Douglas council says it's reviewing CCTV to find out who contaminated a waste oil container at the Civic Amenity Site.
On Facebook, the local authority said someone had poured sand into the container at the weekend.
It means the oil can't be sent to the Energy from Waste facility.
The council says it's investigating the incident because the container will have to be sent off-Island to be decontaminated.
Nominations open for 10 local authority by-elections
Nominations have now opened as the Island prepares for 10 by-election campaigns.
MHK wants answers on support for home-schooled children
What support is available to families who choose to home educate their children?
Weather warning for tonight and tomorrow
Forecasters say we can expect more coastal overtopping during the next two high tides.
Mountain Railway damaged by gales
One of the Island's historic railways will be out of action until at least Thursday.
Ten local authorities looking for members in December elections
There'll be a big day for local authorities in December - when 10 by-elections are due to be held.
Don't sweat Met threat on internet
If you've had emails from the Metropolitan Police containing legal threats about an investigation that needs your cooperation, don't panic.
Commissioners unveil mission statement for parish
A local authority in the west of the Island has unveiled its mission statement after months of consideration.
Douglas Council says its annual firework display will take place on the first evening of late-night shopping in the run-up to Christmas.
