Most local water sources have dried up, leaving 220,000 residents and more than 680,000 livestock without water.
The local administration has allocated 23 million yuan ($3.3 million) to deliver drinking water to the disaster-hit areas.
China has seen a string of deadly natural disasters this year. In addition to the May 12 Sichuan earthquake, which killed nearly 70,000 people, the country has endured the worst snowstorms in 50 years and severe flooding in southern and eastern China.
Meanwhile, strong winds and heavy rain brought by Typhoon Fung Wong, the eighth to hit the country this year, left over 450,000 people affected in southeastern China.