Erosion Control: Kailua vs Urban Honolulu
How do erosion control rules compare between Kailua, HI and Urban Honolulu, HI?
Kailua and Urban Honolulu have similar restriction levels.
Kailua, HI
Honolulu County
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.
View full Kailua rules →Urban Honolulu, HI
Honolulu County
Urban Honolulu tower and infill projects in Kakaako, Ala Moana, and Waikiki must submit erosion and sediment control plans under ROH Sec. 18A-1.6, protecting tight streets and storm drains that discharge directly to sensitive coastal waters.
View full Urban Honolulu rules →Key Facts Comparison
| Fact | Kailua | Urban Honolulu |
|---|---|---|
| - | - | |
| Authority | - | ROH Sec. 18A-1.6 |
| Urban focus | - | Kakaako, Ala Moana, Waikiki |
| Typical BMPs | - | Inlet protection, track-out |
| Reviewer | - | DPP |
| Compounding rule | - | MS4 Chapter 43 |
Highlighted rows indicate differences between cities.
Kailua FAQ
Does a small backyard grading job need a plan?
If the project needs a grading or building permit, an erosion and sediment control plan is typically required, even for residential scale.
Who approves the plan?
The Honolulu Department of Planning and Permitting reviews and approves erosion and sediment control plans.
Urban Honolulu FAQ
Do small Urban Honolulu remodels need erosion control plans?
If the remodel requires a building, grading, stockpiling, or trenching permit, Sec. 18A-1.6 requires an approved plan before disturbance, regardless of project size.
What BMPs does DPP expect for Urban Honolulu sites?
Typically inlet protection on all adjacent catch basins, perimeter silt fabric, stabilized exits to prevent track-out, and covered stockpiles to reduce tradewind-driven erosion.
Compare other topics
See how Kailua and Urban Honolulu compare on other ordinance categories.
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