Hot Tip #153 Leaking Washroom Trenches

Did you know that EPA estimates that 70% of all laundry washroom trenches leak water into the underground aquifers?

To help prevent leakage, make sure future trenches are formed and filled monolithically.

To check present trenches, an inflatable plumbers’ plug can be used in drain line.

Once plug is in place, fill trench, and observe trench water level.

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