Recent survey conducted by Bangkok Metropolitan Administration (BMA) revealed Monday that some 470 spots in the capital city have been submerged under 80cm-high floodwaters.

Overall more than 800,000 residents or almost 10 percent of the city's population in those flood-hit spots have been affected.

Those places are in northern Saimai, Khlong Sam Wa districts, western Nong Khaem, Bang Plad districts and eastern Minburi district of Bangkok.

BMA has instructed local authorities to closely watch people in those spots as a lot of them did not leave their houses.

Until present, 13 districts of Bangkok's overall 50 districts have been affected by the deluge which has ravaged the country since late July, killing over 500 people and affecting more than 9. 4 million across the nation. Floodwater intruded the northern capital city during last week of October and continued to creep into its inner areas.