The Bangkok Metropolitan Administration (BMA) is stepping up efforts to prevent possible flooding along Charoen Krung Road and nearby areas.
The BMA and engineers are monitoring the water volume of the Chao Phraya River.
The Sathon area is prone to flooding, reportedly caused by runoff from the North. Officials aim to prevent floods along the road's residential and economic zones.
First built during the Rattanakosin era, Charoen Krung is the oldest road in Bangkok and runs along the river. It also runs past many landmarks, from the Grand Palace to Chinatown and the south of Bangkok.
In the past five days, the area has been flooded, so that monitoring will continue for the rest of the month.
Piles of sandbags had been set up around the Fish Marketing Organisation, which is in one of 76 flood-prone areas, to prevent water and sewage from affecting it.
Meanwhile, Bangkok governor Chadchart Sittipunt said the BMA is monitoring the water situation. He said water levels may rise due to the northern runoff, causing floods from today to Sunday.
The BMA is also preparing to handle water discharged from the Pasak Jolasid Dam in Lop Buri and the Chao Phraya Dam in Chai Nat province.