SARAWAK INTEGRATED WATER RESOURCES MANAGEMENT

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POPULATION PROJECTION

LAND USE STUDY

POTABLE WATER DEMAND PROJECTION

IRRIGATION WATER DEMAND

PROCESSED HYDROMETRIC DATA

WATER QUALITY

HEP DAMS IN SARAWAK

RIVER NAVIGATION

FORESTRY IN SARAWAK

GROUNDWATER RESOURCES

CATCHMENT 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
1	Sungai 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/100ml	10	100	400	5000 (20000)ε	5000 (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
I

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
Lutong	Lutong 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

Location of Water Quality Sampling Stations - Central Region

Location of Water Quality Sampling Stations - Northern Region

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