Acre Ideas Trash-Eating Canal Barge Idea: Dumpster on a barge in the canal. Conveyer pulls floating trash out of canal. Powered by solar or waterwheel. Benefit: Cleaning up the canal! Location: Acre, Downtown / JAM. Canal Cleanup Idea: Canal for Merrimack St. to Saint Patrick’s is filled with littler, we should do something about that! Benefit: Needs a real cleanup! Location: Acre.