Stormwater Management: Kaneohe vs Waipahu
How do stormwater management rules compare between Kaneohe, HI and Waipahu, HI?
Kaneohe and Waipahu have similar restriction levels.
Kaneohe, HI
Honolulu County
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 →Waipahu, HI
Honolulu County
Waipahu's dense neighborhoods discharge stormwater toward Pearl Harbor and must comply with ROH Chapter 43, Article 11, which prohibits non-stormwater discharges to the city's MS4 system.
View full Waipahu rules →Key Facts Comparison
| Fact | Kaneohe | Waipahu |
|---|---|---|
| - | - |
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.
Waipahu FAQ
What is an illicit stormwater discharge in Waipahu?
Any non-stormwater flow into the city storm drain, such as soapy water, chemicals, paint, or wastewater, is classified as an illicit discharge prohibited under Sec. 43-11.22.
What if my business rinses equipment outside?
Outdoor rinsing that drains to a storm inlet violates Sec. 43-11.22. Rinse water must be captured, directed to sanitary sewer with permission, or contained to prevent storm drain entry.
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