East Honolulu's coastal drainages to Maunalua Bay and Hawaii Kai waterways fall under ROH Chapter 43, Article 11 stormwater rules prohibiting non-stormwater discharges to the city's MS4 system.
Sec. 43-11.12 governs connections to the city separate storm sewer, and Sec. 43-11.22 prohibits discharging effluent other than stormwater into the MS4. Common non-allowed discharges include soapy wash water, pool drainage, paint rinse, and landscape chemicals. Implementing Rules Relating to Water Quality are adopted under ROH 14-12. Coastal neighborhoods like Portlock, Kuliouou, and Hawaii Kai Marina areas face special scrutiny because discharges flow directly into sensitive nearshore ecosystems, including Maunalua Bay conservation areas.
Illicit discharges such as car-wash runoff, pool drainage, or chemical dumping into storm drains can result in administrative orders and civil penalties.
East Honolulu, HI
East Honolulu pool owners in Hawaii Kai, Portlock, and Aina Haina must install code-compliant barriers under ROH Sec. 16-6.2, with public pools in the CDP su...
East Honolulu, HI
East Honolulu retaining walls on Kuliouou, Hawaii Loa Ridge, and Niu Valley hillsides fall under ROH 21-4.40, which caps fill-bearing walls in required yards...
East Honolulu, HI
East Honolulu fence materials follow the LUO definition embedded in ROH 21-4.60, allowing wrought iron, wood, vinyl, plastic, and wire with post foundations ...
East Honolulu, HI
East Honolulu neighbor fence disputes fall under ROH 21-4.30 yard setbacks combined with 21-4.60 height limits, since Hawaii has no dedicated spite fence sta...
East Honolulu, HI
Public parks in East Honolulu, including Koko Head and Hawaii Kai area beach parks, are closed during posted night hours. Entering closed parks is prohibited...
East Honolulu, HI
East Honolulu follows the Hawaii state juvenile curfew under HRS 577-16. Children under 16 cannot be in public places between 10 pm and 4 am without a parent...
Side-by-side rule comparisons with other cities in Honolulu County.
See how other cities in Honolulu County handle stormwater management.
See how East Honolulu's stormwater management rules stack up against other locations.
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