Office Holding Tanks

Rent-A-John’s 250-300 gallon holding tank allows for maximum waste storage. Holding tanks are sanitary receptacles for waste where indoor plumbing is not an option. Both functional and discrete, PolyJohn holding tanks are a necessity for any long-term portable restroom rental. Whatever your need, our customers and your guests can be assured that waste is being stored safely.

Made of extremely durable plastic, and easily compatible with different plumbing configurations, we can ensure that your rest area remains as clean and uncluttered as possible. Specialized design means that our holding tanks can be used with many of our portable restrooms or sink models interchangeably.

Key Facts

  • Heavy-duty Thick Wall Construction
  • Ideal for Bulk Waste Storage Under Trailers on Job Sites
  • No Threaded or Cemented Joints
  • Accepts Fernco®, Rubber Couplers and Clamps
  • Also Available in Natural Color that Reveals Fluid Levels from a Distance
  • Discrete Appearance
  • Compatible with a Variety of Plumbing Configurations

Available Services

  • Delivery & Pickup
  • Disposal of Wastewater


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