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The lateral-flow sand filter (LFSF) is an alternative system for household septic-tank effluent treatment that utilizes periodic or continuous surface discharge. The purpose of this study was to ...

The provincial Department of Environment and Climate Change sets the rules about how septic tanks are installed. But when it's full, it's up to property owners to find a private hauler to pump it out.

Septic systems rely on the natural filtration of the soil to eliminate the worst contaminants in the water. But most are designed to filter out only disease-causing bacteria and viruses.

Michigan State University. "Septic tanks aren't keeping feces out of rivers, lakes." ScienceDaily. ScienceDaily, 3 August 2015. <www.sciencedaily.com / releases / 2015 / 08 / 150803154850.htm>.

The discharge rate from a septic tank or small sewage treatment plant must be less than 2cu m/day. The sewage must receive treatment from a septic tank and filtration system or a sewage treatment ...