Watangjiang pumping station retains the flood of outer river by dike dam, reduces the water level of inner river by water pump, and protects the village, farmland and water conservancy establishment along by the river.

• 瓦塘江泵站利用厂坝挡住郁江洪水，用水泵抽水降低内江水位，保护流域内村庄、地及原有水利设施。