The Kaneohe Watershed Storm Water Best Management Practices (BMP) on Oahu project is part of the HDOT Highways, Oahu District’s ongoing effort to reduce pollution from storm water runoff. Storm water from roadways typically drains through a network of pipes (the Municipal Separate Storm Sewer System, or “MS4”) directly to outfall locations into stream channels, […]
Construction BMP Tip: Slope Protection
Do you have adequate protection on your slopes to minimize the potential for erosion during construction activity? Implementing effective best management practices (BMPs) to temporary stabilize disturbed soil on slopes should be considered during construction activities to reduce the potential for erosion which can result in polluted discharges. The purpose of slope protection during construction […]
Protect Our Water Conference A Success!
The State of Hawaii Department of Transportation’s annual Protect Our Water Conference was again a great success this year, as more than 350 contractors and State staff converged upon the Kroc Center on November 16th for a half-day of training on compliance tips, state regulations, and best management practices. After a welcome and introduction to […]
DIY Green Cleaners
It’s easier than you think to keep your home clean and protect our storm drains at the same time with homemade, environmentally friendly household cleaners. Here are some recipes with ingredients that you probably already have.
Rainy Season Tips to Protect Our Storm Drains
It’s “winter” in Hawaii, what’s known as our rainy season. While the rains replenish the islands’ water sources, revitalize our forests and gardens, and refresh our watersheds, they also have the potential to wash pollutants into our storm drains, which can end up in our ocean. We can all do our part to help storm […]
Eroded Slope Repairs
The State of Hawaii Department of Transportation, Highways Division, Oahu District (DOT-HWYS) has been very busy over the last year repairing eroded slopes along its highways as part of the Permanent Erosion Control Program. Since the start of 2016 permanent erosion repair projects have been completed at 14 sites, island wide. If you drive on […]
DOT-HWYS Oahu’s Q4 2016 Adopt-A-Highway Champions
Congratulations to the Joint Inter-Agency Task Force West, which has been selected as the State of Hawaii Department of Transportation, Highways Division, Oahu District’s Fourth Quarter 2016 Adopt-A-Highway Champions! The Joint Inter-Agency Task Force West route for the Adopt-A-Highway program is on Farrington Highway from the Kapalaau Bridge to Ku Place. “Even though our Adopt-a-Highway […]
DOT-HWYS Oahu’s Q3 2016 Adopt-A-Highway Champions
Congratulations to HC&D Kapaa Quarry, which has been selected as the Department of Transportation, Highways Division, Oahu District’s Third Quarter 2016 Adopt-A-Highway Champions! Linda Goldstein, Manager, Environmental & Community Affairs for HC&D, LLC, says the most unusual items they find are identification cards of all types, especially military ID’s and drivers licenses. “One of the […]
Highways Debris Cleaning Assessment
The State of Hawaii Department of Transportation, Highways Division, Oahu District (DOT-HWYS) is nearing the completion of its two-year data collection period for its Debris Cleaning Assessment. In October 2014, DOT-HWYS embarked on a study aimed to better understand how effective street sweeping is in reducing pollution from our highways. Street sweeping has been identified […]
How to Build a Rain Barrel
Water Harvesting Humans have been harvesting rainwater for as long as history has been recorded. Records show that rainwater cisterns were in use in ancient societies across the globe dating back to at least 3,000 years ago. China, Egypt, and Rome all had sophisticated collection systems for storing water, and the Romans actually used a […]