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City and County of Honolulu's Storm Water Management Program
Be An Everday Environmental Hero
What is stormwater? Learn more about stormwater, storm drain systems and pollution.
Be An Everday Environmental Hero
Learn how you can be an Everyday Clean Water Hero!
Latest News

Events this weekend are cancelled!
Both the Pearl Harbor Bike Path and Chinatown cleanups this Saturday due to Tropical Storm Ana are cancelled.
For more information click here for more details.

Take the World Water Monitoring Challenge training quiz.
September 18th is World Water Monitoring Day, thousands of people across the world focus on water quality by testing, sharing, and protecting their local waterways. Join us locally!
For more information. Click here for more details.

Make-A-Difference Day October 25th
City & County of Honolulu's Department of Environmental Services seeks to inspire public awareness and promote volunteerism in celebration of Make-A-Difference Day on October 25, 2014. The City celebrate this nationally recognized day during the months of October and November 2014 with a series of scheduled community volunteer events showcasing the Adopt-A-Block and Adopt-A-Stream programs. These events offer community service and service-learning opportunities for all Oahu residents.
For a schedule of events, click here.
New Videos!
Take the CleanWaterHonolulu Pop Quiz!

Try our new Everyday Clean Water Hero pop quiz to see how much you know about storm water!
 
Frequently Read Documents
NPDES Permit No. HI S000002 issued on May 24, 2011 (PDF 4.0MB)
Final Storm Water Management Program Plan
Rules Relating to Storm Drainage Standards, effective June 1, 2013.
Best Management Practices (BMP) Manual for Construction Sites (PDF 7.4MB)
Photo Gallery   Events Calendar
Check out the fun and success of past events   See upcoming events in your area you can participate in
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