Lagoons and oxidation ponds.
D001419:Bacteria; D056890:Eukaryota; D006863:Hydrogen-Ion Concentration; D007220:Industrial Waste / Q000517:prevention & control*; D008722:Methods; D010101:Oxygen Consumption; D013696:Temperature; D014871:Water Microbiology; D014876:Water Pollution
D007220:Industrial Waste