Water and Wastewater Microbiology.pdf

WaterWater andand WastewaterWastewater MicrobiologyMicrobiology
CharlesCharles HagedornHagedorn
Professor,Professor, CSESCSES
VaVa TechTech
WaterWater andand WastewaterWastewater MicrobiologyMicrobiology
OutlineOutline
. PathogensPathogens andand DiseasesDiseases
. IndicatorsIndicators andand DetectionDetection
. TrendsTrends andand NewNew ResearchResearch
. PathogensPathogens andand DiseasesDiseases -- OutbreaksOutbreaks
WaterborneWaterborne DiseasesDiseases andand thethe fecalfecal--oraloral routeroute
WorldwideWorldwide –– 250250 millionmillion cases,cases, 1010 millionmillion deathsdeaths
. –– 3030--4040 outbreaks/yr,outbreaks/yr, 10,00010,000 casescases totaltotal
(these(these areare averages,averages, rangerange isis wide)wide)
OnsiteOnsite -- 1010--1212 outbreaks/yr,outbreaks/yr, 2,5002,500 casescases
(reporting(reporting notnot required)required)
munity –– 1010--1515 outbreaks/yr,outbreaks/yr, 5,0005,000 casescases
(reporting(reporting isis required)required)
. PathogensPathogens andand DiseasesDiseases -- OutbreaksOutbreaks
WaterborneWaterborne DiseasesDiseases andand thethe fecalfecal--oraloral routeroute
WhyWhy soso lowlow inin thethe .?.?
munity wastewaterwastewater treatmenttreatment
StandardsStandards forfor onsiteonsite systemssystems
TreatmentTreatment ofof drinkingdrinking waterwater
MandatoryMandatory inations
. PathogensPathogens andand DiseasesDiseases -- OutbreaksOutbreaks
WaterborneWaterborne DiseasesDiseases andand thethe fecalfecal--oraloral routeroute
RecreationalRecreational –– 1010--1212 outbreaks/yr,outbreaks/yr, 2,0002,000 casescases
(reporting(reporting notnot required)required)
WhatWhat isis thethe realreal numbernumber ofof outbreaksoutbreaks andand casescases
forfor onsiteonsite failuresfailures andand recreationalrecreational waters???waters???
. PathogensPathogens andand DiseasesDiseases -- BacteriaBacteria
BacterialBacterial PathogensPathogens ––“Th