Location of Fresh-Water Supplies on Lifuka, 1993
HELLOMost of the 3000 inhabitants of Lifuka live in four contiguous villages and have been supplied with water from a well in the middle of the island since 1976. On commencement of operation, the water rapidly became too salty for human consumption. The majority of the island is low-lying and consists of highly porous, uplifted coral limestone. Hydrogeological assessment found the fresh-water lens to be very thin and strongly influenced by tidal mixing, sea level changes and drought. Comparison with the morphology of Bermuda led a search for improved water quality on the western side of the island using geophysical methods and installation of salinity monitoring wells. A younger deposit of shelly, coral sand on the leeward side has a lower permeability, with a thicker fresh-water lens and is under less influence of tidal mixing with salt water.
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| Updated on pacificdata.org | July 22, 2024 |
| Added to pacificdata.org | July 22, 2024 |
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