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APHA
SMWW 9711
Pathogenic Protozoa
2023
17
Standard methods for the examination of water and wastewater (543.3 APHA 24th ed. Ref. Treatises&monographs FL2)
Protozoa are an extremely diverse group of unicellular organisms. Although there are many pathogenic species, only a few are considered problems for the water industry. Pathogenic protozoa are widely distributed in water supplies, are relatively resistant to inactivation by chemical disinfectants, and have caused numerous waterborne outbreaks. These organisms generally cause diarrhea or gastroenteritis of varying severity, although more serious consequences (including death) can occur...