ResidentialWaterloo Biofilters are sustainable septic systems that provide a permanent combination of biological treatment and physical filtration of wastewater not matched by any other treatment technology. CommercialWaterloo Biofilter Systems has extensive experience treating commercial, high-strength, and light industrial wastewaters onsite. Communal & SubdivisionCommunal or clustered decentralized wastewater treatment is a reliable and cost-effective alternative to individual septic systems or the expansion of city sewer mains out to rural subdivisions. Nutrient RemovalWaterloo Biofilters help to reduce environmental risks by removing a large portion of total nitrogen and total phosphorus from incoming sewage before any water is released back to the environment. Rainwater HarvestingRainwater harvesting systems capture rainwater from rooftops, convey it to a storage tank, and filter it before it is used as a non-potable source of water inside or outside your home.