Mililani Mauka vs Pearl City
How do stormwater management rules compare between Mililani Mauka, HI and Pearl City, HI?
Mililani Mauka and Pearl City have similar restriction levels.
Mililani Mauka, HI
Honolulu County
Mililani Mauka properties connected to the city's separate storm sewer system fall under ROH Chapter 43, Article 11, which bars non-stormwater discharges and enforces MS4 water quality rules.
View full Mililani Mauka 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 | Mililani Mauka | Pearl City |
|---|---|---|
| - | - |
Highlighted rows indicate differences between cities.
Mililani Mauka FAQ
Can I drain my Mililani Mauka pool into a storm drain?
No. Chlorinated pool water is a prohibited non-stormwater discharge under Sec. 43-11.22 and must be dechlorinated and discharged according to city guidance.
What about washing paint brushes in my driveway?
Paint and solvent residues that reach the storm drain are prohibited discharges; clean brushes in a sink connected to the sanitary sewer instead.
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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