Stocks had stood at 90% last month
Reservoir levels on the Isle of Man have dipped below 80 per cent for the first time this year.
Manx Utilities' latest figures show stocks across its four reservoirs are at 79 per cent.
It's a drop of more than 10 per cent compared to this time last month.
Bus timetable changes in place for Pre-TT Classic Race Day
Services revised due to Billown Circuit road closures
Roads set to close this afternoon as Pre-TT Classic Races continue
Roads to close from 1pm as racing set to go ahead following rain-hit opening day
Public Health urges safe sex during TT fortnight
Public Health highlights sharp rise in clinic attendances and STI tests following last year’s TT
Mountain Road set to reopen at midday after extended closure
Department of Infrastructure confirms one-way system will remain in place from Ramsey to the Creg Ny Baa
Police urge TT visitors to ride safely on journey to the Isle of Man
Lancashire officers welcome bikers at Heysham Port and remind them to stay within their limits on the road