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The Infiltrator IM-300 is a lightweight, strong and durable pump tank. This watertight tank design is offered with Infiltrator’s line of custom-fit risers and heavy-duty lids. Infiltrator injection molded tanks provide a revolutionary improvement in plastic tank design, offering exceptional long-term strength and watertightness.

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50.9”W x 50.9"L x 50.5"H
(1293 mm x 1293 mm x 1283 mm)

110 lbs ( 50 kg)

Total Capacity
322 gal (1219 L)

Working Capacity
278 gal (1052 L)

Burial Depth
Minimum 6" (152 mm)
Maximum 52" (1321 mm)


  • Strong injection molded polypropylene construction
  • Lightweight plastic construction and inboard lifting lugs allow for easy delivery and handling
  • Integral heavy-duty green lids that interconnect with EZsnap risers and pipe riser solutions
  • Structurally reinforced access ports eliminate distortion during installation and pump-out
  • Reinforced structural ribbing and fiberglass bulkheads offer additional strength
  • Can be installed with 6” to 52” (152 to 1,321 mm) of cover
  • Can be pumped dry during pump-outs
  • Suitable for use as a pump tank, or rainwater (non-potable) tank
  • No special water filling requirements are necessary
  • The tank may be backfilled with suitable native soil.

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