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Taiwan Urgent Water Situation Alert! Chief Water Resources Officer

Daniel Nenni

Founder
Staff member
Premier Cho Jung-tai stated during the Executive Yuan meeting that rainfall in western Taiwan so far last winter has hit a 75-year low, with rainfall in the reservoir catchment areas south of Hsinchu ranging from 7% to 37% of the historical average for the same period. (Provided by the Executive Yuan)

Premier Cho Jung-tai stated during the Executive Yuan meeting that rainfall in western Taiwan so far last winter has hit a 75-year low, with rainfall in the reservoir catchment areas south of Hsinchu ranging from 7% to 37% of the historical average for the same period. (Provided by the Executive Yuan)

The Water Resources Agency of the Ministry of Economic Affairs reported to the Executive Yuan today (26th) on the "Current Water Supply Situation and Countermeasures." Premier Cho Jung-tai stated at the meeting that since last winter, rainfall in western Taiwan has been the lowest in 75 years, with rainfall in the reservoir catchment areas south of Hsinchu being only 7% to 37% of the historical average for the same period. The latest water situation warnings are particularly important for the Hsinchu area, which is currently under a yellow warning for reduced water supply, while the Taichung area is under a green warning. Efforts are being made to ensure that by the end of June, domestic water supply will not be affected by regional water supply systems and that industrial production remains stable and unaffected.

Cho Jung-tai pointed out that water resources are a crucial foundation for national economic development. According to statistics from the Central Weather Administration, rainfall in western Taiwan last winter has hit a 75-year low, with rainfall in reservoir catchment areas south of Hsinchu falling between 7% and 37% of the historical average for the same period. Fortunately, various water resource projects have been effective in recent years, and water conditions in most areas remain stable.

Cho Jung-tai stated that the latest water situation warnings are particularly important for the Hsinchu area, which is currently under a yellow warning for reduced water supply, while Taichung is under a green warning. Given the uncertainty of future rainfall, the Ministry of Economic Affairs must continuously review the water situation in various regions, especially the Baoshan and Baoer Reservoirs in Hsinchu and the Liyutan Reservoir in Taichung, where water storage is low. It is crucial to maximize cross-regional support capabilities and utilize drought-resistant wells and underground water sources as backup water sources to ensure that by the end of June, domestic water use will not be affected by regional water supply systems and that industrial production remains stable and unaffected.

Cho Jung-tai emphasized that drought prevention requires the concerted efforts of the entire nation, including industrial, agricultural, and residential water use. In terms of industry, he asked the National Science Council and the Ministry of Economic Affairs to continue to urge science parks and industrial parks to improve the effectiveness of water conservation by industries themselves. He also asked the Ministry of Economic Affairs to strengthen public awareness campaigns on water conservation and to cherish every drop of hard-won water resources.

Regarding agriculture, Cho Jung-tai pointed out that spring plowing and field preparation have been completed. Since March 20, the Ministry of Agriculture has implemented systematic water conservation. In the Hsinchu area, where the water situation is more severe, the water supply for public use has been increased from 120,000 tons to 270,000 tons per day through the Touqian River. This has effectively extended the water supply period of the Baoshan-Bao'er Reservoir. He urged the Ministry of Agriculture to continue to use diverse water sources for water conservation and irrigation, and to strengthen irrigation management during the subsequent rice growing and heading stages to implement water conservation.

In addition, we also request that the Shihmen Reservoir in Taoyuan and the Yongheshan Reservoir in Miaoli provide cross-regional support of 240,000 tons per day. It is estimated that by June 1, the Baoshan-Baoer Reservoir should be able to maintain a reservoir storage of 2.51 million tons.

Cho Jung-tai emphasized that in the face of severe climate challenges, the water situation is currently stable, thanks to the forward-looking infrastructure projects in recent years, such as the "Reservoir Pearl String Project," which have played a role in emergency preparedness and have allocated a total of 390 million tons of water. At the same time, the Ministry of Economic Affairs has taken early and prudent measures, and all ministries have worked together to prevent drought. Since June of last year, they have implemented detailed management and control measures, and so far, the total water-saving allocation has reached 810 million tons.

 
this remind me a youtube video that i just watch yesterday.


the guy went over how Taiwan should not have success with semis industry and yet it did. he talk about taiwan geography. it was quite interesting.
 
La situation à Taïwan est véritablement critique. Imaginez : dans certaines régions, les précipitations n'ont atteint que 7 % de la normale, une goutte d'eau dans l'océan pour des géants industriels comme Hsinchu. Cho Yung-tai a raison de tirer la sonnette d'alarme : lorsque des réservoirs comme celui de Bao'er s'assèchent, ce n'est pas seulement l'irrigation des rizières, mais aussi la production de microprocesseurs, dont dépend le monde entier, qui est menacée. Actuellement, tout ne tient qu'à un fil, grâce au transfert d'eau depuis les régions voisines, à raison de 240 000 tonnes par jour. C'est comme essayer d'éteindre un incendie avec un verre d'eau, en espérant la pluie de juin. Si la situation ne s'améliore pas avant l'été, le niveau d'alerte « jaune » se transformera rapidement en coupures de courant. Les habitants et les usines sont dans une situation désespérée : chaque goutte compte. Le niveau d'eau à Bao'er a atteint un seuil critique de 22 %, et à Liyutan, de 27 %. Sans pluie, il sera quasiment impossible de maintenir un approvisionnement stable en eau pour l'industrie et les besoins domestiques jusqu'à la fin juin, malgré les efforts du gouvernement pour utiliser les puits souterrains et les mesures d'austérité.
 
La situation à Taïwan est véritablement critique. Imaginez : dans certaines régions, les précipitations n'ont atteint que 7 % de la normale, une goutte d'eau dans l'océan pour des géants industriels comme Hsinchu. Cho Yung-tai a raison de tirer la sonnette d'alarme : lorsque des réservoirs comme celui de Bao'er s'assèchent, ce n'est pas seulement l'irrigation des rizières, mais aussi la production de microprocesseurs, dont dépend le monde entier, qui est menacée. Actuellement, tout ne tient qu'à un fil, grâce au transfert d'eau depuis les régions voisines, à raison de 240 000 tonnes par jour. C'est comme essayer d'éteindre un incendie avec un verre d'eau, en espérant la pluie de juin. Si la situation ne s'améliore pas avant l'été, le niveau d'alerte « jaune » se transformera rapidement en coupures de courant. Les habitants et les usines sont dans une situation désespérée : chaque goutte compte. Le niveau d'eau à Bao'er a atteint un seuil critique de 22 %, et à Liyutan, de 27 %. Sans pluie, il sera quasiment impossible de maintenir un approvisionnement stable en eau pour l'industrie et les besoins domestiques jusqu'à la fin juin, malgré les efforts du gouvernement pour utiliser les puits souterrains et les mesures d'austérité.

English:

The situation in Taiwan is truly critical. Imagine: in some regions, rainfall has reached only 7% of normal levels — a drop in the ocean for industrial giants like Hsinchu. Cho Yung-tai is right to sound the alarm: when reservoirs like Bao’er dry up, it’s not only rice field irrigation that’s threatened, but also the production of microprocessors on which the entire world depends.

At present, everything is hanging by a thread, thanks to water transfers from neighboring regions at a rate of 240,000 tons per day. It’s like trying to put out a fire with a glass of water while hoping for June rain. If the situation doesn’t improve before summer, the “yellow” alert level will quickly turn into power cuts. Residents and factories are in a desperate situation: every drop counts.

The water level at Bao’er has reached a critical threshold of 22%, and at Liyutan, 27%. Without rain, it will be nearly impossible to maintain a stable water supply for industry and domestic needs until the end of June, despite government efforts to use groundwater wells and austerity measures.
 
English:

The situation in Taiwan is truly critical. Imagine: in some regions, rainfall has reached only 7% of normal levels — a drop in the ocean for industrial giants like Hsinchu. Cho Yung-tai is right to sound the alarm: when reservoirs like Bao’er dry up, it’s not only rice field irrigation that’s threatened, but also the production of microprocessors on which the entire world depends.

At present, everything is hanging by a thread, thanks to water transfers from neighboring regions at a rate of 240,000 tons per day. It’s like trying to put out a fire with a glass of water while hoping for June rain. If the situation doesn’t improve before summer, the “yellow” alert level will quickly turn into power cuts. Residents and factories are in a desperate situation: every drop counts.

The water level at Bao’er has reached a critical threshold of 22%, and at Liyutan, 27%. Without rain, it will be nearly impossible to maintain a stable water supply for industry and domestic needs until the end of June, despite government efforts to use groundwater wells and austerity measures.
what percentage of water is used for Fabs in taiwan. What portion is used for agriculture?
 
Lake Powell is sitting at 23.8% full March 2026.
Lake Mead is sitting at 33-35% full. Status is critical.

For reference: Powell is 40 ft above minimum power pool. Meaning if the drought worsens, and it is worsening, power generation from Lake Powell will be lost. Predicted by December 2026.
Dead pool: Powell is 157 ft above dead pool. Dead pool would result in no water flowing out of Lake Powell.

TSMC Arizona's first fab uses approximately 4.75 million gallons of water daily, sourced through the City of Phoenix, which utilizes the Central Arizona Project (CAP) for Colorado River water.

Intel Ocotillo is somewhat better off: The City of Chandler supplies water, which consists of a mix of CAP water (Colorado River), Salt River Project (SRP) water, and some groundwater.
 
Water flows uphill to money, except when there is no water. Relying on the Colorado River for significant new demand, arriving between 2026-2030, which is what TSMC is doing, is VERY unwise. It is actually mind boggling to me.
 
Lake Powell is sitting at 23.8% full March 2026.
Lake Mead is sitting at 33-35% full. Status is critical.

For reference: Powell is 40 ft above minimum power pool. Meaning if the drought worsens, and it is worsening, power generation from Lake Powell will be lost. Predicted by December 2026.
Dead pool: Powell is 157 ft above dead pool. Dead pool would result in no water flowing out of Lake Powell.

TSMC Arizona's first fab uses approximately 4.75 million gallons of water daily, sourced through the City of Phoenix, which utilizes the Central Arizona Project (CAP) for Colorado River water.

Intel Ocotillo is somewhat better off: The City of Chandler supplies water, which consists of a mix of CAP water (Colorado River), Salt River Project (SRP) water, and some groundwater.
Lake Powell is sitting at 23.8% full March 2026.
Lake Mead is sitting at 33-35% full. Status is critical.

For reference: Powell is 40 ft above minimum power pool. Meaning if the drought worsens, and it is worsening, power generation from Lake Powell will be lost. Predicted by December 2026.
Dead pool: Powell is 157 ft above dead pool. Dead pool would result in no water flowing out of Lake Powell.

TSMC Arizona's first fab uses approximately 4.75 million gallons of water daily, sourced through the City of Phoenix, which utilizes the Central Arizona Project (CAP) for Colorado River water.

Intel Ocotillo is somewhat better off: The City of Chandler supplies water, which consists of a mix of CAP water (Colorado River), Salt River Project (SRP) water, and some groundwater.

TSMC gets its water from the City of Phoenix, and Phoenix sources its water from three main supplies:

  1. 1. Salt & Verde Rivers (via the Salt River Project – SRP): 50–60% of the total supply

  2. 2. Colorado River (via the Central Arizona Project – CAP): about 40%

  3. 3. Groundwater: around 2%, used mainly as a backup
With the combination of water reclamation and recycling by local cities and industries (including TSMC, Intel, and others), I believe the water demand from TSMC’s Phoenix fabs is manageable. The Colorado River’s declining levels are a concern, but not a show stopper.
 
Lake Powell is sitting at 23.8% full March 2026.
Lake Mead is sitting at 33-35% full. Status is critical.

For reference: Powell is 40 ft above minimum power pool. Meaning if the drought worsens, and it is worsening, power generation from Lake Powell will be lost. Predicted by December 2026.
Dead pool: Powell is 157 ft above dead pool. Dead pool would result in no water flowing out of Lake Powell.

TSMC Arizona's first fab uses approximately 4.75 million gallons of water daily, sourced through the City of Phoenix, which utilizes the Central Arizona Project (CAP) for Colorado River water.

Intel Ocotillo is somewhat better off: The City of Chandler supplies water, which consists of a mix of CAP water (Colorado River), Salt River Project (SRP) water, and some groundwater.
again: what percentage is used by fabs in Arizona, What percentage is used by agriculture. Is water use in Arizona increasing or not over the past 20 years

I am sure that not serving drinking water at restaurants will help solve the issues.
 
Water flows uphill to money, except when there is no water. Relying on the Colorado River for significant new demand, arriving between 2026-2030, which is what TSMC is doing, is VERY unwise. It is actually mind boggling to me.

The whole encouragement of people to move to the desert and have green lawns is mind boggling to me.

However, at least the chip companies seem to have a path to water neutrality.

 
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