Environmental Rules in Kailua, HI (2026)
5 verified environmental rules for Kailua, Hawaii, sourced directly from the municipal code and official government pages.
Verified from official government sources
Stormwater Management
Kailua's beach-adjacent watersheds are protected by ROH Chapter 43, Article 11 and Chapter 14, Article 12, which restrict non-stormwater discharges to the city's separate storm sewer system.
Stormwater Discharge Rules
Heavy RestrictionsErosion Control
Any land-disturbing project in Kailua that triggers a building, grading, stockpiling, or trenching permit must have an approved erosion and sediment control plan under ROH Sec. 18A-1.6.
Erosion and Sediment Control Plans
Heavy RestrictionsCoastal Development
Kailua properties within the Special Management Area along Kailua and Lanikai beaches require SMA permits under ROH Chapter 25 before most development or significant improvements proceed.
Special Management Area Permits
Heavy RestrictionsFlood Zones
Much of low-lying Kailua sits in FEMA-mapped flood zones, and ROH Chapter 21A sets elevation, foundation, and variance standards for development in these areas.
Flood Hazard Area Standards
Heavy RestrictionsGrading & Drainage
Kailua projects that cut, fill, stockpile, or trench earth generally need a grading permit under ROH Chapter 18A, with drainage controls reviewed as part of the permit.
Grading and Drainage Permits
Some RestrictionsLooking for Honolulu County county-wide rules?
County ordinances apply to unincorporated areas and may supplement Kailua city rules.
Environmental Rules in Honolulu County →