RainSpace Retention Chambers store thousands of gallons of water underground where it’s safe and readily available for irrigation, fire suppression, potable use, supplementing municipal water supply or under-producing private wells. Freedom from usage restrictions and water independence for your site. Installation is fast and simple.  All components are lightweight and easily handled and no heavy equipment is needed. Soils permitting, no imported stone or sand is required for fill. RainSpace Stormwater Management Chambers are available in any shape and depth to meet the site's requirements and space and access limitations. The flexible system fits into tight or curved locations. Use under yards, driveways or parking lots.

An 85,000 gallon RainSpace stormwater retention chamber was installed on a narrow residential lot in Los Altos, California. Sandwiched between the rear of the residence and an existing swimming pool with a garage to one side, this RainSpace Chamber was the first part of a backyard improvement project which includes a patio, water feature, lawn... more
This mountain community experiences periodic heavy rains and snowfall yet the rocky and steep terrain does not support large underground aquifers or streams. Water well production is often poor and water is commonly trucked in by tankers and stored in unsightly above ground tanks next to attractive residences. A 5,000 gallon RainSpace Retention... more
A leading Master Gardener in Phoenix, Arizona, under a short timeline to a widely anticipated home and garden tour, wanted a clean source of untreated water for his specimen plantings. He needed a stormwater retention chamber that could be installed easily under his driveway and parking area where it would not disrupt his established gardens.... more
A 10,000 gallon RainSpace Retention Chamber was installed under the driveway of an existing residence in Alameda, California to meet local stormwater management requirements and also collect stormwater for re-use for on-site irrigation. Alameda is a low-lying flat island on the eastern side of San Francisco Bay that is fully developed with... more
A 5,000 gallon RainSpace Stormwater Detention Chamber was installed on a nearly completed custom residence in the Camarillo area of Ventura County. Local stormwater management regulations recently put in place by the County to conform to the EPA's NPDES regulations (National Pollutant Elimination Discharge System under the U.S. Clean Water Act)... more
Extreme Makeover – Home Edition, the hit television series that selects worthy families across America for a rebuild of their home – or a whole new home – came to Medford, Oregon in September , 2011. A consortium of construction trades and contractors descended upon the rural home site and built a lovely, large craftsman style home from scratch... more
A hillside residence in old Carmel, California needed additional irrigation capacity.  The property had highly restricted access on a narrow hillside with an adjacent creek and many mature oak trees which could not be disturbed.  the rainwater catchment requirements were met with a series of three RainSpace chambers, interconnected, spilling down... more
Wiser Water Use Brad and Linda are both avid gardeners and they wanted to make sure they had plenty of water available—without using the municipal water supplied by the city. They installed two systems to help irrigate their gardens—a greywater system and a rainwater catchment system. Greywater is collected from the showers, laundry, and bathroom... more