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Water Agreements

Ministry of Foreign Affairs Singapore - Water Agreements

What are the Water Agreements?

The State of Johore and the City Council of Singapore signed two long-term Water Agreements. 

The first Water Agreement was signed in 1961 and expired in August 2011. Under this Agreement, Singapore was entitled to draw an unrestricted quantity of raw water from the Tebrau and Scudai Rivers. In return, the agreement stipulated that Singapore would provide Johor with treated water amounting to 12% of the water that we had imported. When the 1961 Water Agreement expired on 31 August 2011, Singapore handed the Johor State government the Gunong Pulai and Scudai waterworks as well as the pump houses at Pontian and Tebrau which we had been operating and maintaining at our own cost.  These facilities were handed to them free of charge and in good working order.

 

[Chairman of PUB Tan Gee Paw (seated, left of picture) and Johor State Secretary Obet Tawil (seated, right of picture) signed the documents to hand over the Gunong Pulai and Scudai waterworks as well as the pump houses at Pontian and Tebrau to the Johor State government on 31 August 2011. These facilities were handed over free of charge and in good working order. Looking on (from left) are Senior Minister of State for the Environment and Water Resources and Information, Communication and the Arts Grace Fu, Johor Menteri Besar Dato’ Abdul Ghani Othman, Minister for the Environment and Water Resources Dr Vivian Balakrishnan, the Sultan of Johor His Royal Highness Sultan Ibrahim Ibni Almarhum Sultan Iskandar, and the Tunku Mahkota of Johor His Royal Highness Tunku Ismail Ibni Sultan Ibrahim.]
 

The second Water Agreement was signed in 1962 and will expire in 2061. It entitles Singapore to draw and use 250 million gallons of raw water per day from the Johor River.  In return, we are obliged to provide Johor with treated water up to 2% of the water we import. PUB draws water from the Johor River and treats the water at the Johor River Waterworks located near Kota Tinggi in Johor. The water we import from Johor is one of our “Four National Taps”.

Why are the Water Agreements so important?

The Water Agreements were guaranteed by the Government of Malaysia in the Separation Agreement signed in 1965 that established Singapore as an independent and sovereign state. The guarantee was also enacted into the Malaysian Constitution by an Act of Parliament. The Malaysian Constitution was annexed to the Separation Agreement. The Separation Agreement was registered with the United Nations.

Both countries have to honour the terms of the Water Agreements and the guarantee in the Separation Agreement. Neither Singapore nor Malaysia can unilaterally change them. Any breach of the Water Agreements would call into question the sanctity of the Water Agreements and the Separation Agreement, and can undermine Singapore’s very existence.  

What is Linggiu Reservoir?

In 1990, PUB and the Johor State government signed an agreement to construct Linggiu Reservoir to increase the yield of the Johor River to enable reliable abstraction of PUB’s full entitlement to 250 million gallons per day of water. This agreement supplemented the 1962 Water Agreement.

Linggiu Reservoir is a regulatory reservoir. During periods of dry weather or high tide, more seawater backs up along the Johor River. Rainwater collected in the Linggiu Reservoir is released into the Johor River, supplementing its flow or pushing the seawater back, enabling the reliable abstraction of raw water from the Johor River.

Johor owns the Linggiu Dam, but Singapore paid more than S$300 million for its construction and operational costs, as well as compensation for the land used for the Linggiu Reservoir project, the potential loss of revenue from logging activities, and as one-time payment for the lease of that land for the remaining tenure of the 1962 Water Agreement.

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