1000 Gallon Precast Concrete Septic Tank

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1,000 Gallon Septic Tank Overview

1000 gallon concrete septic tank drawing.Designed to hold 1000 gallons of liquid, this mid-seam style tank offers the ability to run the pipe from the house to either one of its side or center inlets. The same option is available on the outlet of the tank, going out to the leach field from its side, or out of its middle outlet. Polylok IV closed-end boots are used for the tank’s penetrations, giving a flexible, watertight connection to the pipe entering and leaving the precast structure. Meets all best-practice requirements of ASTM C 1227 & NPCA.


  • 1000 gallon septic tank is used in 2 bedroom systems.
  • Often used as a pump station.
  • Was the standard size in NH for many years, is the standard in Maine.
  • This is the smallest size recommended for use as a grease trap.
  • Is delivered pre-assembled for ease of installation

* Details shown are NH-specific; for details of other states’ specifications.

You may also be interested in these popular precast concrete septic tanks.

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