Stormwater Management: Ewa Gentry vs Honolulu
How do stormwater management rules compare between Ewa Gentry, HI and Honolulu, HI?
Honolulu has fewer restrictions than Ewa Gentry.
Ewa Gentry, HI
Honolulu County
Ewa Gentry properties connecting to the city's separate storm sewer system are regulated by ROH Chapter 43, Article 11, which prohibits non-stormwater discharges and implements MS4 water quality standards.
View full Ewa Gentry rules →Honolulu, HI
Honolulu County
Honolulu's storm drain system discharges directly to the ocean, so ROH chapter 14 article 12 prohibits non-stormwater discharges and requires best management practices on construction and industrial sites.
View full Honolulu rules →Key Facts Comparison
| Fact | Ewa Gentry | Honolulu |
|---|---|---|
| - | - | |
| Local code | - | ROH Chapter 14 Article 12 |
| Disturbance trigger | - | 1 acre or more |
| State permit | - | NPDES construction |
| City agency | - | DFM and ENV |
| Outfall destination | - | Direct to ocean |
Highlighted rows indicate differences between cities.
Ewa Gentry FAQ
Can I drain my pool into the street in Ewa Gentry?
No. Chlorinated pool water is a prohibited non-stormwater discharge under Sec. 43-11.22 and must be dechlorinated and disposed of properly.
Is washing my car in the driveway allowed?
Residential car washing is generally tolerated, but soapy runoff to the storm drain can still violate water quality standards if it carries pollutants.
Honolulu FAQ
Can I wash my car in the driveway on Oahu?
Occasional residential car washing is generally tolerated, but Honolulu encourages using a commercial wash. Soapy water flowing into the storm drain technically violates the discharge ordinance.
Who do I call to report illegal dumping into a storm drain?
Call the city's Storm Water Quality Hotline operated by the Department of Facility Maintenance. Photos and license plate numbers help inspectors investigate quickly.
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