The Naungudong Aqueduct is located 700 meters downstream of the Naungudong Reservoir, across the Dew River, 130 meters long, 11.42 meters wide and 11.4 meters high, with a total of 10 holes, so it is called the "Ten Holes Aqueduct".
The aqueduct was built on February 15, 1960 and completed on August 15, 1961, built by the two communes of Chadian and Heshun, with a total of 5,264 cubic meters of stone excavation and 9,318 cubic meters of masonry, with a cost of 140,000 yuan.
In order to improve the flood resistance, the dividing tips of the piers of the main river channel were reinforced in 1977, and at 7:40 on August 1, 1982, the maximum flood discharge since the construction of the Naungudong Reservoir was 1650 cubic meters per second.
(Source: Hongqiqu Tourism)