Regulations
Federal
- Title 44 of the Federal Code of Regulations (Part 60 – Criteria for Land Management and Use)
- Executive Order 11988: Floodplain Management (1977)
- Executive Order 11990: Protection of Wetlands (1977)
- National Flood Insurance Act of 1968 and Flood Disaster Protection Act of 1973
- Other Laws and Regulations
State
- Hawaii State Building Code
- Hawaii Revised Statutes § 46-11.5 (Maintenance of channels, streambeds, streambanks, and drainageways.)
County
Local Floodplain Management Regulations
Last Updated: 9/30/2025