Has this rainfall solved Taiwan's water shortage?

No, it provides temporary relief, but reservoir levels in the south remain low, and the fundamental issue is not resolved.

What is the current water level of the Tsengwen Reservoir?

As of 7:00 PM on June 8, 2025, it was at 13.3% capacity.

What is the WRA's outlook on the water situation?

The WRA expects water storage rates to gradually recover if rainfall from the frontal system continues.

Plum Rains Raise Tsengwen Reservoir Water Level to 13%; Taiwan Reservoirs 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 southwesterly winds have brought rainfall across Taiwan. The Water Resources Agency estimates this rainfall will provide approximately 180 million tons of water to the nation's reservoirs. The Tsengwen Reservoir's water level has recovered to 13.3%, but several reservoirs in southern Taiwan remain below 20% capacity, indicating a still-precarious water situation.

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

According to WRA statistics, from 7:00 AM on June 4 to 3:00 PM on June 8, this rainfall is estimated to provide about 180 million tons of water, which will flow into reservoir areas. 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 rain, 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 Rentyutan 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, the official website of the Ministry of Economic Affairs' Water Resources Agency shows that the water storage rates of the Tsengwen, Wushantou, and Agongdian Reservoirs have not exceeded 20%. The WRA responded to a CNA inquiry, explaining that the Tsengwen and Wushantou Reservoirs are operated in tandem, so the water storage rate increases slowly. With continued rainfall from the frontal system, the water storage rate is expected to gradually recover.

The official website of the WRA shows that as of 7:00 PM, the water storage rate of the Tsengwen Reservoir was 13.3%.

The WRA stated that the Agongdian Reservoir entered its empty-dam desilting period on June 1. 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 Rains Raise Tsengwen Reservoir Water Level to 13%; Taiwan Reservoirs Expected to Gain 180 Million Tons of Water

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