City of Portsmouth, Health Department, 1 Junkins Avenue, Portsmouth, NH 03801. Tel: (603) 610-7273 Health Department Home   Food Permits   Coffee Service   Food Recalls   City Home   Environmental Site Data For environmental assessment information on underground storage tanks, hazardous waste, or other environmental data, go to the State of New Hampshire Department of Environmental Services One Stop data retrieval site at: http://www2.des.state.nh.us/OneStop/ return