Er-Jen River has been polluted for a long time by industrial, livestock and domestic waste water, the water in the river is severely polluted. In order to effectively collate related projects conducted by various agencies, a project entitled “Restoration Vision of Water Environment for Er-Jen River” was formed by Environmental protection Administration ( EPA ) in association with related agencies in the river basin is 2005. The project has set improvement goals of Er-Jen River to enhance and evaluate implementation results of various agencies. This project is the continuation of the project “Analysis and Evaluation of Improvement Results of Continuous Works in Er-Jen River “formed in 2006. In order to assist promotion of improvements works in Er-Jen River, provide guidance and review of implemental water quality improvement facilities and promotion of related pollution improvement project, a feasibility evaluation of treatment of direct interception, establishment of water quality and hydrological data, evaluation of improvement word benefits, maintenance and function expension of restoration vision management were conducted for Shan-ye-Crock. Various related projects have been implemented in sequence through the implementation of this project and efforts by related agencies. The length of polluted river reach is 35.3% in 2007 in comparison with 47.4% in 2006. It can easily been seen that the improvements have yielded satisfied results. In the future, the promotion of continuous improvement works, implementation water quality improvement statios and facilities can improve water quality of Er-Jen River hopely in an early data. It is hoped that river and --- environment would also improved to achieve the goals of restoration vision for Er-Jen River.

Er-Jen River,Water Quality Improvement,River Restoration And Improvement