Civic leaders to clean up polluted rivers, improve sewerage system
Print Edition
PUDONG authorities have decided to clean the area’s rivers and waterways this year. Civic leaders have vowed to get rid of black sludge and improve water quality by the end of the year.
Separate solutions will be drawn up for each waterway. The government will build more water conservation facilities, further regulate enterprises over their drainage and improve the sewerage network.
Authorities have discovered 752 polluted and foul-smelling waterways in the new area — 279 of which are heavily-polluted.
Most of them are near urban-rural areas, satellite towns, industrial sites and livestock farms. These will be the main target of the water clean-up campaign.
The major clean-up measures include dredging polluted rivers, removing floating pollutants and building separate sewerage and rainwater pipes, as well as demolishing illegal structures on the riverbanks.
Some dead-end rivers, prone to stinking, will be unblocked.
Pudong area leaders are appointed “heads of rivers” to take responsibility within various jurisdictions of the new area.
Authorities plan to take various measures, including dividing waterways into several sections to dredge them, rebuilding riverbanks, planting trees and building new bridges and levees.
At the same time, illegal structures responsible for the pollution of some rivers in Pudong will be dismantled.
Riverbanks once occupied by illegal houses that discharged daily waste into the water will get sewerage pipelines and trees will be planted.
About 240 kilometers of sewers are to be built across Shanghai by 2020, when more than 95 percent of waste water will be collected and treated, according to the authorities.
Several major polluted rivers in Jiading, Qingpu, Songjiang and Minhang districts have already been purified as demonstration projects.
China classifies water quality into six grades. Grade 1 is potable after minimal treatment, while grade 6 is severely contaminated.
According to a recent survey, half of local rivers were rated at grade 5, while excessive nitrogen and phosphorus pollutants had been found in most waterways.
The percentage of heavily polluted rivers in Shanghai — those rated grade 5 — has been cut by 22 percentage points from 2015 to 35 percent by the end of October.
Shanghai Party Secretary Han Zheng has said the city aims to clean up the polluted and odorous rivers by the end of the year, while eliminating all grade 5 rated rivers by 2020. By then, all rivers in Shanghai are expected to meet city and national standards.
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