The Vietnam-Taiwan Sugar Company in Thach Thanh District was discharging untreated wastewater into a canal and emitting contaminated smoke into the air.
Test results from the provincial Department of Natural Resources and Environment showed that the company released untreated wastewater into a nearby canal running through the San village.
The test also revealed the company discharged contaminated smoke into the air, and that it contained 3.64 times more than the allowed level of carbon monoxide.