Water is one of the most important things on earth. All plants and animals must have water to survive. If there was no water there would be no life on earth.
The settlement of urban communities in the country. That will develop in the area along the canal by using water, both in the consumer goods, transportation, as well as a source for treatment. In the past.The dirty caused by wastewater has small volume, water resources, can support the wastewater that let down. No spoilage. But when the population is large. The release of waste water into the river.The water then spoilage cannot be used as the original. As is happening in the river several lines in