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