If you look at the dredges they use in Florida man-made lakes and canals are a trash pump like you have with a high pressure pump (firefighter pump or pressure washer) spraying a jet right at the trash pump intake to loosen the muck and break up the leaves and junk to pieces small
enough to pass through the pump.
Another option if you have a helper and can get a clear pass with a 4wd or
tractor is an old slip scoop. They were for moving earth with a horse. It would be a real red neck hold my beer way to do it but it
should work.
"You must be the change you want to see in the world." "First they ignore you, then they laugh at you, then they fight you, then you win." --Mahatma Gandhi
"Preach the Gospel always, and if necessary, use words." --Francis of Assisi.
"Family farms work when the whole family works the farm." -- Adam Klaus