Organism

Per gram of feces

Protozoan parasites

106 - 107

Helminths

Ascaris

104 - 105

Enteric viruses

Enteroviruses

103 - 107

Rotavirus

1010

Adenovirus/Norovirus

1011

Enteric bacteria

Salmonella spp.

104 - 1010

Shigella

105 - 109

Indicator bacteria

Coliforms

107 - 109

Fecal coliforms

106 - 109