Portland Purple Water was asked by the City of Gresham to design a cistern system to provide for the watering needs of the garden at Hollydale Elementary School. Today was the unveil event. The final system includes a 2500 gallon cistern, a rain garden, a people powered water pump, and a bicycle named “Purple Thunder”.  But the story of how all that came to be begins on a rooftop on a hot day in August…

Click the first photo below to follow the story.

[Show as slideshow]

[View with PicLens]

1234►