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Water Portal / Rainwater Harvesting / Groundwater recharge / Check dams (gully plugs)

4 bytes added, 00:51, 2 April 2012
→‎Maintenance
Do not construct check dams in watercourses or permanently flowing streams without specific design (because of possible restrictions to fish passage).
====Maintenance====
Check dams should be inspected regularly for sediment accumulation after each significant rainfall. Sediment should be removed when it reaches one-half of the original height or before. Check to ensure that the flow is over the centre of the dam and not either under or around the dam. Check that there is no erosion at the outfall.
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