The preference for septic tank systems use is partly because of their relative simplicity low costs and treatment capabilities however their performances is highly variable and they often produce effluent with varied quality septic tank systems often fail due to aging user neglect poor management and lack of maintenance posing risks to.
Quality of septic tank effluent.
Aerated wastewater treatment systems were found to perform to accreditation guidelines.
Quality of the discharged effluent.
It has been verified in sample events 1 and 2 that target flow rates have been successfully achieved.
We offer gravity effluent filters that can handle anywhere from 800 gpd to 10 000 gpd and are available in 1 16 and 1 32 filtration ensuring we have a septic filter for nearly every application.
Our septic tank effluent filters are perfect examples where innovation and quality come together.
Results from studies of septic tank effluent quality indicated that the effluent is of poorer quality than currently suggested by guidelines.
Residential septic tank waste strength septic tank effluent will vary in quality according to the characteristics of the wastewater and condition of the tank.
However insufficient nutrient data is presently available to assess nutrient loads.
Septic tank additives have been promoted by some manufacturers with the aim to improve the effluent quality from septic tanks reduce sludge build up and to reduce odors.
Effluent leaving a conventional septic tank one not equipped with an effluent filter typically has concentration of 150 to 250 mg l for bod 5 40 to 140 mg l for tss and 20 50 mg l for.