AWWA ACE59935

This slide presentation outlines information on tertiary treatment and other methods for pathogen risk reduction. Topics covered include: evaluate ongoing average Giardia and Cryptosporidium levels in finished reclaimed water in central Florida; calculate risk based upon prevalence and viability; filtration, elution & concentration; Cryptosporidium levels in finished reclaimed water in central Florida; Cryptosporidium oocysts detected in finished reclaimed water by US Environmental Protection Agency (USEPA) 1623; matrix spiked Cryptosporidium oocyst detected by USEPA 1623; giardia levels in finished reclaimed water in central Florida; Giardia trends in central Florida reclaimed water plants; protozoa levels in finished reclaimed water in central Florida; percent of reclamation plants average protozoa levels at or below Florida guidelines; number of reclamation plants with average protozoa levels below detection (n=13 plants); summary of central Florida reclaimed water monitoring; recently reported Cryptosporidium and giardia in reclaimed water; viable Cryptosporidium in finished reclaimed water; risk of infection for consuming reclaimed water containing Giardia cysts and infectious Cryptosporidium oocysts; and, reducing the risk by advanced treatment processes.