Hosepipe ban introduced last month
Reservoir stocks on the Island remain 13% lower than normal for this time of year, with levels having not increased over the last week.
The latest figures from Manx Utilities show its four reservoirs are at a combined 68% capacity.
Sulby, the Island's largest reservoir, saw a 1% decrease over the last seven days to 67%, while Kerrowdhoo is down 5% to 61%.
West Baldwin was the only reservoir to see its levels increase, rising from 71% capacity to 74%.
Last month, Manx Utilities introduced a hosepipe ban to protect the Island's water supply.
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