Studies by the Bangkok Administration and the Pollution Control Department showed that bacteria contamination in all waterways exceeds the permissible limit by 75 to 400 times.
Bangkok produces 2.5 million cubic meters of liquid waste a day but only 1.5 million cubic meters are treated. The rest is discharged directly into the public waterways. Households in Bangkok are responsible for 75 percent of the water pollution, and less than 2 percent of the households are connected to sewage networks.
"Speaking of the problem gives me a headache, frankly," said Vijarn, the pollution control official.
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