Functionally Dependent Use Law and Legal Definition

According to 44 CFR 59.1 (Title 44 - Emergency Management And Assistance; Chapter I - Federal Emergency Management Agency, Department Of Homeland Security; Subchapter B - Insurance And Hazard Mitigation; Part 59 - General Provisions; Subpart A – General), functionally dependent use means a use which cannot perform its intended purpose unless it is located or carried out in close proximity to water. The term includes only docking facilities, port facilities that are necessary for the loading and unloading of cargo or passengers, and ship building and ship repair facilities, but does not include long-term storage or related manufacturing facilities.”