Da Nang: Determining the cause of wastewater overflowing into Cam Le river along Thang Long street outlet
In the past few days, on Thang Long Street, there has been a situation of wastewater overflowing into Cam Le River at 3 locations of CSO HC3A/1 outlet (behind the Exhibition Center), CSO HC3/2 outlet (at the foot of Nguyen Tri Bridge). Phuong) and Hoa Cuong Wastewater Treatment Station (under Thang Long road crossing bridge).
To overcome this situation, the Sewerage and Wastewater Treatment Company has mineralized the area before and in the outlet, sprayed biological products to minimize odors, and pre-treated wastewater before discharging it. river, pick up dead duckweed in front of the outlet.
The unit also builds a temporary dam with sandbags to increase water storage capacity in the sluice, regulates wastewater pumping stations to collect maximum amount of water at peak hours, operates all 3 pumps at HC3 Pumping Station. .
As of June 13, the above measures have limited water overflow at peak hours, except for some cases of thunderstorms, unseasonal rain in the evening, which increases the volume of wastewater.
The unit also cooperated with the authorities to clarify the cause of the wastewater overflowing into the Cam Le River.
The reception of more wastewater volume causes overload, causing overflow
Accordingly, from April 20, the wastewater pipeline construction project from Phan Thanh Tai Street to Thang Long Street will connect the wastewater collection pipeline on Road 2.9 to the current collection system on Thang Long Street to the pumping station. HC3, then pumped to Hoa Xuan Wastewater Treatment Station.
The connection is to overcome the situation of wastewater overflowing at some peak hours at the outlet of Binh Minh Street 6 and the outlet of Tran Thi Ly bridge (due to damaged and degraded pipeline 2.9).
However, the reception of more wastewater volume overloaded the HC3 pumping station, causing overflow at the CSO HC3A/1 outlet (behind the Exhibition Center) and the outlet at CSO HC3/2 (the foot of the Nguyen Bridge). Tri Phuong).
Source: Young People’s Newspaper