Parameters

Description

Target value

BOD5

Indicator of the amount of organic matter in the water.

<25 mg/l

COD

Total amount of oxygen needed to oxidize all organic material.

<125 mg/l

SS

Can clog the treatment system and affect its efficiency.

<35 mg/l

Nitrates

High concentrations can cause eutrophication of water bodies.

<50 mg/l

TKN

Sum of organic nitrogen, ammonium, and ammonia.

<30 mg/l

Phosphates

Can contribute to eutrophication, just like nitrates.

<2 mg/l

Fecal coliforms

To prevent health risks.

<1000 CFU/100ml