Storm Water Honolulu

Storm Water Honolulu The City & County of Honolulu, Department of Facility Maintenance, Storm Water Quality Division promotes actions to minimize polluted runoff.

Monitoring & updating of this account will occur during our business hours. Staff will attempt to respond to comments and messages in a timely fashion during these hours. Our website will remain the primary source of information on the internet. For immediate assistance please call 911 or 768-3300. Any comments containing inappropriate content shall be removed, when possible. A list of inappropria

te items can be found at http://www.hbws.org/cssweb/display.cfm?sid=2193. SWQ appreciates those who choose to follow SWQ online. SWQ as an entity will follow & follow back: related government agencies and non-profits or partnering businesses, churches, community organizations and community leader profiles. SWQ does not initiate following of for-profit businesses. those who do not find themselves being followed by SWQ, and are in ordinance with this policy, should not feel discriminated against in any way. SWQ welcomes thoughtful engagement and will exclude any disruptive engagement. SWQ may remove conversation and/or block followers at any time.

Regular registration rates for the 2026 Green Infrastructure Mobile Workshop end this month!Join us for an interactive t...
05/29/2026

Regular registration rates for the 2026 Green Infrastructure Mobile Workshop end this month!

Join us for an interactive tour of Honolulu’s green stormwater infrastructure sites and explore real-world examples of rain gardens, bioswales, permeable pavement, cisterns, and more.

Late registration rates will begin soon — secure your ticket before prices increase.

July 29, 2026
Meet at Sheraton Waikiki

Register today:
https://bit.ly/SWMobileTour

Last chance to register at regular pricing! The 2026 Stormwater Quality BMP Workshop is bringing together professionals ...
05/28/2026

Last chance to register at regular pricing!

The 2026 Stormwater Quality BMP Workshop is bringing together professionals from across Hawaiʻi for two days of practical training, collaboration, and innovation in stormwater management.

Late registration rates begin soon — secure your spot today.

Sheraton Waikiki
July 30–31, 2026

Register now:
https://bit.ly/StormWaterBMP2026

This Saturday- FREE Homeowners Environmental ExpoLearn how to reduce your impact on the environment from professionalsSa...
05/27/2026

This Saturday- FREE Homeowners Environmental Expo
Learn how to reduce your impact on the environment from professionals

Saturday, May 30th - 9 am to 12 pm
Kaneohe Elementary School Cafeteria

-FREE native plants
-Rain Barrel Giveaway
-Resources and MORE!

**Residents living within the Kawa watershed are eligible to receive one free downspout extension device at the expo while supplies last. Proof of residency is required, with a limit of one device per household.**

For more information visit- stormwaterhonolulu.gov

⏰Final 9 days before LATE RATES apply⏰The City and County of Honolulu is hosting an educational workshop for storm water...
05/23/2026

⏰Final 9 days before LATE RATES apply⏰

The City and County of Honolulu is hosting an educational workshop for storm water quality Best
Management Practices (BMPs)

July 30-31
Sheraton Waikiki

For more information and to register- https:// honolulustormwaterworkshops.vfairs.com/

FREE Homeowners Environmental Expo- learn how to reduce your impact on the environment from professionalsSaturday, May 3...
05/16/2026

FREE Homeowners Environmental Expo- learn how to reduce your impact on the environment from professionals

Saturday, May 30th - 9 am to 12 pm
Kaneohe Elementary School Cafeteria

-FREE native plants
-Rain Barrel Giveaway
-Resources and MORE!

**Residents living within the Kawa watershed are eligible to receive one free downspout extension device at the expo while supplies last. Proof of residency is required, with a limit of one device per household.**

For more information visit- stormwaterhonolulu.gov

Proper installation of storm drain protection BMPs will help prevent dirt, debris, and other pollutants from ending up i...
05/05/2026

Proper installation of storm drain protection BMPs will help prevent dirt, debris, and other pollutants from ending up in our steams and ocean.

Watch this quick video for more information:
https://bit.ly/StormDrainBMPs

It’s not too late, register today!The City and County of Honolulu is hosting an educational workshop for storm water qua...
05/01/2026

It’s not too late, register today!

The City and County of Honolulu is hosting an educational workshop for storm water quality Best Management Practices (BMPs)

For more information and to register- https:// honolulustormwaterworkshops.vfairs.com/

04/24/2026

Come swing by the 19th Annual Mauka to Makai Environmental Expo! This FREE, family-friendly event promotes the importance of keeping Hawai‘i clean through hands-on educational activities, keiki crafts, and more!

Saturday, April 25th - 9am to 2pm at the Waikiki Aquarium

-FREE native plants (one per household) while supplies last
Hope to see you there!

**Free parking & shuttle from Jefferson Elementary**

Come swing by the 19th Annual Mauka to Makai Environmental Expo! This FREE, family-friendly event promotes the importanc...
04/23/2026

Come swing by the 19th Annual Mauka to Makai Environmental Expo! This FREE, family-friendly event promotes the importance of keeping Hawai‘i clean through hands-on educational activities, keiki crafts, and more!

Saturday, April 25th - 9am to 2pm at the Waikiki Aquarium

-FREE native plants (one per household) while supplies last

Hope to see you there!
**Free parking & shuttle from Jefferson Elementary**

04/22/2026

This Earth Day, let’s do our part to keep our island and planet clean 🌎 Pick up your trash and help keep debris out of our storm drains—what goes in them ends up in our ocean.

Want to make a bigger impact? Join one of our hosted cleanups and be part of the solution. 🗑️♻️🤙

Click the link to see our upcoming events- https://www8.honolulu.gov/swq/get-involved/events-calendar/

Address

1000 Uluohia Street
Kapolei, HI
96707

Opening Hours

Monday 9am - 4pm
Tuesday 9am - 4pm
Wednesday 9am - 4pm
Thursday 9am - 4pm
Friday 9am - 4pm

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