Witherbee & Whalen, Inc. Concrete Products

• 500 Gallon Septic Tank
• 1000 Gallon Septic Tank
• 1000 Gallon 2 Compartment Low Profile
• 1250 Gallon 2 Compartment
• 1500 Gallon 2 Compartment
• 2000 Gallon 2 Compartment
• 1000 Gallon Tank w/ combined
  500 Gallon Pump Tank
• 1300 Gallon Tank w/ combined
  660 Gallon Pump Tank

• 300 Gallon Effluent Pump Tank
• 100 Gallon Grinder Pump Tank
• Secondary Containment Tanks
  (600 or 1200 Gallon)
• 550 Gallon Drywell
• Cleanout Risers and Rings
• Distribution Boxes
• Feed Bunkers
• Parking Blocks
• Rain Drains

550 Gallon Drywell

Gallon Capacity	---	550
Weight (lbs.)	---	3,000
Length	---	96"
Width	---	60"
Height	---	30"
Height to center
of inlet	---	24"
of outlet	---	24"
All steel reinforced. Optional side inlet.