On January 12, the Shantou Municipal Bureau of Ecology and Environment held a press conference to report on the quality of the ecological environment in Shantou in the fourth quarter of 2021. Among them, the urban air quality remains good, and the water quality of the 5 surface water national examination sections has reached the national and provincial assessment requirements.
The scene of the press conference. South + Yang Lixuan photographed
The comprehensive improvement of the Lianjiang River Basin, which has attracted much attention, was reported at the press conference. From 2020 to 2021, the water quality of the National Examination Section of the Lianjiang Haimen Bay Bridge Gate will reach the surface water class IV standard, and in 2021, the water quality of 15 first-class important tributaries will reach the surface water class V standard or above, and Lianjiang will be rated as "Top Ten Beautiful Rivers and Lakes in Guangdong Province". At the end of last year, the Fourth Central Ecological environmental protection supervision group affirmed the rectification work of Lianjiang, pointing out that Lianjiang has changed from a "typical pollution" butterfly to a "model of pollution control".
It is understood that at present, 2 waste incineration power plants, 2 printing and dyeing parks, 13 sewage treatment plants and their supporting pipe networks have been built in the Lianjiang River Basin. As of September 24, 2021, the domestic waste treatment capacity in the basin is 4,000 tons /day, the sludge treatment capacity is 280 tons/day, the sewage treatment capacity is 982,500 tons/day, the pipe network is 8135 kilometers, 2 printing and dyeing parks are settled in 174 enterprises, and 125 enterprises have been put into operation, basically achieving full coverage of domestic waste treatment, sewage treatment and enterprises entering the park in the basin.
Shantou City will continue to deepen the rectification of the Lianjiang River in six major aspects. South + Yang Lixuan photographed
The press conference disclosed that Shantou City will continue to deepen the rectification of the Lianjiang River from six major aspects, including: continuing to implement the responsibility system of the municipal leaders to pack the tributaries and the stationed office system, promoting the improvement of the quality and efficiency of sewage treatment facilities, deepening the comprehensive improvement of the main tributaries, strengthening the control of agricultural non-point source pollution, strengthening the control of industrial pollution sources, and strengthening the public participation and publicity and promotion of the Rectification of the Lianjiang River.
In addition to the improvement of the Lianjiang River, the air quality in Shantou has also remained good. In the fourth quarter of 2021, the number of good days in the urban ambient air quality daily was 26 days, the number of good days was 65 days, and the number of light pollution was 1 day, and the AQI compliance rate was 98.9%. The ambient air quality composite index was 2.89, down 0.02 from the same period last year, and the air quality was better than the same period last year. When the urban ambient air quality index AQI >50, 98.4% of the days the primary pollutant was ozone.
In addition, the precipitation quality of all districts and counties is good, the average pH of precipitation is higher than the acid rain critical value of 5.6, and no acid rain occurs; among the 17 state-controlled monitoring points in the coastal sea area, 14 points of water quality meet the first or second category standards of the "Seawater Water Quality Standards", the excellent water quality rate of the national control points is 82.4%, the red tide does not occur in the coastal waters, and the day and night equivalent sound level monitoring results of the noise class 1, class 2 and class 3 areas in the urban functional areas are up to standard.
[Reporter] Yang Lixuan
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【Author】 Yang Lixuan
【Source】 Southern Press Media Group South + client
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