Construction BMP Tip: Dust Control

Do you have open disturbed areas or unprotected stockpiles on your construction project? Do you have unpaved construction roads where trucks and equipment potentially generate dusty conditions? If so, you probably need to think about implementing dust control measures. The purpose of dust control on construction projects is to minimize erosion due to wind and […]

Read More

How to Build a Rain Garden

Building a rain garden is a great way to reduce storm water pollution while also providing an excellent water source for a garden in your own backyard. A rain garden is designed to be a self-watering garden that receives and channels storm water run-off from the roof. To get started on building your own rain […]

Read More

Everyday Tips for Trash Reduction

A majority of the waste produced within residential homes consists of recyclable paper, aluminum, glass and plastic. Here are some tips on how you can reduce the amount of trash produced in your home.        

Read More

Central Oahu Best Management Practices, Eroded Slope Repairs, Phase 2

The State of Hawaii Department of Transportation, Highways Division, Oahu District (DOT-HWYS) is actively implementing their Permanent Erosion Control Program by repairing eroded slopes along, and under, their Highways. Some of these eroded sites occur at underpasses where establishing vegetation is extremely difficult due to constant shading from the freeway, steep slopes, and poor soil […]

Read More

DOT-HWYS Oahu’s Q2 2017 Adopt-A-Highway Champions

Congratulations to East Oahu Realty, DOT-HWYS Oahu District’s Second Quarter 2017 Adopt-A-Highway Champions! Their route is along Kalanianaole Highway between Sea Life Park and Waimanalo. “East Oahu Realty is pleased and proud to be able to maintain one of the most stunning scenic views on the Windward side,” said Jane J. Davis of East Oahu […]

Read More

Trash Free Hawaii Rainworks Campaign

In February, the HDOT Highways, Oahu District’s Storm Water Management Program unveiled a new #TrashFreeHawaii campaign to promote the importance of trash reduction and preventing storm water pollution. The campaign incorporates the use of Rainworks, a non-toxic environmentally safe super-hydrophobic invisible spray that appears only on rainy days. Rainworks creates rain-activated positive messages and is […]

Read More

Construction BMP Tip: Concrete Washout

Will you be working with concrete on your project? Do you have a designated area for concrete washout water? Implementing proper best management practices (BMPs) to contain concrete washout water during construction activities should be considered to prevent it from discharging to a drainage system or receiving water body. Managing concrete waste and washout water […]

Read More

Zero Waste Grocery Shopping

Food packaging can make up a large portion of weekly waste in any household. Many people make weekly visits to the grocery store and don’t realize it’s one of the easiest and biggest ways to make an impact. Here are some tips to reduce waste with each trip to the grocery store:   Ask yourself […]

Read More

DOT-HWYS Oahu’s Q1 2017 Adopt-A-Highway Champions

Congratulations to the Bravo Company, 715th MI Battalion, HDOT Highways, Oahu District’s First Quarter 2017 Adopt-A-Highway Champions! Their route for the Adopt-A-Highway program is along Kunia Road. “Our group of volunteers like to give something back to the community that supports us so well,” said SPC Matthew Chebetar of the Bravo Company, 715th MI Battalion. […]

Read More

Kaneohe Watershed Storm Water Best Management Practices on Oahu

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, […]

Read More

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 […]

Read More

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 […]

Read More

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 […]

Read More

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.      

Read More

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 […]

Read More

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 […]

Read More

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 […]

Read More

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 […]

Read More

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 […]

Read More

How to Choose Plants for a Rain Garden

In our July e-newsletter, we shared some tips on how to create a rain garden. One very important aspect of a rain garden is the flowers and shrubbery that are planted within it, which help to absorb the water and filter out impurities before they seep underground. Not all plants are appropriate; the ones that […]

Read More

IUCN World Conservation Congress

Hawaii was front and center in the eyes of environmentalists the world over as thousands of attendees gathered for the 2016 IUCN World Conservation Congress in Honolulu from September 1 – 10 at the Waikiki Convention Center. This marked the first time that the event was being held in the United States, and attendees were […]

Read More
Kaneohe Watershed soil roughening

Construction BMPs: Soil Roughening

Why is soil roughening important on construction sites? Preventing erosion, capturing sediment, and establishing vegetation on construction projects are all practices that should be implemented during soil disturbing activities. Soil roughening is a best management practice (BMP) to prepare surface soils for the implementation of additional BMPs, prevent erosion and sedimentation, and establish vegetation. Roughening […]

Read More
Baseyard Storm Water Training 2016 winners

2016 Annual Maintenance Baseyard Storm Water Training Champions

Congratulations to the Electrical Crew, based out of the Keehi Baseyard, for winning our Annual Maintenance Baseyard Storm Water Training quiz competition! The training and quiz competition was held in July with 13 maintenance crews, and the Electrical Crew earned the highest average score of 19 out of 20 points on the post-training quiz. As […]

Read More

Construction BMPs: Construction Entrance/Exit Stabilization

Is your construction entrance/exit stabilized? Tracking sediment from construction sites onto roadways can cause storm water pollution, as well as safety hazards. Proper planning is required to ensure adequate best management practices (BMPs) are installed to prevent off-site tracking of sediment or other pollutants by vehicles exiting construction sites. When choosing the type of BMPs […]

Read More

Hurricane Season could impact the storm drain system

With July upon us, we are now firmly into the 2016 Pacific Hurricane Season. Although the region is entering a La Niña weather phase, which tends to suppress hurricane activity, the Central Pacific Hurricane Center says we could see an average to above average storm season, which would translate to four to seven named tropical […]

Read More

Kawainui Watershed Storm Water BMP project

Construction of the HDOT Highways Kawainui Watershed Storm Water Best Management Practices project was completed in the spring of 2016. The overall goal of this project is to reduce sediment erosion into the HDOT Highways storm water system. This project included the repair and remediation of five eroded slopes located within HDOT Highways rights-of-way that […]

Read More

Ocean debris accumulates around Hawaiian Islands

An aerial survey released in late May showed that thousands of pieces of man-made debris regularly pile up in waters and on shores across the state. The State of Hawaii Department of Land and Natural Resources (DLNR) released a statement saying that much of the debris was tossed into the Pacific, and made its way to […]

Read More

Storm Water Management Program educational materials honored at 2016 Pele Awards

An educational keiki activity book created for the Hawaii Department of Transportation (HDOT), Highways Division, Oahu District, Storm Water Management Program recently garnered top honors in a prestigious advertising and design competition. The book, called Hawaii Storm Patrol: New Recruits, and its companion website are designed to teach Hawaii youths about the importance of keeping […]

Read More

Adopt-A-Highway Champions, Second Quarter 2016

Congratulations to the Spiritual Assembly of Ewa – Oahu (Baha’is of Wahiawa), a chapter of the Baha’i faith, which has been selected as the Department of Transportation, Highways Division, Oahu District’s Second Quarter 2016 Adopt-A-Highway Champions! “We are proud to contribute to the betterment of society through these quarterly highway cleanups,” said Hartson Doak of […]

Read More

How to Build a Rain Garden

It happens every time a heavy downpour occurs – rainwater flows out of your home’s downspouts, sending streams of water across your lawn and driveway, where it collects fertilizer, dirt, debris, and chemicals, and then runs into the storm drain. Storm water runoff is a huge source of water pollution, so preventing as much of […]

Read More

Ala Wai Watershed Storm Water Best Management Practices on Oahu Project

In order to keep roadways safe for driving, they are designed and constructed to allow storm water runoff to drain quickly and efficiently to the road shoulder. Storm water runoff from the State of Hawaii Department of Transportation, Highways Division’s (DOT-HWYS) roadways typically drains through a network of pipes (the Municipal Separate Storm Sewer System, […]

Read More

Construction BMPs for Protecting Stockpiles

Is your stockpile protected? Stockpiling material on construction sites is almost always needed at some point during the life of a project, so proper planning is needed to ensure that adequate best management practices (BMPs) are in place to prevent stockpiled material from polluting storm water. BMPs for protecting stockpiles include adequate cover or temporary […]

Read More

Storm Water Hawaii Exhibit’s New Home at Sea Life Park

Thanks to a partnership with Sea Life Park, the State of Hawaii Department of Transportation, Highways Division, Oahu District’s Storm Water Management Program was able to place illustrated posters at the Touch Pool attraction in 2014 that described the process by which storm water made its way to the ocean, and how trash, chemicals, and […]

Read More
Common storm water pollutants

Common Storm Water Pollutants

We hear all the time about the different pollutants that can flow into the storm drain system, and then to our ocean waters. But what are the most common storm water pollutants, and how do they adversely affect the environment? Here’s a quick reminder of all the damage pollutants can do… Basically storm water pollutants […]

Read More
Common storm water terms and definitions

Common Storm Water Terms and Definitions

If you’ve ever read an article about the storm drain system and wondered about some of the terms commonly used to describe it, then you’re in luck — we have your answers here! What follows is a list of definitions for some commonly used storm water terms. BEST MANAGEMENT PRACTICE (BMP): Schedules of activities, prohibition […]

Read More

Adopt-A-Highway Champions First Quarter 2016

Congratulations to DTRIC Insurance Company, which has been selected as the State of Hawaii Department of Transportation, Highways Division, Oahu District’s First Quarter 2016 Adopt-A-Highway Champions! DTRIC Insurance Company, Ltd. 1600 Kapiolani Blvd. #1520 Honolulu, Hawaii 96814

Read More

Hawaii Storm Patrol Launch

In November, the State of Hawaii Department of Transportation, Highways Division, Oahu District unveiled a bright, colorful, and new outreach effort to educate keiki about the importance of keeping our storm drain system free from pollutants… Introducing the new Hawaii Storm Patrol: New Recruits activity book! The activity book helps keiki learn about how the […]

Read More

Tips For Reducing Storm Water Runoff From Your Yard

As many are aware, storm water runoff from yards has the potential to wash debris, fertilizers, and other pollutants down drains and into our water sources. But few know about how we can limit that runoff, thereby helping to protect our precious streams, rivers, and ocean. Here are a few tips on reducing storm water […]

Read More

DOT’s Q4 2015 Adopt-A-Highway Champions

Congratulations to the Federal Managers Association, 19 Pearl Harbor Area Chapter, which has been selected as the State of Hawaii Department of Transportation, Highways Division, Oahu District’s Fourth Quarter 2015 Adopt-A-Highway Champions! Quintal says during quarterly cleanups, their volunteers find the usual expected debris – bottles, cans, boxes, and cigarette butts. But during one cleanup, […]

Read More

Common Storm Water Pollutants and Their Impacts

We know that allowing debris, chemicals, and other pollutants into our storm water system will have terrible repercussions for our water sources. But what is the real danger inherent in these storm water pollutants? The Ocean Conservancy provides this look:

Read More

How to select perimeter controls for your next construction project

Perimeter controls on construction projects are a temporary best management practice (BMP) for sediment control. Used along the site perimeter, around temporary stockpiles, at the toe of a slope and downslope of exposed areas, perimeter controls keep sediment and potential pollutants contained, preventing them from entering our storm drains and negatively affecting Hawaii’s streams and […]

Read More
Liliha St. BMPs

Liliha Street Rehabilitation Project

The State of Hawaii, Department of Transportation, Highways Division, Oahu District has numerous roadway construction projects going on at any given time that vary in size and complexity. However, one thing that remains the same for all construction projects regardless of the size of the project or area of land disturbance, is the need to […]

Read More
Annual Maintenance Baseyard Storm Water Training quick winners

Annual Maintenance Baseyard Storm Water Training Champions

Congratulations to the Wahiawa Crew for winning the Annual Maintenance Baseyard Storm Water Training Quiz Competition! The training and quiz event took place in July, with heavy competition among the 13 participating maintenance crews. At the end of the day the Wahiawa Crew came out on top, with a scintillating performance that saw them with […]

Read More
2015 HDOT Permanent BMP training event

August BMP Training Recap

Thanks to all who attended and took part in August’s Permanent BMP training event! On August 27th, DOT Highways held a daylong training to help prepare designers to implement new best management practices (BMPs) for permanent storm water controls. Statewide standards for implementing permanent BMPs are changing, and new standards are going into effect on […]

Read More

Upcoming: Annual Construction BMP Training “Protect Our Water” Conference

Another major BMP training event is right around the corner! The Annual Construction BMP Training, which has been rebranded as the “Protect Our Water” Conference, takes place on November 4th at the Kroc Center Hawaii in Kapolei. DOT Highways is collaborating with the Airports and Harbors Divisions to provide this important training to DOT personnel […]

Read More
Inlet Protection - Construction BMP

Construction BMPs: Inlet Protection

Inlet protection on construction projects is a temporary best management practice (BMP) used to prevent sediment, trash and debris from entering storm drains. If you’re wondering what kind of inlet protection you need for your project, you’ll first need to consider a number of important factors and then select the option best suited for your […]

Read More
Adopt-A-Highway-Hawaii

DOT’s Q3 2015 Adopt-A-Highway Champions

Congratulations to 21st Dental Company of Marine Corps Base Hawaii at Kaneohe, who has been selected as the Department of Transportation, Highways Division, Oahu District’s Third Quarter 2015 Adopt-A-Highway Champions! “At 21st Dental Company we foster a sense of community service and encourage our sailors to give back to the local communities that give so […]

Read More
Erosion Control 2

Fun With Construction BMP Terms: Erosion Control vs. Sediment Control!

Erosion and sediment control (E&SC) is a term that most of us in the construction industry are familiar with in regards to storm water runoff issues at a project’s site. But have you ever really thought about what it actually means? If you break it down and separate the words “erosion control” and “sediment control,” […]

Read More

DOT’s Q2 2015 Adopt-A-Highway Champions

Congratulations to the Oahu Filipino Community Council, which has been selected as the Department of Transportation, Highways Division, Oahu District’s Second Quarter 2015 Adopt-A-Highway Champions! Oahu Filipino Community Council’s route for the Adopt-A-Highway program runs for two miles along Kalihi Street and Likelike Highway from Nimitz Highway to Kula Kolea Drive. “We are very happy and […]

Read More
Bioswale header

Miscellaneous Permanent Best Management Practices on Oahu

The Miscellaneous Permanent Best Management Practices on Oahu project, which will help reduce pollutant contribution to the storm water system, is currently underway along Interstate H-3 near Kaneohe. The $2 million project includes the construction of a Nutrient Separating Baffling Box treatment system and will replace existing concrete drainage channels with 16 bioswales. The bioswales […]

Read More

SWMP in Your Community!

The SWMP Team will once again be out in the community, spreading the word about keeping our storm drain system free of debris, trash, and chemicals. We’ll be at the Urban Garden Center in Pearl City on Saturday, July 11 from 9 a.m. to 12 p.m. for Second Saturday at the Garden. You can stroll […]

Read More

Don’t forget: 2015 Permanent BMP Training Workshop Just Around the Corner!

Upcoming BMP Training Workshop Attention designers! The statewide standards for implementing Best Management Practices for permanent storm water controls are changing and the new standards go into effect on October 27, 2015. On Thursday, August 27, DOT will hold a day long training event to familiarize you with the new procedures. The event takes place […]

Read More
3. 1-Year Post Construction

Slope Improvements for Erosion Control at Various Sites on Oahu, Phase 5

State construction inspectors have given the thumbs-up of approval to a series of roadside improvements in several areas around Oahu. The completed Slope Improvements for Erosion Control Phase 5 projects included the repair of 11 eroded slopes and one eroded outfall located in the State of Hawaii Department of Transportation Highways Division’s (DOT-HWYS) rights-of-way. The […]

Read More
Storm Water Hawaii

2015 HDOT Highways SWMP Plan Finalized

The 2015 State of Hawaii Department of Transportation, Highways Division, Oahu District’s (HDOT Highways) Storm Water Management Program (SWMP) Plan has officially been finalized! The SWMP Plan is a requirement of the National Pollutant Discharge Elimination System Municipal Separate Storm Sewer System Permit, and details the steps HDOT Highways will take to mitigate the discharge […]

Read More
Hawaii National Guard Youth Challenge Academy Q1 2015 Adopt-A-Highway Champions

DOT’s Q1 2015 Adopt-A-Highway Champions

Congratulations to Hawaii National Guard Youth Challenge Academy, which has been selected as the Department of Transportation, Highways Division, Oahu District’s First Quarter 2015 Adopt-A-Highway Champions! Hawaii National Guard Youth Challenge Academy’s route for the Adopt-A-Highway program is on Roosevelt Avenue in Ewa, from Fort Barrett Road to Geiger Road. “Each of our cadets at […]

Read More
Crew installing the first trash trap in the Halawa interchange

HDOT Highways kicks off multi-year trash study

The State Department of Transportation, Highways Division, Oahu District (HDOT Highways), is kicking off a multi-year study this month, one that should give its engineers and scientists more information about the man-made trash and debris found along our highways. The study, which focuses on state routes on the island of Oahu, will help HDOT Highways […]

Read More