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Question
High coliform count in water is an indicator of
High coliform count in water is an indicator of
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Solution
The correct option is D Sewage contamination
Coliforms are bacteria present in the digestive tracts of humans and are excreted in their wastes. The most basic test for bacterial contamination of a water supply is the test for total coliform bacteria. Total coliform counts give a general indication of the sanitary condition of a water supply. A high coliform count in water is an indicator of sewage contamination. Thus, the correct answer is option C.
Coliforms are bacteria present in the digestive tracts of humans and are excreted in their wastes. The most basic test for bacterial contamination of a water supply is the test for total coliform bacteria. Total coliform counts give a general indication of the sanitary condition of a water supply. A high coliform count in water is an indicator of sewage contamination.
Thus, the correct answer is option C.
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