bulk 
resolution 
confirm 
supply to avoid 
resolution 
resolution 
resolution 
Resilent Future
water network
<8 hours
resolution 
unnecessary 
<4 hours
<8 hours
<8 hours
<8 hours
investment in 
Time to 
Time to reach 
Time to reach 
Time to reach 
significant new 
Response times to 
Time to reach 
reach site 
site <36 hours
site <72 hours
site <72 hours
water supply 
attend non -urgent call-
site <72 hours
<72 hours
infrastructure
outs in response to a 
Time to 
Time to 
Time to 
fault or unplanned 
Time to confirm 
Time to 
confirm 
confirm 
confirm 
interuption to the bulk 
resolution
confirm 
resolution
resolution
resolution
water network
<20 days
resolution
<15 days
<20 days
<20 days
<20 days
25 February, 2021
Bulk water 
supply
Reduce water 
demand to 
support a 
sustainable water 
supply to avoid 
Resilent Future
unnecessary 
investment in 
significant new 
water supply 
LTP 2021-31  Dr
in aft
fras  Per
tructu for
re
mance Measures for Water Supply
Community 
Strategic 
Strategies & 
Performance 
Baseline 
2021/22 
2022/23 
2023/24 
2024-31 
Reporting 
Key Result Areas
Levels of Service
Outcome
Priorities
Plans
Measures
(2020/21)
Target
Target
Target
Target
Activity
Number of events in 
the bulk water supply 
preventing the 
0
continuous supply of 
drinking water to 
Provide a continuous  consumers
Regional Water 
and secure bulk water  Sufficient water is 
Strategy
supply
available to meet 
normal demand except 
in a drought with a 
Not achieved
severity of greater than 
or equal to 1 in 50 
years
25 February, 2021