Will this rain solve Taiwan's water shortage?

It provides temporary relief, but reservoir levels in the south remain low, so the shortage is not fully resolved.

How much has the Tsengwen Reservoir's storage rate recovered?

It has recovered to 13.3%, but this is still a low level.

What are the WRA's next steps?

They will continue to monitor rainfall, coordinate reservoir operations, and promote water conservation.

Plum Rain Raises Tsengwen Reservoir Storage Rate to 13%; Reservoirs Across Taiwan Expected to Gain 180 Million Tons of Water

Published Jun 8, 2026 9:12 PM ・ Updated Jun 14, 2026 12:01 AM ・ 5 min read ・ Source: CNA (Central News Agency)

A frontal system and enhanced southwest winds have brought rainfall across Taiwan. The Water Resources Agency estimates this rainfall will provide approximately 180 million tons of water to reservoirs nationwide. The Tsengwen Reservoir's storage rate has recovered to 13.3%, but several reservoirs in southern Taiwan remain below 20% capacity.

(Central News Agency, reporter Xie Yixuan, Taipei, 8th) A frontal system approaching and enhanced southwest winds have brought rainfall across Taiwan. The Water Resources Agency (WRA) stated that as of 3:00 PM today, this rainfall is estimated to provide approximately 180 million tons of water. Among them, the storage rate of the Tsengwen Reservoir has slowly risen to 13.3%. With continued rainfall from the frontal system, the storage rate is expected to gradually recover.

According to WRA statistics, from 7:00 AM on the 4th to 3:00 PM on the 8th, this rainfall is estimated to provide about 180 million tons of water, which will flow into reservoir areas sequentially. The Shihmen Reservoir and the Tsengwen and Wushantou Reservoirs have increased their storage by approximately 12.4 million tons and 17 million tons respectively compared to before the rainfall, while the Nanhua Reservoir has also increased by about 7 million tons.

The WRA estimates that the inflow to the Feitsui Reservoir will be about 18 million tons, the Shihmen Reservoir about 38 million tons; the central Liyutan Reservoir about 10.5 million tons, the Wushe and Sun Moon Lake Reservoirs about 19.5 million tons; the southern Lantan and Renyitan Reservoirs about 3 million tons, the Tsengwen and Wushantou Reservoirs about 31 million tons, and the Nanhua Reservoir about 24 million tons.

Although the rain has continued for several days, according to the website of the Ministry of Economic Affairs' Water Resources Agency, the current storage rates of the Tsengwen, Wushantou, and Agongdian Reservoirs have not exceeded 20%. In response to a question from CNA, the WRA explained that the Tsengwen and Wushantou Reservoirs are operated in tandem, so the storage rate increases slowly. With continued rainfall from the frontal system, the storage rate should gradually recover.

The website of the Ministry of Economic Affairs' Water Resources Agency shows that as of 7:00 PM, the storage rate of the Tsengwen Reservoir was 13.3%.

The WRA stated that the Agongdian Reservoir entered its empty-dam desilting period on the 1st. According to regulations, the water level during the empty-dam desilting period should not exceed an elevation of 31 meters as a principle. (Editor: Huang Guolun) 1150608

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Source: CNA (Central News Agency)
Category: Taiwan

Plum Rain Raises Tsengwen Reservoir Storage Rate to 13%; Reservoirs Across Taiwan Expected to Gain 180 Million Tons of Water

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