Norwesco 1250 Gallon Two Compartment Bruiser Multi-Use Septic Tank with Two Manholes - Approved in Canada - IAPMO Certified

Where this tank fits

This is a buried septic tank for a house whose system has been sized at 1250 gallons, in a jurisdiction that accepts Norwesco's Canadian approval. It is a deep body rather than a long one: 70 inches tall on a 116 by 55 inch footprint, which keeps the excavation compact where there is room to dig down. Our note on single compartment versus two compartment septic tanks explains what the second chamber does for the drain field, and the guide to Norwesco's IAPMO and CSA B66 septic approvals explains how the Canadian approval differs from the US listings, which is worth reading before you buy this tank for a site south of the border. Confirm the tank size your authority requires for the bedroom count first; the tank sizing guide and the tank sizing calculator get you started.

A 1250 gallon tank holds 10425 lb of water when full. Like every polyethylene septic tank it is filled with water as it is backfilled so the walls are supported from both sides, and a 70 inch tall tank wants that done in stages rather than all at once.

Openings and fittings: what to check before you buy

1. Manholes. Two 20 inch openings with 20 inch lids, one over each compartment. Decide the finished grade before the tank goes in; if the lids will sit below grade, ask us about risers at order time so they ship with the tank.
2. Inlet and outlet. No inlet or outlet fitting is listed with this tank. Tell us the pipe size your design calls for and we confirm what the tank arrives with and what the installer supplies before the order ships.
3. Which end is which. The inlet end sits higher than the outlet end so liquid flows through by gravity. Check the markings before you set the tank.
4. Approval. Norwesco's IAPMO listing and the Canadian approval are the documents the inspector wants to see. Ask us for them with the order.
5. Drawing. Norwesco's drawing for this tank is linked under Technical Drawing on this page and shows the opening positions and invert heights.

Sizes and versions nearby

One size down in the same Canadian line is the 1000 gallon two compartment septic tank with two manholes, part 41724, and one size up is the 1500 gallon two compartment septic tank with two manholes, part 41764. The 1250 gallon two compartment septic tank, part 41746 is the same volume in Norwesco's other two compartment body. Each page carries its own dimensions.

Shipping and receiving

The tank ships LTL under NMFC 156600-02, 116 by 55 by 70 inches and 467 lb, from the nearest of Norwesco's Lancaster, Ohio, Owego, New York and Washougal, Washington plants. The listed price is before freight; the freight cost estimator gives the lane cost to your ZIP. Plan a machine to unload and set a 467 lb tank. At the tailgate, check the part number against 41754, look at both manhole rims for transit damage, and keep the lid seats clean. Bed the tank on a flat, compacted base, set it level, and fill it with water as you backfill.

Questions before you order? Call 866-418-1777.