East Honolulu vs Mililani Town
How do stormwater management rules compare between East Honolulu, HI and Mililani Town, HI?
East Honolulu and Mililani Town have similar restriction levels.
East Honolulu, HI
Honolulu County
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.
View full East Honolulu rules →Mililani Town, HI
Honolulu County
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 →Key Facts Comparison
| Fact | East Honolulu | Mililani Town |
|---|---|---|
| - | - |
Highlighted rows indicate differences between cities.
East Honolulu FAQ
Is it okay to drain my Hawaii Kai pool into the street?
No. Pool water typically contains chlorine and other chemicals and is classified as a non-stormwater discharge prohibited under Sec. 43-11.22 without special handling.
What should I do with wash water from my driveway?
Direct wash water to landscaped areas or capture it, as soapy or chemical-laden wash water entering a storm drain is a prohibited discharge under city stormwater rules.
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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