The outlet or outflow of any system that deals with water flows, for an oxidation pond for biological water purification. It is the product water of the given system. Effluent provides for various useful applications, although much of it is discharged into rivers and large water masses. However, effluent can be utilized for many industrial and irrigation purposes as well. Wetlands and marshes are included in possible areas of enhancement for the purposes of bringing in more wildlife to the surrounding area and even the potential of creating recreational zones. While utilizing effluent for actual consumption has never been a common application, injecting or spraying the discharge into the ground over a non potable aquifer before allowing to seep down is generally done for industrial use.