One inch of rain pouring down on an average-sized residential roof creates 748 gallons of stormwater runoff, according to the King County Wastewater Treatment Division. After collecting debris, waste ...

Active rainwater harvesting involves the use of gutters and tanks to channel and store rainwater. This allows you to “bank” rainwater in our unpredictable climate so you can stretch out the period of ...

Disconnecting impervious surfaces, like directing gutters onto lawns instead of driveways, can significantly reduce stormwater runoff. Rain barrels offer a free water source for gardens (non-edible) ...

Amy Tsuneyoshi uses large water totes in her rainwater catchment system at her Aiea home. She also cultivates a variety of succulents and other plants that don’t require much water. Amy Tsuneyoshi ...