Industrial waste, such as industrial plant, fishmeal factory. Dairy products Flour mill plant, most canned foods made with organic protein they. Carbohydrates are the most contaminated organic effluents are released with this it will be digested causes the effect. As well as the waste water that is discharged from the community. In addition, there may be other types of bacteria and the toxins too. Depending on the type of plant, such as mercury from the manufacturing plant, sodium hydroxide, which is toxic to animals and aquatic water consumers in addition, effluents from the factory, making certain types of water source saphapkrot changes, such as waste water from paper mills has a very high pH values. Waste water from factories, power plants, such as from certain categories may cause the water temperature to change. This condition is not suitable for living creatures in the water.