Contact
The State of Hawaii Department of Transportation is committed to protecting our water
If you suspect a storm water violation, call our Storm Water Hotline at (808) 831-6714 or report a violation online. For general concerns, comments, or questions, please complete the form below. Remember, protecting our water is everyone’s business!
Contact Info
State of Hawai‘i Department of Transportation
Highways Division – Oahu District
Environmental Management Section
727 Kakoi Street
Honolulu, HI 96819-2017
(808) 831-6714