Water Distribution Exam 3 Questions & Answer Graded A+

Estimate the abundance of coliform bacteria in water - Answer The Most Probable Number test is a method to Vibrio Vulnifcus - Answer An estuarine bacterium that causes potentially fatal wound infection and is found in raw oysters. If you are immune compromised you are warned not to eat raw oysters. False - Answer The Chesapeake Bay agreement goal of reducing loadings of nitrogen and phosphorus to the Bay will be achieved by 2010. False - Answer Most of the water we withdraw from water sources is used for domestic consumption. TMDL - Answer Total Maximum Daily Load Commerce Clause of the Constitution; Navigation Servitude - Answer Why is the Federal Government involved in the regulation of surface water? Anaerobic digestion - Answer One of the most recoverable resources from wastewater treatment is methane gas, which can fuel engines for electricity generation. From the following list which process produces the methane? 40% - Answer In the United States about what percentage of surface waters are "impaired" as defined under the Clean Water Act? Escherichia coli O157 H7 - Answer A strain of coliform that invades the body and causes hemolytic uremic syndrome (kidney failure) especially in children. Often associated with fecal contamination of food products. Based on a bioreactor full of bacteria - Answer Secondary wastewater treatment is usually Coliforms are - Answer gram negative, facultatively anaerobic, non-spore forming rods that ferment lactose with the production of acid and gas. Irrigation Agriculture - Answer The major consumer of water (as opposed to water withdrawal) in the US Kentucky - Answer States that are included in the Chesapeake Bay watershed include ALL of the following EXCEPT Chlorine - Answer Drinking water is disinfected before distribution by treating it with Dentrification - Answer By which process is nitrogen removed from wastewater? True - Answer Corals are animals, not plants True - Answer Bleaching of corals globally is believed to be caused by high temperatures in the seawater Mycobacterium marinum - Answer A bacterium that causes swimming pool granuloma, fish tank granuloma and lesions on stripped bas sin Chesapeake Bay. This genus also causes tuberculosis and leprosy (Hansens Disease)