after ringing the council for the second time last tuesday i finally got my answer to level 3 restrictions
you may still use hose for earmuffs for outboards, the interesting part was the boat
you must use a bucket to wash your boat, BUT you can use a hose with a trigger to rinse your boat
they are not stipulating this in the paper and probably dont want it known generally, as im sure there would be a lot of whinging from the non boating fraternity