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🌍 Environmental Rules/Grading & Drainage

Grading & Drainage: Ewa Gentry vs Mililani Mauka

How do grading & drainage rules compare between Ewa Gentry, HI and Mililani Mauka, HI?

Ewa Gentry and Mililani Mauka have similar restriction levels.

Ewa Gentry, HI

Honolulu County

Heavy Restrictions

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.

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Mililani Mauka, HI

Honolulu County

Heavy Restrictions

Mililani Mauka grading, grubbing, stockpiling, and drainage work is regulated under ROH Chapter 18A, which requires permits, bonds, and inspections for qualifying land-disturbing activity.

View full Mililani Mauka rules β†’

Key Facts Comparison

FactEwa GentryMililani Mauka
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Highlighted rows indicate differences between cities.

Ewa Gentry FAQ

Do I need a grading permit to regrade my Ewa Gentry backyard?

If the work exceeds the volume or slope thresholds in Chapter 18A, a grading permit is required along with any needed erosion control plan.

What happens if I grade without a permit?

Sec. 18A-2.4A treats grading without a permit as a violation, which can lead to stop work orders, penalties, and required remediation.

Mililani Mauka FAQ

Do I need a grading permit for a small Mililani Mauka yard terrace?

If the work meets Chapter 18A's volume, slope, or height thresholds, a grading permit is required along with any necessary erosion control plan.

What about a contractor stockpiling soil on my lot?

Stockpiling above the thresholds in Article 3 requires a permit under Chapter 18A, and failing to permit can lead to penalties under Sec. 18A-2.4A.

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