Holding Tank

These 300-gallon waste water holding tanks are a necessity for office trailers that have restrooms and or a sink inside. A complete solution for any construction site office trailer, temporary business offices and special events in need of bulk waste storage.


These strong, impact-resistant polyethylene holding tanks are designed with recessed ports to accommodate various plumbing configurations and against breakage. The fittings are molded, not spin-welded to provide greater strength. The holding tanks can be connected end-to-end with standard rubber fittings to increase waste storage as needed.

  • Interlocking stacking posts/pockets on all four corners
  • Recessed ports and connections
  • Two internal pillars for added strength
  • Thickened corners
  • Made out of durable poly
  • 300-gallon capacity tanks
  • Ideal for job site office trailers
  • Heavy-duty thick wall construction
  • Optional hook-up provided by AREA Restroom (call or email to inquire)

Product Specifications

  • Height: 16.35”
  • Width: 60”
  • Length: 95”
  • Water: 300 gal
  • Weight: 136.3 lbs.