BIOGRAPHY OF A RIVER

Swimming Pools1 fecal coliform/100mlNon-coastal Swimming Beaches200 fecal coliforms/100mlIncidental/Recreational (not swimming)2000 fecal coliforms/100 mlCoastal Swimming Beachesstandards same as Incidental/RecreationalFish and Wildlife -June-September 1,000 fecal coliforms/100ml-October-May 2,000 fecal coliforms/100mlFor water that is to be used as a drinking water source, the Safe Drinking Water Act does not specifya maximum fecal or total coliform level prior to treatment. However, water that is to be used fordrinking purposes must be sampled for total coliform bacteria, on a schedule based on the watersystem’s user population. No more than five percent of these samples may contain any type ofcoliform.Termsaerobic: with oxygen; needing oxygen for cellular respirationanaerobic: in the absence of oxygen; able to live and grow where there is no air or freeoxygen, as certain bacteriaaseptic: free or protected from disease-producing or putrefying microorganismscommensal relationship: a relationship between two organisms in which one is benefited by t herelationship and the other is neither benefited nor harmedfacultative anaerobic: describes an organism that can use another electron accepting moecules otherthan oxygen for cellular respiration, if oxygen is not presentferment: to break down sugars only partially, producing a gas (usually CO ) and alcohol2gram negative: the result of a certain laboratory test done on microorganisms to divide them intotwo groups (either gram negative or gram positive). Gram negative bacteria have a cellmembrane composed of lipopolysaccharide and protein.incubation: the phase of development of a disease between the infection and the first appearanceof symptomsindicator organism: an organism whose presence or absence typically indicates or providesinformation on the certain conditions within its environment3-68