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POPULATION PROJECTIONLAND USE STUDYPOTABLE WATER DEMAND PROJECTIONIRRIGATION WATER DEMANDPROCESSED HYDROMETRIC DATA

WATER QUALITYHEP DAMS IN SARAWAKRIVER NAVIGATIONFORESTRY IN SARAWAKGROUNDWATER RESOURCESCATCHMENT MANAGEMENT

PROPOSED WATER RESOURCES DEV. PLAN
 
 
 
 
 
WATER QUALITY
 
 
List of Monitored Rivers in Sarawak in 2006 by NREB
No.
Rivers
Sampling Points
--------------------------------------------------------
Catchment/
Reach
Classification
Code
 
SOUTHERN REGION  
 1Sungai Sarawak
Satok Bridge at Jambatan Tun Abdul Rahman Yakub
Bintawa Causeway
Downstream Barrage (inland side)
Upstream Barrage (seawards side)
Bako Causeway

Lower
Lower
Lower
Lower
Lower

W1
W6
W7
W8
W9
2

Sungai Bintangor
Confluence of Sg. Bintangor
Lower
W2
3
Sungai Padungan
Holiday Inn (near to discharge point)
Confluence of Sg. Padungan

Lower
Lower

W3
W4

4
Sungai Sekama
Confluence of Sg. Sekama
Lower
W5
5
Sungai Maong
Batu 3, Jalan Bormill Estate
Jalan Keretapi
Metro Park
Jalan Stapok
Lower
Lower
Lower
Lower
N1
N2
N3
N4
6
Sungai Sarawak Kanan
SMK Bau
Bau Water Intake Point
Wind Cave, Bau
Middle
Middle
Middle
Q1
Q2
Q3
7
Sungai Sarawak Kiri
Batu Kitang Water Intake Point
Kpg. Bukit Panchur
Middle
Middle
Q4
Q5
8
Batang Samarahan
Industrial Area
Samarahan Ferry
Kpg. Tanjung Tuang
Kpg. Lintang Baru Panchor
Lower
Lower
Lower
Lower
H1
H2
H3
H4
9
Batang Sadong
Kpg. Selabi Enturum
Serian Bridge
Discharge Point of Kpg. Hilir Melayu
End of Kpg. Hilir Melayu
Middle
Middle
Middle
Middle
D1
D2
D3
D4
10
Batang Lupar, Sri Aman
Lingga Wharf
Bakong R.C. Jetty
Kubu Alice Jetty
Kpg. Hulu
Lower
Lower
Middle
Middle
L1
L2
L3
L4
11
Sungai Kuap, Kuching
Confluence of Sg. Dollah
Near to effluent drain of 1st Silicon
Confluence of Sg. Midin
10m Downstream Confluence of Sg. Midin
Effluent Discharge from the main drain near to Sanmina, Komag and Taiyo Yuden
Upstream confluence of Sg. Dollah
Lower
Lower
Lower
Lower

Lower
Lower
Z1
Z2
Z3
Z4

Z5
Z6
12
Sungai Tabuan
Sg. Tabuan Bridge
SRK Sg. Apong Jetty (Sg. Tabuan)
Kpg. Tabuan Lot No. 3 @ Lobak Dani
Lower
Lower
Lower
T1
T2
T3
 
CENTRAL REGION  
13
Batang Rajang, Sibu
Water Intake Point, Salim River
Kingwood Hotel Discharge Point
Sg. Merah
Sg. Loba Lembangan
Salim Bridge
Upper of Other Sampling Points at Btg. Rajang, Sibu
Water Intake, Bukit Lima
Middle
Middle
Middle
Middle
Middle

Middle
Middle
S1
S2
S3
S4
S5

S6
S7
 Batang Rajang, Sarikei
Terminal 2 Express Wharf, Sarikei
Sarikei Express Wharf
Sg. Nyelong Ferry
Lower
Lower
Lower
R1
R2
R3
 Batang Rajang, Kapit
Kapit Water Intake Point
Kapit Express Wharf
Bleteh Jetty
Upper
Upper
Upper
K1
K2
K3
14
Batang Mukah, Mukah
Btg. Mukah Water Intake Point (Tg. Pedada)
Grand Safeways Sdn. Bhd. Factory
Town Area – Btg. Mukah
Netsei Sago Sdn. Bhd.

Lower
Lower
Lower
Lower

U1
U2
U3
U4
15
Batang Lassa, Daro
Opposite Kpg. Saai, Pulau Bruit
Confluence of Sg. Daro
Kpg. Tebaang, Daro
Confluence of Btg. Lebaan-Btg. Lassa @ SRK Btg. Lassa
Lower
Lower
Lower

Lower
E1
E2
E3

E4
16
Batang Oya, Mukah
Confluence of Sg. Putei
Confluence of Sg. Dalam
Confluence of Sg. Ud
Confluence of Sg. Datan
Lower
Lower
Lower
Lower
Y1
Y2
Y3
Y4
17
Sungai Tisa, Kapit
Nanga Sg. Tisa
Adjacent to Rh. Lulut
Upstream of other sampling point
Upper
Upper
Upper
K4
K5
K6
18
Batang Igan, Sibu
Ferry Point, Kampung Hilir
Rantau Panjang Jetty
Sungai Tutus
Sungai Kut
Middle
Middle
Middle
Lower
C11
C12
C13
C14
19
Sungai Julau, Sibu
Old Pakan Bazaar Jetty
Rh. Ayob ak Abu Jetty, Nanga Lasi
Julau JKR Water Intake Point
SK St. Alphonsus Jetty
Middle
Middle
Middle
Middle
CJ1
CJ2
CJ3
CJ4
20
Sungai Kanowit, Sibu
Machan Bazaar
Rh. Ato ak Jarup Jetty, Bukong
Rh. Binar Jetty, Sg. Ranan
Confluence of Sg. Ranan
Kanowit JKR Water Intake Point
Middle
Middle
Middle
Middle
Middle
CK1
CK2
CK3
CK4
CK5
 
NORTHERN REGION  
21
Sungai Miri, Miri
New River Mouth/ Marine Port
Syarikat Miri Sawmill Sdn. Bhd.
Shell Loading Wharf
Pujut 4, Sg. Adong
Confluence of Sg. Dalam
Confluence of Sg. Liku
Lower
Lower
Lower
Lower
Lower
Lower
M1
M2
M3
M4
M5
M6
22
Batang Baram, Miri
Express Wharf
Miri Wharf
Sg. Maslai
Lower
Lower
Lower
B1
B2
B3
23
Sungai Bakong, Miri
Sg. Bakong Water Intake Point
Pekan Beluru Jetty
Sg. Liam (Tributary of Sg. Bakong)
Jambatan Sg. Bakong
Upper
Upper
Upper
Upper
G1
G2
G3
G4
24
Sungai Niah, Miri
Batu Niah Jetty (Town)
Niah-Subis Water Intake Point
Rh. Ampau
Rh. Ranggong Jetty
Rh. Ngelayang
Middle
Middle
Middle
Middle
Middle
F1
F2
F3
F4
F5
25
Batang Suai, Miri
Kpg. Iran Jetty
Btg. Suai Bridge
Saremas Bridge (Tg. Tiara)
Upstream of Other Sampling Points at Btg. Suai
Lower
Middle
Upper

Upper
O1
O2
O3

O4
26
Sungai Awat-Awat, Lawas
Upstream of Other Sampling Points at Sg. Awat-Awat
~20 meter Upstream Confluence of Sg. Awat-Awit Damit
Middle of Fish Culture Project Site (Fish cage rearing)
Estuary of Sg. Awat-Awat

Lower

Lower

Lower
Lower

A1

A2

A3
A4
27
Sungai Punang, Lawas
Upstream of Other Sampling Points at Sg. Punang
Middle of Fish Culture Project Site (Fish care rearing)
River Mouth of Sg. Punang

Lower

Lower
Lower

P1

P2
P3
28
Sungai Lutong, Miri
Kuala Sg. Lutong
Sribina Bridge
MMC Dumping Ground
Sg. Senadin Bridge / Pasu
Upper Stream of Other Sampling Points at Sg. Lutong
Lower
Lower
Lower
Lower

Lower
V1
V2
V3
V4

V5
29
Sungai Kejapil, Miri
JKR Water Intake Point
Upper River JKR Water Intake Point
Confluence of Sg. Luak
SOP Nursery Intake Point
Upstream of Other Sampling Points at Sg. Kejapil
Upper
Upper
Upper
Upper

Upper
J1
J2
J3
J4

J5
30
Sungai Limbang, Limbang
Rangau Wharf
Medical Store
Kpg. Medair
Ng. Medamit Jetty
Lower
Lower
Lower
Lower
I1
I2
I3
I4
31
Sungai Pandaruan, Limbang
Kampung Pelita
Ferry Point Pandaruan
Water Intake Point, Pandaruan
Rh. Penganan
Lower
Lower
Lower
Lower
C1
C2
C3
C4
32
Batang Kemena, Bintulu
Park City
Main Market
Kemena Bridge
Sebauh Jetty
Lower
Lower
Lower
Middle
X1
X2
X3
X4
33
Batang Tatau, Bintulu
Sangan Water Treatment Plant
Bintulu Pulp Paper Mill
Commercial Wharf Tatau
Tatau Bridge
Middle
Middle
Middle
Middle
TA1
TA2
TA3
TA4
34
Sungai Sibiew, Bintulu
Jambatan Sg. Sibiu, Kpg Baru
Jambatan Bintulu-Sibu (Bt. 6)
Water Intake Point LAKU, Jln Nyalau
Jambatan Sg. Sibiu No. 2, Jln Miri-Bintulu
Assyakirin Dam outlet
Lower
Middle
Middle

Upper
Upper
SB1
SB2
SB3

SB4
SB5
35
Sungai Lubai, Limbang
Rh. Sait Jetty
Rh. Sabang Jetty
Rh. Luta Jetty
SK Ng. Merit Jetty
Middle
Middle
Upper
Upper
NL11
NL12
NL13
NL14
36
Sungai Berawan, Limbang
Kpg. Pengkalan Rejab
LAKU Water Intake Point
Kpg. Batu 8
Sungai Berawan Kiri (RC Kubong)
Lower
Middle
Middle
Upper
NB1
NB2
NB3
NB4
37
Batang Trusan, Lawas
Sundar Bazaar
Slugang Water Intake Point
Trusan Ferry
Tang Lipi
Lower
Lower
Lower
Lower
NT1
NT2
NT3
NT4
38
Sungai Gaya, Lawas
Kpg. Gaya Baru
Kpg. Gaya Lama
Gelugus Water Intake Point
Lower
Lower
Lower
NG1
NG2
NG3
39
Sungai Nyalau, Bintulu
Kampung Kuala Nyalau Jetty
Klinik Desa, Kampung Nyalau Tengah Jetty
Jambatan Sungai Nedus
Jambatan Sungai Nyalau
Jambatan Sungai Perihas
Lower
Lower
Lower
Lower
Lower
NNU1
NNU2
NNU3
NNU4
NNU5
40
Sungai Labang, Bintulu
Kampung Yoh Jetty, Sungai Labang
Jambatan Sungai Labang
Jambatan Sungai Sebekai
Kuala Sungai Labang
Upper
Upper
Upper
Upper
NLG1
NLG2
NLG3
NLG4

National Water Quality Standards For Malaysia

 Classes
      
Parameters
Units
I
IIA
IIB
III
IV
V
Ammoniacal-Nitrogen
BOD
COD
DO
TSS
Turbidity
mg/l
mg/l
mg/l
mg/l
mg/l
NTU
0.1
1
10
7
25
5
0.3
3
25
5-7
50
50
0.3
3
25
5-7
50
50
0.9
6
50
3-5
150
-
2.7
12
100
3
300
-
2.7
12
100
1
300
-
FCC**counts/100ml10
100
400
5000 (20000)ε5000 (20000)ε 
Total Coliform Count
counts/100ml
100
5000
5000
5000
5000
5000
As
Pb
Fe
Mn
Ni
mg/l
mg/l
mg/l
mg/l
mg/l
ENL
ENL
-
ENL
ENL
0.05
0.05
0.3
0.1
0.05
0.4
0.02*
1
0.1
0.9*
(0.05)
(0.01)
-
-
-
0.1
5
5
0.2
0.2
>IV
>IV
>5
>IV
>IV

*   =
**   =
ε    =
ENL=

Class


 

 
IIA 

IIB 
 

IV 
V
 
Related parameters, only one recommended for use
Geometric mean
Maximum not to be exceeded
Expected Natural Level

Uses
Conservation of natural environment
Water supply I - practically no treatment necessary (except by disinfection of boiling only)
Fishery I - very sensitive aquatic species
Water supply II - conventional treatment required
Fishery II sensitive aquatic species
Recreational use with body contact
Water supply III - extensive treatment required
Fishery III - common, of economic value and tolerant species
Irrigation
Non of the above



List of Rivers Monitored by DOE
River
Catchment
River                 
Code
Location
Reach
Classification
Batang Kayan
Kayan
Kayan
Kayan
Sematan
50KY01
50KY02
50KY03
50ST01
Ferry Point
Kampung Selampit
Pangkalan Stungkor
Mile 14, Lundu / Sematan
Middle
Upper
Upper
Lower
Sarawak
Sarawak
Sarawak
Sarawak Kanan
Sarawak
Sarawak
Sarawak Kiri
Sarawak
Sarawak
51SW01
51SW02
51SW03
51SW04
51SW05
51SW06
51SW07
51SW08
Kampung Sejingkat
Shell Pending
KPA Wharf
Satok Bridge
Batu Kawa
Batu Kitang
Siniawan

Bau Bridge
Lower
Lower
Lower
Lower
Middle
Middle
Middle
Middle
Batang Samarahan
Santubong
Tabuan
Maong Kiri
Kuap
Kuap
Semenggoh
Semenggoh
Samarahan
Samarahan
51SB01
51TB01
51MK01
51KP01
51KP02
51SG01
51SG02
51SR01
51SR02
Old Bako Ferry Point
Tabuan Bridge
Voon Ming Seng SMR
Kampung Kuap (Hilir)
Kampung Kuap (Hulu)
Kampung Stakan
Mile 8 Bridge
Kota Samarahan
Panchor
Lower
Lower
Lower
Lower
Middle
Middle
Middle
Lower
Lower
Batang Sadong
Tarat
Tarat
Sadong
Sadong
Sadong
Karangan
52TR01
52TR02
52SD01
52SD02
52SD03
52KR01
Pertanian Tarat (Hilir)
Pertanian Tarat (Hulu)
Simunjan
Gedong
Serian
Balai Ringin
Middle
Middle
Middle
Middle
Middle
Middle
Batang Lupar
Undup
Lupar
Lupar
Lupar
Sekerang
Btg. Ai
Seterap
53UD01
53LP01
53LP02
53LP03
53SK01
53AI01
53SP01
Undup Bridge
Sri Aman (Downstream)
Sri Aman (Upstream)
Engkelili
Skrang Bridge
Lubok Antu
Pantu
Middle
Middle
Middle
Middle
Middle
Middle
Middle
Batang Saribas
Rimbas
Saribas
54RB01
54SS01
Rimbas Bridge
Pusa
Upper
Lower
Batang Kerian
Kerian
Kerian
Seblak
55KR01
55KR02
55SL01
Saratok
Kerian Bridge
Roban
Middle
Middle
Middle
Batang Rajang
Rajang
Rajang
Rajang
Rajang
Rajang
Rajang
Rajang
Rajang
Rajang
Rajang
Rajang
Rajang
Rajang
Rajang
Sarikei
Binatang
Julau
Meradong
56RJ01
56RJ02
56RJ03
56RJ04
56RJ05
56RJ06
56RJ07
56RJ08
56RJ09
56RJ10
56RJ11
56RJ12
56RJ13
56RJ14
56SE01
56BN01
56JL01
56MD01
Tg. Manis, Sarikei (Downstream)
Tg. Manis, Sarikei (Upstream)
Sarikei (Downstream)
Sarikei (Upstream)
Bintangor (Downstream)
Bintangor (Upstream)
Sibu
Sg. Antu, Sibu
Upper Lanang, Sibu
Durin Ferry
Kanowit
Song
Kapit (Downstream)
Kapit (Upstream)
Jakar
Bintangor/Sibu Road
Julau
Meradong SMR
Lower
Lower
Lower
Lower
Lower
Lower
Middle
Middle
Middle
Middle
Middle
Middle
Upper
Upper
Middle
Middle
Middle
Middle
Batang Oya
Oya
Oya
Oya
57OY01
57OY02
57OY03
Oya
Dalat
Stapang
Lower
Lower
Middle
Batang Mukah
Mukah
Mukah
Mukah
Mukah
58MH01
58MH02
58MH03
58MH04
Mukah
Penakub
Sau/Kenyana
Selangau
Lower
Lower
Lower
Middle
Batang Balingian
Balingian
Balingian
59BG01
59BG02
Balingian
Rebor Bridge, Sibu/Bintulu
Lower
Middle
Batang Tatau
Tatau
60TT01
Wharf jetty adjacent to town
Middle
Batang Kemena
Kemena
Kemena
Sibiu
61KM01
61KM02
61SU01
Town area near jetty
Town area, on jetty
Near kampung, adjacent to airport
Lower
Lower
Middle
Sg. Samalaju
Samalaju
62SJ01
Upstream side of bridge adjacent to shop
Upper
Batang Suai
Suai
63SI01
Upstream side of bridge close to kampung
Upper
Batang
Niah
Niah

Sekaloh

Sekaloh

Sekaloh
64NH01
64NH02

64SH01

64SH02

64SH03
Bazaar, near the jetty
Upstream side of bridge, 500 m from Niah junction.
Downstream side of bridge adjacent to kampung
Downstream side of bridge, approx. 200 from factory
Upstream side of bridge, 200m from factory
Middle
Middle

Middle

Middle

Middle

Batang Sibuti
Kabuloh
Kabuloh

Satap

Sibuti

Sibuti
Kejapil
65KH01
65KH02

65SP01

65ST01

65ST02
65KJ01
500m near factory
Inside Simpang Empat Oil Palm Estate
Downstream side of bridge, near an existing school
Bazaar area, on the opposite side of kampung
Upstream side of bridge
Upstream side of bridge, near water intake
Middle
Middle

Middle

Middle

Lower
Middle

Batang Miri
Lutong
66LT01
Within kampung area
Lower
LutongLutong
Miri
Miri

66LT02
66MR01
66MR02

Downstream side of bridge
Jetty opposite to the dockyard
500m from bazaar, downstream side of bridge
Lower
Lower
Lower

Batang Miri/ Lutong
Adong
Padang Liku
Dalam
66AD01
66PL01
66DM01
Kampung Pujut Adong
Near Pujut water intake
Bintulu-Miri road
Lower
Lower
Middle
Batang Baram
Baram
Baram

Baram
Baram
67KB01
67KB02

67KB03
67KB04
Near wharf area
Near plywood factory next to log stockyard
Near wharf next to bazaarl, berhampiran pekan
Jetty next to bazaar.
Lower
Lower

Lower
Lower

Batang Limbang
Limbang

Limbang
Limbang
Limbang
Limbang
68LB01

68LB02
68LB03
68LB04
68LB05
On jetty near bazaar, adjacent to kampung
On side of riverbank adjacent to bazaar and kampung
Within kampong area.
Jetty for crossing to opposite bank
Adjacent to shop and kampung
Lower

Lower
Lower
Lower
Lower

Batang Trusan
Trusan
69TS01
Near ferry point
Lower
Batang Lawas
Lawas
Lawas
70LW01
70LW02
Near Express Jetty’s check point
Town area
Lower
Lower

General WQI Rating Scale
Index /
Sub - Index
Index
Value
Index
Value
Index
Value
 Polluted
Slightly
Polluted
Clean
WQI
BOD
AN
TSS
0 – 59
0 - 79
0 - 70
0 - 69
60 - 80
80 - 90
71 - 91
70 - 75
81 – 100
91 – 100
92 – 100
76 – 100

Location of Water Quality Sampling Stations - Southern Region
Figure 6-1a.JPG

Location of Water Quality Sampling Stations - Central Region
Figure 6-1b.JPG

Location of Water Quality Sampling Stations - Northern Region
Figure 6-1c.JPG