What is the immediate threat to reservoirs and embankments from continued rainfall?

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Continued heavy rain poses a severe safety threat to reservoirs and embankments

Authorities warned that persistent heavy rainfall, combined with floodwaters staying at high levels for a prolonged period, is putting the safety of reservoirs and embankments in affected areas under a severe test. In Guangxi, officials said rain was expected to persist on Wednesday, while flood-control measures remained at the second-highest emergency response level.
Officials say floodwaters at high levels endanger reservoir and embankment safety
The immediate concern is that floodwaters will continue moving through river systems at high levels for longer than usual. Minister of Water Resources Li Guoying said this prolonged passage of floodwaters, together with persistent heavy rainfall, is challenging the safety of reservoirs and embankments. He described the situation as a “severe test” for affected areas.
Rain is expected to persist while flood conditions remain elevated
In southern China’s Guangxi, authorities warned that heavy rain would persist on Wednesday. Officials also maintained the second-highest level for flood-control emergency response in the region, reflecting ongoing risk to critical water infrastructure. They also highlighted that flood peaks exceeding the warning water level by more than six metres are expected at the Wuzhou Hydrological Station in Guangxi early Thursday.
Flood peaks forecast increases pressure on protective infrastructure
Forecasts for Guangxi include flood peaks more than six metres above the warning water level at Wuzhou early Thursday. Such levels indicate that reservoirs and embankments could face stress during peak inflows and fast-rising water. State media also reported a reservoir dam burst in Guangxi, with torrents of muddy water rushing past damaged concrete walls.
Rescue and relief operations continue amid the infrastructure risk
Authorities expanded disaster relief efforts in response to the storms and flooding, sending items such as food, raincoats, and rubber boats. Rescue workers were deployed in flooded areas, including where a reservoir dam burst had caused damage. The continued rain threat means the danger to reservoirs and embankments remains active while response teams operate.

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What is the immediate threat to reservoirs and embankments from continued rainfall?

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