4.2.1) Johor River Basin Map (Interactive)

Three tier: Federal, State, District NRW in Johor: 25-26% Water coverage Urban 100% Rural 99.85% (Aboriginal and Mersing Island) TAPS Sg. Johor (400 MLD, proposal) Coastal reservoir (Sg. Johor, research)

Labong Dam

Congok Dam

Gunung Ledang Dam Provides water for Tangkak

Asahan Dam Provides water for Tangkak

Juaseh Dam

Bekok Dam Provides water for Batu Pahat

Sembrong Dam Provides water for Kluang and Batu Pahat

Machap Dam

Pontian Dam

Gunung Palai Dam 3

Gunung Palai Dam 2

Kahang Dam Provides water for Kluang

Linggiu Dam Constructed in 1993 (Agreement 1990) under PUB, Singapore's National Water Agency

Seluyut Dam Provides water for Kota Tinggi

Lebam Dam

Lower Layang Dam

Upper Layang Dam

Water transfer to SingaporeWater Agreement 1962/1990Treated water: 5mgd at 50 sen/1000 gallons, 16mgd since 1980sRaw water: 250 MLD to Singapore, 3 sen/1000 gallonsCost to treat water: RM 2.40/1000 gallons

Drought

Algae Bloom

Drought

Drought

Water transfer to MalaccaJohor-Malacca Water Agreement 1991 & Asahan Dam Agreement 2020Asahan Dam, Sg. Muar barrage (proposal) - Jus Dam, Durian Tunggai Dam: 35 MLD, 50 sen/1000 gallons (2018)Request 12 MLD since 2019

Water transferSg. Lenggor to Congok Dam: 20 MLD/day (stand-by mode)

Water transferSg. Ulu Sedili Besar to Seluyut Dam: 160 MLD

Water transferSeluyut Dam to Upper Layang Dam: 159 MLD (stand-by mode)

Water transferSg. Papan to Sg. Lebam: 15 MLD

Water transferSg. Tiram to Upper Layang Dam: 15 MLD

Water transferSg. Johor to Upper Layang Dam: 160 MLD (stand-by mode)50% water to Johor Bahru

Water transfer - PETRONAS' Projek Air Mentah RAPID (PAMER)Seluyut Dam - Pengerang Integrated Complex (PIC), forms part of the Pengerang Integrated Petroleum Complex (PIPC): 230 MLDSeluyut Dam - Lebam Dam: 30 MLD

Sg. JohorClass II-IIIFour main water treatment plants: 1 Singapore Public Utilities Board (PUB), 2 Syarikat Air Johor (SAJ)Raw water demand: 410 MLD

Acid Rain (Research Ongoing)