Welcome Newmarket Pre-cast Concrete Products

Newmarket Pre-Cast has been in business serving southern Ontario since 1970. 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, Brian’s father, started in the business 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.


  • Model 4500 Holding 1 Piece Unit
  • Model 68200 Fire/Water Storage Tank
  • Model 6000 Interceptor
  • Standard Catch Basin
  • Model Low 9000 Holding 1 Piece Unit
  • 410 Pumping Chamber
  • Small Distribution Box
  • Model 3600 Holding 1 Piece Unit
  • Model 45400 Holding 2 Piece Unit
  • Model 22500 Septic 2 Piece Unit