Greywater System Trench

The following info may be useful for Goolawah owner/builders – it was supplied by Jack Dickey, Environmental Officer at Kempsey Council, as it’s not contained on Council’s website.

The trench diagram details construction requirements. Dickey mentioned that a one bedroom dwelling must have a 10m long trench, and a grease trap between the dwelling and the trench.

Although it shows perforated pipe, plastic RELN mounds have also been successfully used.

ETA Bed Design Guide

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