Parameter

Description

Target Value

BOD5

Indicator of the amount of organic matter in the water.

<25 mg/l

COD

Total amount of oxygen required to oxidize all organic matter.

<125 mg/l

SS

Can obstruct the treatment system and affect its efficiency.

<35 mg/l

Nitrates

High concentrations can cause eutrophication of water bodies.

<50 mg/l

Total Kjeldahl Nitrogen (TKN)

Sum of organic nitrogen, ammonia, and ammonium.

<30 mg/l

Phosphates

Can contribute to eutrophication, similar to nitrates.

<2 mg/l

Fecal coliforms

To prevent health risks.

<1000 CFU/100ml