1.Fisheries, aquatic wastewater make reduce down. Wastewater from toxins can cause the dead fish catch. The wastewater from the amount of oxygen dissolved in water, although it does not make the dead fish immediately. But it may destroy the plant and animal small water.Make fish food. Detrimental on fisheries and the economy. Dissolved oxygen in the water, if the number down to reduce. Immediately, it may make the dead have นอกจากนี้น้ำเสีย also destroy the hotbed to spawn.Which is to stop distribution, make extinct fish have
.2.Public health, water is the source of spread germs cause epidemic diseases such as cholera, typhoid, dysentery, as a source of culture, which is the carrier of mosquito disease of some kind. Such as malaria, dengue fever, and pollutants mixed in water.Other diseases such as Minamata. Caused by eating fish with high mercury Luk Thung, caused by obtaining substance cadmium
.3.Water production platform.) and consumer goods. Water affect the drinking water production, water use, the water for producing water from rivers, canals, when water pollution as a result. Water quality decline.4.Agricultural wastewater affecting the cultivation and animal waste that causes damage to the agriculture water at most a pH is high. Water quantity of inorganic salt or organic high, etc.Agriculture itself, such as irrigation, build dam water use for agriculture. The properties of water in nature consists of inorganic salt additives, in particular, sodium chloride, while water use for agriculture.Inorganic salt content which has evaporated residue in the soil. When has accumulated a lot of salt content in the soil, increase, make saline soil is not suitable for cultivation. Quantity of inorganic salt residues may be washed away after the rain.Inorganic salt is transmitted into the river eventually
.5. Beauty and recreation, rivers, streams and other water clean is naturally beautiful use of recreation. Like the play boat, fishing, swimming, etc.
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