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Welcome Newmarket Pre-cast Concrete Products

Newmarket Pre-Cast has been in business serving southern Ontario since 1960. We specialize in septic tanks, holding tanks, oil & grease interceptors, syphon/pumping chambers, storage sheds and retaining walls. The business was originally started in Newmarket, Ontario by Roy Weddel, by installing septic tanks for customers, and by providing exceptional customer service. In those, days it was the supplier who told the customer when and if they could deliver and install their septic tanks, Roy decided to change this way of business and we still hold that standard today.


  • LOW Model 22500 Fire/Water Storage Tank
  • Model 36000 Septic 2 Piece Tank
  • Model 27500 Holding 2 Piece Tank
  • Model 22500 Holding 2 Piece Tank
  • Fittings
  • 675 Pumping Chamber
  • LOW Model 3600 Holding 1 Piece Tanks
  • Model 4500 Septic w/1350 Pumping Chamber
  • Model 6800 Holding 1 Piece Tank
  • LOW Model 27000 Septic 2 Piece Tank