overflow

(of a river, canal or other body of water) to flood the land next to it (The water that does this is also called overflow) เอ่อล้น, ไหลล้น

Water from Klong Prapa has overflowed to flood Chaeng Wattana Road in front of the Government Complex, making the road impassable for small vehicles.

The Bangkok governor has agreed to release some water but city authorities have raised fears that could overflow a key canal and flood the city centre.
   
Ancient stupas at Wat Chai Watthanaram are left under two metres of floodwater after overflow from the Chao Phraya River burst through an embankment and inundated the temple’s compound