BEIJING — The Ministry of Water Resources (MWR) said on June 30 that frequent floods are expected in China's rivers and lakes in July and August due to heavy rainfall, and they urged high vigilance.

Wang Zhangli, an MWR official, said rainstorms had been frequent this year, especially in June.

"Since the beginning of June, 250 rivers across the country have seen floods above warning levels, accounting for 92 percent of all the rivers with water above warning levels. They are mainly in the regions of Guangdong, Guangxi, Guizhou, Hunan, Hubei, Jiangxi, Sichuan, Chongqing, and Anhui," he said.

According to a joint forecast by MWR and meteorological agencies, parts of the Yellow River, the Haihe River, the Pearl River as well as the Songhuajiang River, the Liaohe River and the Dongting Lake water system, in the middle reaches of the Yangtze River, will see big floods this summer.

Wang said the MWR will work closely with other departments to ensure people's safety.

As of June 30, the National Meteorological Center has issued alerts for rainstorms for 29 consecutive days.