HDOT Oʻahu District’s Storm Water Management Program is involved in numerous activities to prevent storm water pollution from entering Hawaiʻi’s valuable water resources. Click the images below to find out more about HDOT Oʻahu District’s various efforts.
Trash Free Hawaiʻi
HDOT Oʻahu District's Storm Water Management Program unveiled a new #TrashFreeHawaii campaign to promote preventing storm water pollution.
Trash Baseline Study
To better understand the amount and composition of trash coming off our highways, HDOT Oʻahu District conducted a multiyear trash study in open channels on Oʻahu.
Phase 5 Erosion Control on Kamananui Road
HDOT Oʻahu District implemented erosion control measures on slopes along Kamananui Road.
Phase 5 Erosion Control on Kalanianaʻole Highway
HDOT Oʻahu District implemented erosion control measures through an anchored wire mesh system on the slopes along Kalanianaʻole Highway.
Phase 5 Erosion Control Interstate Route H-1
HDOT Oʻahu District implemented erosion control measures through an Articulated Concrete Block Mat System on the slopes along Interstate H-1.
Kawainui Watershed Permanent BMP Project
The Kawainui Watershed Permanent BMP project includes the repair of eroded slopes at six sites located within HDOT Oʻahu District's right-of-way.