Any of several processes in which undesirable impurities in water are removed or neutralized; for example, chlorination, filtration, primary treatment, ion exchange, and distillation. It includes treatment of WASTE WATER to provide potable and hygienic water in a controlled or closed environment as well as provision of public drinking water supplies.
The presence of bacteria, viruses, and fungi in water. This term is not restricted to pathogenic organisms.
Water containing no significant amounts of salts, such as water from RIVERS and LAKES.
Fluids composed mainly of water found within the body.
Electrophoresis, Polyacrylamide Gel
Chromatography, Ion Exchange
Contamination of bodies of water (such as LAKES; RIVERS; SEAS; and GROUNDWATER.)