Groundwater remedial action activities shall, in accordance with N.J.S.A. 40:55D-66.8, be deemed a permitted accessory use in all zones in the Township, and any structures installed to further said activities shall be deemed accessory structures. Said structures shall comply with the setbacks for accessory buildings in the particular zone such use is located, except when greater setbacks for accessory structures are required due to applicable conditional use requirements and shall not exceed a height of 16 feet.