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Q-2, r. 22 - Regulation respecting waste water disposal systems for isolated dwellings
Section 87.18
Disposition versions
87.18. Discharge standards: The effluent of a tertiary treatment system must comply with the following maximum discharge standards, according to the type of tertiary treatment system installed:
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Parameter Standard according to the type of tertiary treatment system
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with phosphorous with disinfection with phosphorous removal
removal and disinfection
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CBOD5 15 mg/l 15 mg/l 15 mg/l
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SS 15 mg/l 15 mg/l 15 mg/l
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Total 1 mg/l - 1 mg/l
phosphorous
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Fecal 50 000 CFU/100 ml 200 CFU/100 ml 200 CFU/100 ml
coliforms after reactivation after reactivation after reactivation
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________________________________________________________________________________
Parameter Standard according to the type of tertiary treatment system
___________________________________________________________________
with phosphorous with disinfection with phosphorous removal
removal and disinfection
________________________________________________________________________________
CBOD5 15 mg/l 15 mg/l 15 mg/l
________________________________________________________________________________
SS 15 mg/l 15 mg/l 15 mg/l
________________________________________________________________________________
Total 1 mg/l - 1 mg/l
phosphorous
________________________________________________________________________________
Fecal 50 000 CFU/100 ml 200 CFU/100 ml 200 CFU/100 ml
coliforms after reactivation after reactivation after reactivation
________________________________________________________________________________
One of the standards is exceeded where the concentration for the same parameter in 2 samples collected within a 60-day period exceeds the amount indicated above for that parameter.
