Polyethylene Septic Tanks For Residential And Commercial Installations

Canwest Tanks has a complete line of septic tanks as well as septic related tanks and accessories made from high density linear polyethylene (HDPLE) in sizes approved for single- and multi-family homes, seasonal camps, RV parks and industrial/commercial applications.


We can supply any tank you will need to complete your septic system, from house to the field.


All septic tanks are provided complete with lids, inlet and outlet installed.

Single Chamber Septic Tanks – Working Volumes

Click on the model number to open the technical drawings and specifications.

Model# Imp. Gal. US Gal. Litres Diameter Length" Height"
RKS800 800 960 3637 52 1181/4 613/4
RKS1000LP 1000 1200 4546 50 132 53
RKS1250LP 1250 1500 5682 68 154 59
RKS1350LP 1350 1620 6137 68 154 59
RKS1400LP 1400 1550 6364 68 154 56

Two Chamber Septic Tanks – Working Volumes

Click on the model number to open the technical drawings and specifications.

Model# Imp. Gal. US Gal. Litres Diameter Length" Height"
RKS800/2 800 960 3637 52 1181/4 613/4
RKS1000LP/2 1000 1200 4546 50 132 53
RKS1250LP/2 1250 1500 5682 68 154 53
RKS1350LP/2 1350 1620 6137 68 154 59
RKS1400LP/2 1400 1550 6364 68 154 56
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