The city was incorporated in 1991 specifically to stop construction of a county sewer line.
Mrs. McCray said she and her neighbors had filed suit to stop construction.
Lawsuits to stop the projects have failed to stop construction so far.
Berta Cáceres, 44, was shot dead after campaigning to stop construction of a hydroelectric dam.
But in July the court rejected its request for an injunction to stop construction of the plants.
He sued to stop construction of a new Whitney warehouse, claiming it would block a right of way.
But all politics being local, the movement ran mostly on a pledge to stop construction of an incinerator.
Ethiopia has responded with defiance, with its prime minister, Hailemariam Desalegn, saying "nothing and no one" would stop construction.
The suit, which seeks an injunction to stop construction, was filed on Tuesday in United States District Court in Hartford.
A decision to stop construction seems unlikely because, officials say, no other location could be ready in time.
Indeed, neither is trying to stop construction of the Keystone Pipeline, now that all the steel pipe has been purchased.
