Download presentation
Presentation is loading. Please wait.
Published byMarjory Flowers Modified over 9 years ago
1
Waterborne Diseases Water Quality Coliform Counts Lactose + gas Extinction Dilution Most Probable Numbers – MPN EMB agar
2
Fecal Coliform Membrane Filter E. coli counts Enzyme substrate MUG IBGD 100 ml +/- Test
3
Wastewater 100-200 gal/day/person BOD Biochemical Oxygen Demand Water Quality Measure?
4
Sewage Treatment Primary Treatment Settling Tank Sludge Septic Tank
5
Secondary Treatments Aerobic Activated Sludge Trickling Filters
6
Anaerobic Treatment Sludge Digesters Methane Vented or Used?
7
Other Treatments Biodiscs Chlorine, Ozone, UV Tertiary treatment
8
Drinking Water Purification Potable Water Sedimentation Basin Alum Coagulation Sand Filter Chlorination
9
Cholera Vibrio cholerae 7 Pandemics 2 Biotypes El Tor & Classic O-1 Waterborne Diseases
10
Legionnaires Disease Philadelphia 1976 Legionella pneumophilia Erythromycin Complex Nutritional requirements Pontiac Fever
11
Protozoan Diseases Giardia lamblia Cysts 97% surface water Cryptosporidium parvum 1993 Milwaukee 403,000 cases
12
Other Waterborne Diseases Viruses Polio, Hepatitis Typhoid Fever Salmonella typhi Entamoeba histolytica Amoebic Dysentery Shigella dysenteriae
Similar presentations
© 2025 SlidePlayer.com. Inc.
All rights reserved.