Vermont is likely to receive a failing grade from the U.S. Environmental Protection Agency for not implementing the final step of its Lake Champlain cleanup plan by Sept. 4 — a deadline that Department of Environmental Conservation Commissioner Peter Walke says is “not feasible” for the state. In a letter to Walke on June 25, EPA Regional Administrator Dennis Deziel wrote that if the state does not issue its proposed three-acre general permit — the final milestone in the first phase of its Lake Champlain ph … (read more)