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Natural rock catchment and Open water reservoir

63 bytes added, 17:31, 5 April 2012
→‎Suitable conditions
==Suitable conditions==
* The rock that makes up the catchment should be bare and free of vegetation/soil. It should have no fractures or cracks that would result in a loss of water through seepage.
* Site the dams for rock catchments to maximize the natural topography – to get the best storage volume, make build on gorges between rocks, rock pools, and rock shelves. Make dams on the lower side of existing rock pools.
{{procontable | pro=
- High runoff coefficient = is similar to roof catchments in that , even small showers produce water <br>
- Minimal seepage <br>
- Maintenance is simple and cheap <br>
Winona
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