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statistiCaL anaLYsis OF raW Water Data 2016
OThER InfORMATIOn
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 Rate d. Aluminium (No. of tests that comply / Total 100%
(% of water quality tests that meet the No. of tests carried out) x
NDWQ Standards) e. Turbidity 100% 100%
f. Iron 99%
g. Manganese 100%
h. Ammonia 100%
i. Residual Chlorine & E Coli 100%
WS2/2: Water Quality Index 100%
( No. of actual sampling
carried out / Total no. of
Sampling Performance WS3:% of sampling carried out versus scheduled sampling ) x 100 100%
scheduled number of sampling
WS4: No. of complaints relating to (No. of compliants on DW
Number of Complaints Index drinking water quality received per 1000 quality / Total no. of services) x 0.101
accounts 1000
Continuity of Water Supply
WS6/1: The no. of bursts and leaks per
km. of mains in the trunk and reticulation Total no. of bursts & leaks in
system resulting in the drinking water the supply area / Total length 0.048
of mains in the supply area
mains being shut down.
Interruption/Restoration of Water Supply WS6/2: % restoration of water supply for No. of restoration of water
Due to Main Burst main bursts effected: supply within respective time
frame / Total no. of main bursts
a. Within 6 hours 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 water No. of complaints on DW
supply continuity received per 1,000 Continuity/Total no. of
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%
84 Sibu Water board
OThER InfORMATIOn
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 Rate d. Aluminium (No. of tests that comply / Total 100%
(% of water quality tests that meet the No. of tests carried out) x
NDWQ Standards) e. Turbidity 100% 100%
f. Iron 99%
g. Manganese 100%
h. Ammonia 100%
i. Residual Chlorine & E Coli 100%
WS2/2: Water Quality Index 100%
( No. of actual sampling
carried out / Total no. of
Sampling Performance WS3:% of sampling carried out versus scheduled sampling ) x 100 100%
scheduled number of sampling
WS4: No. of complaints relating to (No. of compliants on DW
Number of Complaints Index drinking water quality received per 1000 quality / Total no. of services) x 0.101
accounts 1000
Continuity of Water Supply
WS6/1: The no. of bursts and leaks per
km. of mains in the trunk and reticulation Total no. of bursts & leaks in
system resulting in the drinking water the supply area / Total length 0.048
of mains in the supply area
mains being shut down.
Interruption/Restoration of Water Supply WS6/2: % restoration of water supply for No. of restoration of water
Due to Main Burst main bursts effected: supply within respective time
frame / Total no. of main bursts
a. Within 6 hours 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 water No. of complaints on DW
supply continuity received per 1,000 Continuity/Total no. of
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%
84 Sibu Water board
