Question 2011 of 234 · California Wastewater Operator Exam
Which of the following is a typical value for untreated domestic wastewater BOD?
Exactly one answer is correct.
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Correct answer to question 2011
- A: About 200 mg/L
Explanation
Typical medium strength raw domestic wastewater has a BOD of around 200 to 250 mg/L and TSS of a similar level. Treated effluent is generally under 30 mg/L.
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