The following meetings are held at City Hall, 54 Hill Street, unless otherwise noted. Thursday, Sept. 12 Inland Wetlands & Watercourses Commission, 7 p.m., City Hall Room 303. Full Board of Aldermen, 7 p.m., City Hall auditorium. Friday, Sept. 13 Planning & Zoning Downtown Subcommittee, 9 a.m., SEDC, 475 Howe Ave. Monday, Sept. 16 Municipal Election Lottery, 6 p.m. City Hall Room 104. Tuesday, Sept. 17 Economic Development Commission, 6 p.m., SEDC, 475 Howe Ave. Zoning Board of Appeals, 7:30 p.m., City Hall auditorium. Lake Housatonic Authority, 7:30 p.m., Derby City Hall, 1 Elizabeth St., Derby. Wednesday, Sept. 18 Youth Services Bureau, 7:45 a.m., Perry Hill School, 60 Perry Hill Road. Board of Education Finance Committee, 5 p.m., Board of Education, 382 Long Hill Ave. Thursday, Sept. 19 Purchasing - Bids, 3 p.m., City Hall Room 104. Valley Emergency Medical Services, 7 p.m., VEMS, 764 Derby Ave., Seymour. Parks & Recreation Commission, 7:30 p.m., Shelton Community Center, 41 Church St.