Fig. 4From: Impact of wastewater treatment plants on microbiological contamination for evaluating the risks of wastewater reuseMean concentration (± standard deviation) (Log GU/L) of Legionella spp. and Leg. pneumophila in WWTP samples (I: influent; E: effluent; NDE: pre-disinfected effluent; DE: post-disinfected effluent; 1: WWTP1; 2: WWTP2; 3: WWTP3)Back to article page