In the past one month, Guangzhou has carried out special law enforcement inspections on illegal drainage behaviors. It has been found that 31 enterprises have seriously exceeded the standards of drainage, involving restaurants, hotels, cosmetics and other industries.
In recent years, due to the fact that the drainage pipes of a considerable number of enterprises have not been directly connected to the municipal pipe network through the connection approval of the water department, there is a large number of misconnections, which cause the sewage to be discharged and discharged directly or indirectly into the river. Polluted the urban water environment.
It is reported that the special law enforcement inspection carried out on-site law enforcement on 47 key drainage households in the city. The test results showed that the drainage pH value and chemical oxygen demand of many enterprises exceeded the standard, and the total phosphorus and ammonia nitrogen were seriously exceeded.
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