The Yitong River, originating at the northern foot of Qingdingshan in the Hadaling Mountains in Yitong County, Jilin Province, flows through Yitong County, Changchun City, Dewei City, Nong'an County, with its main tributaries (from south to north) being the Little Yitong River, the Dry Gouzi River, the Shuangmiaozi River, the Yidan River, Alkali Caochu Gully, the Xiaoxiayanzhe River, the Xihanggou (Prosperity Road - South Lake - Zoological and Botanical Gardens - Jishunming Gully), the Dongxinkei River, the Shimei River (or the String Banks), and the Xinkai River, Nong'an Drainage Canal, the Two Families River, the Little Reeds Gully, and the Big Reeds Gully.

Yitong River in Nongan County, leaning against the mountain town leaning against the mountain bridge 5 kilometers below the confluence with the Drinking Horse River, from the source of the river to the confluence of 343.5 kilometers of process, because the Drinking Horse River in the confluence of the process above 368 kilometers, more than 20 kilometers longer than the Yitong River, according to the "source of the river is only the length of the" principle, the Drinking Horse River as the main stream, the watershed collectively referred to as the Drinking Horse River The basin is collectively known as the Drinking Horse River.

The two rivers converge and continue to flow northward for 20 kilometers into the Songhua River.

Expanded Information

Beginning in the late 1970s, indiscriminate digging of river sand and the direct discharge of domestic and production wastewater into the river made the Yitong River dirty and smelly. Over the years, Changchun City has never stopped the treatment of Yitong River, but due to a variety of factors constraints, water pollution and many other problems have not been eradicated. Since 2016, Changchun City, the implementation of the Yitong River, "the whole basin, all-round, all-region" comprehensive treatment. The main river size of the tributaries as well as into the tributaries of the open ditches and culverts together with the management.

The water first source. Changchun 30 kilometers south of the new Lixing Reservoir, is the Yitong River's main water supply. In recent years, the Xinlicheng Reservoir full implementation of the ban, and successively planted 560 hectares of aquatic plants, shrubs and trees 190 hectares, effective adsorption of nitrogen, phosphorus and other substances in the water body, the reservoir area of the original wasteland, beach land into a wetland, the ecological environment has improved significantly.

Located in the upper reaches of the Yitong River, Nanxi Wetland, connected to the Yitong River, once a "rotten mud pool", "black swamp", has become a paradise for all kinds of migratory birds. Changchun practice "ecological water management" concept, the comprehensive use of "aquatic planting" "aquatic animal stocking" and "aeration

In addition to the "ecological water management" concept, the comprehensive use of "aquatic planting", "aquatic animal stocking" and "aeration" and other means, so that the water quality of the South River wetlands greatly improved, played the role of the "filter", became a veritable "Changchun kidney".

In addition to upstream recharge, Changchun also take "water reuse" measures, in the entire basin planning and construction of 29 storage ponds. Storage pools with filtration, pollution reduction, staggered peak and self-purification and other functions, so that the Yitong River has become a real "river of living water.

Baidu Encyclopedia - Yitong River

People's Daily Online - Changchun: Managing a River to Change a City