Effluent treatment facility is installed for biological treatment of the effluents. The effluent bears large amounts of organic matter. The direct discharge of the effluent into the water bodies causes depletion of DO of the water Effluent treatment plant cleans industrial effluents, contaminated water from outlet pipes, reservoir, rivers, lakes etc and reclaim the water resource for using in different purposes. ETP are mostly installed in industries like textile industry, Medicine manufacturing, leather industry, and chemicals industry