未经处理的污水排放 meaning in English

discharge of untreated effluent

Although the sewage disposal proportion has been improved a lot , discharge of the untreated sewage is still increasing due to the enlarging sewage amount , therefore it is still too early to be optimistic about the prospect of the hydro - environment
虽然污水处理率有了较大幅度的提高,但由于排污总量的增加,未经处理的污水排放量仍有增无减,我国水环境状况的发展趋势不容乐观。
Although the sewage disposal proportion has been improved a lot , discharge of the untreated sewage is still increasing due to the enlarging sewage amount , therefore it is still too early to be optimistic about the prospect of the hydro - environment
虽然污水处理率有了较大幅度的提高，但由于排污总量的增加，未经处理的污水排放量仍有增无减，我国水环境状况的发展趋势不容乐观。