List of Organisms Inactivated by Germicidal UV Light December 19 2013

Here's a list of some of the organisms that are inactivated by exposure to UV light.  After the name of the organism the UV dose required to achieve 99.9% inactivation is listed.  The dose units are milli-Joules per square centimeter (mJ/cm²).  Keep in mind that all UV systems sold by aQuatell deliver a minimum of 30mJ/cm² dose and many of our systems deliver a minimum of 40mJ/cm² dose.  This is of course assuming proper water quality parameters and system upkeep are met.  Here's the list:



Agrobacterium lumefaciens, 8.5

Bacillus anthracis (vegatative Anthrax), 8.7

Bacillus anthracis (spores), 46.2

Clostridium tetani (Tetanus), 23.1

Clostridium botulinum (Botulism), 11.2

Corynebacterium diphtheriae (Diptheria), 6.5

Dysentery bacilli, 4.2

Eberthella typhosa, 4.1

Escherichia coli (aka e.coli), 6.6

Coliform species, 6.6

Legionella species, 2.5 - 5.5

Legionella pneumophila (Legionnaire's disease), 12.3

Leptospira canicola (infectious jaundice), 6.0

Mycobacterium tuberculosis, 10.0

Pseudomonas aeruginosa, 10.5

Salmonella species, 6.1 - 15.2

Shigella species, 3.4 - 7.0

Staphylococcus species, 5.8 - 6.6

Streptococcus species, 3.8 - 10.0

Vibrio comma (Cholera), 6.5


Protozoan Cysts:

Cryptosporidium parvum, 10.0

Giardia lamblia, 10.0



Adenovirus, 4.5

Bacteriophage, 6.6

Coxsackie, 6.3

Rotavirus, 24.0