MAJOR FUNCTIONS OF KW&SB
Section-07 of Chapter-V of KW&SB, Act 1996 describes
following Major Functions of KW&SB:• UNDERTAKE BULK PRODUCTION, FILTERATION / TREATMENT
TRANSMISSION AND RETAIL DISTRIBUTION PURIFYING OF WATER
• UNDER TAKE COLLECTION, PUMPING, TREATMENT & DISPOSAL OF
SEWAGE & INDUSTRIAL WASTE
• BILLING AND COLLECTION OF WATER & SEWERAGE CHARGES
INCLUDING ARREARS THERE OF
ORGANIZATIONAL SET UP
CHAIRMAN
KWSB BOARD
Managing Director
Technical
Finance
Admn.
TOTAL Nos. OF EMPLOYEES, 13030
Revenue
Planning
AREA OF JURISDICTION
AREA WITH KW&SB PRIOR
TO DEVOLUTION
1000 km2
PRESENT AREA
2600 km2
COUNCILS OF GHARO & DHABEJI ADDED
DEVELOPMENT OF KARACHI CITY
• The population of Karachi was 0.3 Million in 1947.
• After independence, due to high influx of migrants
from India and other parts of the country, the City’s
population increased exponentially. The average
annual population growth rate in Karachi is 4.15%.
• The KSDP Plan 2020 indicates the population of Karachi
15.2 Million in 2005 and projected population in 2020
as 27.5 Million.
FUTURE POPULATION OF KARACHI
32,506
35,000
27,550
Population (× 1,000) .
30,000
25,000
15,120
20,000
15,000
10,000
5,000
0
1955
1965
1975
1985
Source: Karachi Strategic Development Plan 2020 (KSDP-2020)
1995
Year
2005
2015
2025
Water is being supplied to Karachi from a
considerably distant located water
source through bulk conveyance system
comprising of a complex network of canals,
conduits, siphons, multi-stage pumping and
filtration
K-III 100 MGD (0.45Mm3/day)
WATER SUPPLY PROJECT
COMPLETED IN 2006
WATER SUPPLY SYSTEM
• RAW WATER TRANSMISSION
Canals, conduits(3.3mx3.3m RCC),
siphons/Pipelines(2100~1800mm) ,Bulk Supply Pumping
Stations(24~35 mgd one unit)
• FILTER WATER TRANSMISSION
Filter Plants, Transmission Mains(1600~ 900 mm)
Secondary Level Pumping Stations(5~15mgd one unit)
• WATER DISTRIBUTION
Area wise distribution Mains (600~ 75mm) emerging
from trunk mains,small pumping stations
SCALE OF SERVICES TO MANAGE & MAINTAIN
 155 WATER PUMPING STATIONS
 25 BULK WATER RESERVOIRS & ALLIED INSTALLATIONS
 08 WATER FILTER PLANTS AND 03 SEWERAGE TREATMENT
PLANTS.
 20 SEWERAGE PUMPING STATIONS
 11,000 KM OF PIPELINES AND 25,000,000 PIPELINE JOINTS,
110 KMS OF CANALS
 1100 MILLION GALLONS OF FLUID (WATER & SEWERAGE)
 400,000 VALVES
WATER SUPPLY
•
POPULATION
•
MAXIMUM WATER DEMAND ( @ 54 gpcd)
972 MGD
•
MINIMUM DEMAND (@ 30 – 54 gpcd) [Av: 42 gpcd]
756 MGD
•
AVAILABLE SUPPLY
680 MGD
 INDUS SOURCE (KINGER LAKE SURFACE WATER)
Greater Karachi
Gharo
K-II
Additional
K-III
Steel Mill
PQA
 HUB DAM (SURFACE WATER)
 DUMLOTTEE WELLS (GROUND WATER)
18 MILLION
280 mgd
28 mgd
100 mgd
40 mgd
100 mgd
22 mgd
08 mgd
578 MGD
TOTAL :
100 MGD
2 MGD
680 MGD
DEMAND AND SUPPLY GAP AT THE RATE OF 54 GPCD
FOR 18 MILLION POPULATION
1000
972
900
Gallon per capita/day
800
700
680
600
500
400
300
200
100
0
Supply
Demand
Widening demand and supply gap
• Delay in sanction of additional 1200 cusec water
quota from Indus source
• Delay in execution of K-IV water project.
SEWERAGE SYSTEM
• SEWAGE GENERATED IN CITY
(70% OF WATER SUPPLIED)
472 MGD
• OPTIMUM DESIGN CAPACITY OF
SEWERAGE TREATMENT PLANTS
151 MGD
• QUANTITY OF SEWAGE TREATED
55 MGD
• SHORTFALL IN SEWAGE TREATMENT
CAPACITY
321 MGD
• UNTREATED SEWAGE
417 MDG
SEWAGE TREATMENT PLANT
Sewage Treatment Plant
Optimum
Design
Capacity
(mgd)
Actual
treatment
(mgd)
Sewage Treatment Plant-I SITE
51.00 mgd
20 mgd
Sewage Treatment Plant-II Mehmoodabad
46.50 mgd
30
mgd
0 mgd
Sewage Treatment-III Mauripur
54.00 mgd
40
mgd
35 mgd
151.50 mgd
90 mgd
mgd
55
TOTAL
INVENTORY OF SEWERAGE SYSTEM
 SEWERAGE TREATMENT PLANTS
3 Nos.
 MAJOR SEWERAGE PUMPING STATIONS
6 Nos.
 SEWERAGE LIFT PUMPING STATIONS
 SEWER CLEANING MACHNIES
 Suction Machines
 Jetting Machines
32 Nos.
46 Nos.
23 Nos.
23 Nos.
 TOTAL LENGTH OF SEWERS
 NUMBER OF MANHOLES
5670 Kms
300,000 NOS.