Tank Test: Keep the Water Out

Two standard tests can determine whether a septic tank or other tank is watertight and therefore suitable for installation.
Tank Test: Keep the Water Out
A concrete tank installation shows three critical locations that must be sealed properly to maintain a watertight tank: the inlet and outlets for the piping, the top seam, and the connection between the tank and the riser.

When we conduct workshops and discuss inspecting and installing sewage tanks, we always stress that they need to be watertight. This usually leads to quite a discussion of what constitutes watertight, why it is important, and what happens if tanks are not watertight.


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