Environmental Rules in Kapolei, HI (2026)
5 verified environmental rules for Kapolei, Hawaii, sourced directly from the municipal code and official government pages.
Verified from official government sources
Stormwater Management
Kapolei properties tied to the city's separate storm sewer system are regulated by ROH Chapter 43, Article 11, which bars non-stormwater discharges and enforces MS4 water quality standards.
Stormwater Discharge Rules in Kapolei
Heavy RestrictionsErosion Control
ROH Sec. 18A-1.6 requires approved erosion and sediment control plans for Kapolei land-disturbing activities that need building, grading, stockpiling, or trenching permits.
Erosion Control Plans for Kapolei Projects
Heavy RestrictionsCoastal Development
Kapolei projects near the leeward coast may fall within a Special Management Area regulated by ROH Chapter 25, implementing Hawaii's HRS Chapter 205A coastal zone management program.
Special Management Areas Near Kapolei
Heavy RestrictionsFlood Zones
Kapolei parcels within FEMA special flood hazard areas are regulated by ROH Chapter 21A, which sets elevation, flood-proofing, and variance standards for floodplain development.
Flood Hazard Rules for Kapolei Properties
Heavy RestrictionsGrading & Drainage
Kapolei grading, grubbing, stockpiling, and drainage work is regulated by ROH Chapter 18A, which requires permits, bonds, and inspections for qualifying land-disturbing activity.
Grading and Drainage Permits in Kapolei
Heavy RestrictionsLooking for Honolulu County county-wide rules?
County ordinances apply to unincorporated areas and may supplement Kapolei city rules.
Environmental Rules in Honolulu County →