All Germs
Germs

Legionella pneumophila

UV doses per log reduction

918273661D90 · 90 %122D99 · 99 %183D99.9244DVGW 4-log30599.999 %36699.9999 %mJ/cm²LOG-REDUKTIONS-STUFE

Medium & classification

Water
Bacterium (vegetative)
Test wavelength 280 nm

UV resistance

Moderate

24 mJ/cm² are needed for 4-log reduction — classification for system sizing.