Ahead of the NSW state election on 25 March 2023, the NSW Government caretaker period has commenced. Limited updates will be made to this website during this period.

Leaking farm dams


This Agfact contains information about the following common causes of dam leakage:
  • the work of a contractor unfamiliar with farm dam construction
  • failure to remove topsoil and vegetation at the embankment site
  • use of an unsuitable soil type in the dam wall
  • failure to construct a cut-off trench
  • poor soil compaction
  • failure to backfill exposed rock, gravel or sand in the storage basin
  • poor maintenance of the dam.


Agfact AC.24 Second Edition

Published: 2004