Someday, Six Lakes, a.k.a. the Olin Pine Swamp, a.k.a. the Powder Farm, could be “a tranquil oasis for you to go to — not just for Hamden, but for the region,” said Elizabeth Hayes, a longtime community activist who is also on the Democratic Town Committee in Hamden and on the town’s wetlands commission. “We’ll just ask you to be patient.”