Residential Summary
Lifewater Engineering Company’s offers above ground and below ground ExtremeSTP® residential sewage treatment plants. The above ground units are specifically designed for areas where permafrost, bedrock or other ground or soil conditions make it impractical to install a below ground system. For the above ground systems, the preferred location for discharge is undisturbed, thick, natural vegetation such as a black spruce forest floor, the tundra surface, or a peat bog.
Lifewater’s residential ExtremeSTP® sewage treatment plants:
• Will operate at -60oF (-53oC), provided reliable electrical power is available
• Will not corrode and never need painting
• Are sized for aircraft transport to remote northern communities
• Utilize submerged fixed film activated sludge aerobic sewage treatment
• Include UV disinfection
• Include an effluent pump
The following types of systems are available:
• Double-walled, fully insulated systems for outdoor installation above ground
• Single-walled, uninsulated systems for indoor installation
• Single-walled, insulated or uninsulated systems for installation below ground
The following optional equipment is available for residential or small commercial use:
• Arctic outdoor lift station (to lift raw sewage up into an above ground treatment plant)
• Thermosyphon (to keep the permafrost underneath the system frozen )
Residential System Selector
| No. Bedrooms | No. People |
Water Hauled to Site |
Water Piped to Site |
Onsite Water Well |
| 1 | 1 to 2 | SST150 | SST150 | SST150 |
| 2 | 1 to 4 | SST150 | ||
| 3 | 1 to 6 | SST150 | ||
| 4 | 1 to 8 | SST600 | SST600 | SST600 |
Larger Homes or Apartment Buildings
Larger models are available for larger homes and apartment buildings.
Subdivisions
Systems suitable for subdivisions are described under Village, Subdivision, or Cluster Systems
ExtremeSTP (XSTP)®
Available models:
The Separett Toilet
Separett® waterless toilets are designed to be placed in homes and cabins where there is no access to septic systems, or where a homeowner desires to use less water.
Village, Subdivisions and Cluster Systems
Fixed film or membrane bioreactor systems provide alternatives to lagoons and traditional wastewater treatment plants.
SST1200 (fixed film)



