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 2700 Holding 1 Piece Unit
  • Model 3600 Septic 1 Piece Unit
  • Model Low 11250 Holding 1 Piece Unit
  • Model 50 - Precast Concrete Utility/Storage Unit
  • Model 4500 Septic 1 Piece Unit
  • Model 3078 Interceptor
  • Model 32000 Holding 3 Piece Unit
  • Model 13500 Holding High Water
  • Model 32000 Fire/Water Storage Tank
  • Model 45400 Holding 2 Piece Unit