Water pollution is caused by the settlers of the community in the country, Thailand is often located on the area of river canals. Based on the sources of water in the consumer transportation as well as a source of support and waste water. In the past There are a number of people. The amount of dirt that is caused by polluted water, it's a little different water sources, so it can accommodate wastewater disposal into the release. Not result in spoilage, but when there are a lot of population. Provide wastewater into rivers, canals, more than the water until it is supported. Water birth is no spoilage can be useful, for example, that the same is happening in many rivers, canals, in the country of Thailand. Draining wastewater from households, housing Industrial and restaurant down to the river and canals, without treatment, cause, causing water pollution, such as sewage problems in the Chao Phraya River.
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