Page 79 - Sibu water board Final Cover

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MonThLY KEY PErFoManCE indiCaTors For
MONTHLY KEY PERFOMANCE INDICATORS FOR WATER SUPPLY
WaTEr suPPLY sErViCEs For ThE YEar 2017 Information
SERVICESFOR THE YEAR 2017

WATER SERVICES PERFORMANCE
Treated Water Quality
WS2/1: (% of water quality tests that
meet the NDWQ Standard)
a. Residue Chlorine 100%
b. pH 100%
c. E Coli 100%
Treated Water Quality Compliance d. Aluminium (No. of tests that comply / 100%
Rate (% of water quality tests that Total No. of tests carried
meet the NDWQ Standards) e. Turbidity out) x 100% 100%
f. Iron 99%
g. Manganese 100%
h. Ammonia 100%
i. Residual Chlorine & E Coli 100%
WS2/2: Water Quality Index 100%
WS3:% of sampling carried out ( No. of actual sampling
Sampling Performance versus scheduled number of carried out / Total no. of 100%
sampling scheduled sampling ) x 100

WS4: No. of complaints relating to (No. of compliants on DW
Number of Complaints Index drinking water quality received per quality / Total no. of 0.101
1000 accounts services) x 1000

Continuity of Water Supply
WS6/1: The no. of bursts and leaks Total no. of bursts & leaks
per km. of mains in the trunk and in the supply area / Total
reticulation system resulting in the length of mains in the 0.048
drinking water mains being shut
down. supply area
Interruption/Restoration of Water WS6/2: % restoration of water
Supply Due to Main Burst No. of restoration of water
supply for main bursts effected: supply within respective
time frame / Total no. of
a. Within 6 hours main bursts x 100% 95.7%
a. Within 12 hours 99.7%

a. Within 24 hours 100.0%
Water Supply Continuity Complaints WS7: No. of complaints relating to No. of complaints on DW
water supply continuity received Continuity/Total no. of

per 1,000 accounts accounts x 1,000 0.41

Security of Supply
WS11: % of treatment plant reserve
margin for supply area (Effective plant capacity -
Security of Supply current actual production)/ 26%
effective plant capacity x
100%

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