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🌍 Environmental Rules/Stormwater Management

Kaneohe vs Pearl City

How do stormwater management rules compare between Kaneohe, HI and Pearl City, HI?

Kaneohe and Pearl City have similar restriction levels.

Kaneohe, HI

Honolulu County

Heavy Restrictions

Kaneohe's watershed flows directly to Kaneohe Bay, and ROH Chapter 43 Article 11 tightly restricts non-stormwater discharges to the city's storm sewer system.

View full Kaneohe rules β†’

Pearl City, HI

Honolulu County

Heavy Restrictions

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 β†’

Key Facts Comparison

FactKaneohePearl City
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Highlighted rows indicate differences between cities.

Kaneohe FAQ

Can I drain my pool into the street?

No. Chlorinated pool water is a prohibited non-stormwater discharge and must be dechlorinated and managed per DPP guidance.

Is fertilizer runoff regulated?

Yes, fertilizer and pesticide runoff to the storm drain can be cited, especially given Kaneohe Bay's nutrient-sensitive coral.

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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