what concentration of chlorine (free/total) is allowed for a healthy creek?

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what concentration of chlorine (free/total) is allowed for a healthy creek?

i'm doing a study on chemistry of a creek for a high school science project and i need to know at what concentration of chlorine is the maximum for healthy and regular growth of organisms...

2007-01-10 17:06:51 · 1 answers · asked by kz 4 in Environment

1 answers

EPA has set a target limit of 0.5 mg/L (average monthly limit) and 0.75 mg/L (average weekly limit) for fresh surface water bodies.

Source: Code of Federal Regulations

2007-01-10 17:13:13 · answer #1 · answered by The answer guy 3 · 0⤊ 0⤋