USGS Ohio Water Science Center

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Analytical Methods

ACTINOMYCETES AND CYANOBACTERIA

The OWML analyzes samples for other types of bacteria that are not indicator bacteria.

  • Actinomycetes are not fecal organisms. They are a group of bacteria with fungal-type morphology and are nuisance organisms in water and wastewater treatment processes. Most actinomycetes form chemicals which impart an earthy-musty odor to public water supplies.
  • Cyanobacteria are a group of bacteria capable of photosynthesis. Some strains are capable of producing cyanotoxins which are harmful to humans and animals. This toxin production along with the resultant green, blue-green, or brown colored water and mats are referred to as cyanobacterial harmful algal blooms (cyanoHABs), although cyanobacteria are not technically algae.

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Actinomycetes

Cyanobacteria.

Cyanobacteria

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