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🌍 Environmental Rules/Stormwater Management

Kaneohe vs Mililani Town

How do stormwater management rules compare between Kaneohe, HI and Mililani Town, HI?

Kaneohe and Mililani Town 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†’

Mililani Town, HI

Honolulu County

Heavy Restrictions

Mililani stormwater is regulated under ROH Chapter 43 Article 11, which prohibits most non-stormwater discharges to the city's separate storm sewer flowing to Waikele Stream.

View full Mililani Town rules β†’

Key Facts Comparison

FactKaneoheMililani Town
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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.

Mililani Town FAQ

Can I wash my car in my Mililani driveway?

Occasional washing on grass is generally fine, but detergent-laden runoff flowing into the street drain is a prohibited discharge.

Is yard fertilizer regulated?

Over-applying fertilizer so runoff reaches the storm drain can be cited; follow label rates and sweep granules off hard surfaces.

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