A disused mine in Foxdale could get a temporary treatment plant as the Department of Environment, Food and Agriculture plans to take contaminated silt there.
DEFA has submitted a planning application to take silt dredged from Peel Harbour and stored in ponds, and treat it at the Cross Vein Mine - commonly known as Snuff The Wind.
In its proposals, the department says the silt would be used to cap the mine.
If approved the plans would see a settlement pond, temporary treatment plant, access tracks, drainage ditches, perimeter fencing, and worker facilities built at the site.
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