4000m3 water tank
This 4,000m3 water reservoir has two functions: to irrigate
and to provide a water reserve in case of fire.
in case of fire. The water for this reservoir is drawn from the groundwater
from the Oliviers well.
Market garden produce, which can be eaten raw
such as tomatoes, cucumbers, lettuces and radishes
must be irrigated with good-quality water.
quality water. However, groundwater withdrawals for market gardening
for market gardening is rationed on the island. In fact, over-abstraction
too high a level of groundwater withdrawal causes the salinity
inland, leading to salinization of the water table. However, the threshold
threshold for drinking water is 250mg sodium chloride per litre
per liter, a value almost always exceeded at
Porquerolles.
