Question 6003 of 229 · California Water Distribution Operator Exam
A positive E. coli result in a drinking water sample indicates what?
Exactly one answer is correct.
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Correct answer to question 6003
- B: Fecal contamination
Explanation
E. coli lives in the intestines of warm-blooded animals, so its presence points to sewage or animal waste. It is treated as an acute health risk.
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