Kailua vs Pearl City
How do stormwater management rules compare between Kailua, HI and Pearl City, HI?
Kailua and Pearl City have similar restriction levels.
Kailua, HI
Honolulu County
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.
View full Kailua rules →Pearl City, HI
Honolulu County
Pearl City's drainages into Pearl Harbor estuary fall under strict ROH Chapter 43, Article 11 stormwater rules prohibiting non-stormwater discharges to the city's MS4 system.
View full Pearl City rules →Key Facts Comparison
| Fact | Kailua | Pearl City |
|---|---|---|
| - | - |
Highlighted rows indicate differences between cities.
Kailua FAQ
Can I wash my car in the driveway?
Occasional home car washing is tolerated, but detergent-laden runoff into the storm drain can violate the discharge rules, especially near the beach.
What about pressure-washing the house?
Rinse water should be contained on landscaping where possible, not allowed to flow into the storm drain carrying paint or chemicals.
Pearl City FAQ
Where can I wash my car in Pearl City without violating stormwater rules?
Use a commercial car wash that routes to sanitary sewer, or wash on a lawn where runoff infiltrates. Wash water running to a storm drain violates Sec. 43-11.22.
Does the rule cover rainwater from my roof?
Uncontaminated stormwater from roofs is allowed to enter the MS4. Only non-stormwater discharges like soapy water, chemicals, or wastewater are prohibited.
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