sewer

an underground pipe or passage that carries sewage (liquid waste) ท่อน้ำเสีย, ท่อระบายน้ำ

Overflow from Khlong Bang Sue has flowed through sewers in nearby areas.

Nan Municipality mayor Suraphon Thiansut said it would take weeks to clean up the garbage and clay littering the roads and clogging sewers.

The AIT had been flooded by water from the National Science and Technology Development Agency (NSTDA) that had penetrated into the AIT through sewers, he said.