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Natural rock catchment and Open water reservoir

128 bytes added, 18:44, 5 April 2012
Suitable conditions
- Maintenance is simple and cheap <br>
- Rock catchments do not occupy farmland and often no one owns the land, so it easy to implement<br>
- People have been used to draw water from rock catchments since the first structures were built in the middle of the 1950s<br>
| con=
- Not many sites suitable <br>
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