What do you mean by Biochemical Oxygen Demand $(BOD)$?
(N/A) Biochemical oxygen demand $(BOD)$ is the amount of dissolved oxygen required by aerobic microorganisms to decompose the organic matter present in a given volume of a water sample at a specific temperature over a specified time period.
Clean water typically has a $BOD$ value of less than $5 \ ppm$,whereas highly polluted water has a $BOD$ value of $17 \ ppm$ or more.
Clean water typically has a $BOD$ value of less than $5 \ ppm$,whereas highly polluted water has a $BOD$ value of $17 \ ppm$ or more.
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$BOD$ value of water is $20 \ ppm$. Then what can you conclude regarding water?
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