A 10,000 gallon RainSpace Stormwater Retention Chamber was installed under the parking lot of a small two building office site in Southern Oregon. The water is collected off of the roofs of the buildings. The underground installation was ideal for the small parking lot where space is at a premium and any above ground tanks would negatively compromise both the utility and esthetics of the site. The water is stored for landscape irrigation use. The installation was done by the property owner as a self-contractor.