Chapu Water Governance Project of Putuo District, Shanghai Dong Rui chief of planning section, Shanghai Putuo environmental protection bureau 2018.06 01 Water Pollution Prevention Background in Recent Years of China

C hina R iver Suzhou River Country At present, the important fourth project In 2015, the State Council issued of water Suzhou River-Comprehensive Control will Action Plan for Water Pollution Control; in be conducted, planning that the water quality in 2016, River System is conducted. 2020 will reach the V standard of the surface water.

S hanghai P utuo Shanghai Putuo District Until 2020, the water quality of the Start the whole-covered “One River, whole city will be effectively improved, One Strategy”. Through the effort of two basically eliminating the water body years, among the 55 rivers, there are 30 section which loses the using function rivers of the qualified rivers increased (worse than V class) from eight rivers. 02 Riverway Overview

Xinchapu

Riverway overview ： The whole length is 9.5km, Zhongchapu running through Baoshan, 新 Jiading and Putuo, among Riverway overview：The total length is which the length in Putuo 5.92km, among which the length in District is 3.84km. Putuo District is 2.96km and the rest 中 槎 ones are all in Jiading District. 槎

浦 Water quallity oveview：The Water quality overview ： The water water quality standard in 2015 is quality standard in 2015 is bad V class, and the 浦 bad V class, and the average average annual ammonia-nitrogen annual ammonia-nitrogen concentration is 5.11㎎/L. concentration is 5.55㎎/L.

The two Chapu rivers are branches of the main river --Suzhou River, which is one of the longest and the most important rivers at Shanghai. 62% 新 29% water transformation from primary rain water and outside 17.68t/a mixed sewage 中 槎 2% 8.45t/a 7% Dry deosition, 槎 rubbish 0.51t/a 浦 Surface through 2.06t/a Contribution rate analysis of pollution origin to 浦 wanter in Zhongchapu river system in Zhongchapu items Contribution rate analysis of pollution ammonia-nitrogen ratio

water transfer diversion 17.68t/a 62% origin to wanter in Xinchapu Xinchapu （ Putuo District ） There are surface through 2.06t/a 7% mainly the residential areas and public

primary rain water and mixed greenlands among the district, and the 8.45 29% sewage pollution resource to the river is from dry deosition 0.0035t/a 0.01% the upland water. rubbish 0.51t/a 1.99%

03 Treatment mechanism

River Institute Construction

Rigion leader main functions

 start to conduct the riverway patrol Deputy district head and governance to protect and improve the water quality of riverway; Environmental Water authority leader protection bureau （riverway （water quality  make the inhabitants to actively governamcne） analysis） participate in the construction and management of the riverway;

leader of sub-district  product the good atomsphere of protecting and loving the river.

project public previous pulling down conduction coordination water quality working group and rule- group group supervision breaking group group along the river 04 Measurement of riverway governance

stop the sewage pipe stop 17 sewage discharge outlet pull down the illegal along the river

pull down the illegal construction within 6 meters along the river

sludge cleaning and canal dredge

ecological

rebuidling 05 water qualtiy index analysis after the project

water quality supervision chart after project

oxygen total transpare ammonia- dissoluti phosphorus ncy nitrogen river supervision sample on （P） degree name location time mg/L mg/L mg/L cm 浜

Zhennan 藻 1 2017/12 5.03 1.90 0.33 15 蕰 Zhongcha Road 新 宝 山 pu 2 Baili Bridge 2017/12 4.92 2.65 0.48 16 中 3 Jinchang 5 2017/12 2.11 2.94 0.173 24.3 1 Road 4 槎 槎 Xinchapu Wuwei Road 2017/12 2.16 3.23 0.189 9 2 嘉 定 2 4 普 陀 5 Nanda Road 2017/12 1.03 0.765 0.11 30 3 浦

Suzhou 6 Huacao 2017/12 4.3 1.43 0.18 —— River

浦 the improving rate of the ammonia nitrogen index has passed 50% 苏 州 河 1 water quality 6 supervision section 06 governance effects of water environment

Zhongchapu

Xinchapu 07 working thought

city plan

Accelerate the governance of the upland Suzhou River, and conduct the pollution stopping rebuilding and primary rain water governance measures of the pump station along the riverway.

region co-activity

Based on completing the polluted water governance, Jiading District continues to enforce the pollution controlling and water ecological reguilding, to stop the deterioration of the water qualtiy in Suzhou River. inside enforcement

Improve the governance measures of the fourth Su project; enforce the management and controlling through the river mechanism, explore the pollution prevention and ecological enforcement governance technology, and tries to reach the standard of water quality in Chapu river in 2020.