Rainwater CatchmentWHAT IS RAINWATER CATCHMENT? WHY SHOULD WE COLLECT RAINWATER? RAIN BARRELSRainwater Catchment is Rainwater collection is older than the Roman Rain barrels are just that, a barrel to catchsaving normally wasted water Empire, and is growing in popularity as people the rainwater coming off your roof. Theyand reusing it for irrigation or look for ways to use water resources more are inexpensive, easy to install andother non-potable (non- wisely. Monterey County would like to promote maintain, and good for small scaledrinkable) uses. We can rainwater collection to help stretch our limited residential sites. They typically hold fromreuse rainwater, graywater water supplies. When 50 to 300 gallons, and are mostly used forand reclaimed water if we you install a watering plants.follow some simple rules. rainwater catchment system at home, you SYSTEM COMPONENTSSOURCES OF NON-POTABLE WATER are helping to A rain barrel should have: maintain the beauty R !" AINWATER: Water that falls as rain, !" spigot and/or a hose bibb (1) so that A and health of your and then is collected as catchment you can access the water; property, and of the water from your roof or other hard !" overflow pipe (2) routed away from An Monterey Bay region. surfaces. the house; By collecting and using rainwater you are: !" RAYWATER : Wastewater from G !" sealed and screened lid (3) with an A !"Slowing downspout water run-off and bathroom sinks, showers, baths, opening for your drainpipe; and reducing peak storm water flows; laundry or car washes. See !"Screens on all vents (4). !"Reducing the volume of drinking water used www.EcoAct.org for more information for non-potable uses such as irrigation; and on using graywater. !"Saving money by reducing the amount of B !" LACKWATER: Wastewater from your water you have to buy from the water toilet, kitchen sink or dishwasher. company. Blackwater may not be reused without municipal treatment at the local GETTING STARTED sewage plant. R !" ECLAIMED W ATER : Municipally Rainwater can be collected from most types of treated sewage that meets California rooftops. Roofs painted with lead-based paint or paint containing fungicide would have to be regulations for reuse as landscape recoated with paint approved for the intended See www.WaterAwareness.org for a list of irrigation. use. The first step is to clean your roof, local places that sell rain barrels. disconnect your downspout, and connect it to a storage container. Your storage container NOTE: No permit is required for a rainRainwater Rooftop Catchment Estimation: Avg rooftop of 1500 Sq Ft x Avg rainfall in needs an overflow pipe, which should be barrel. A rain barrel should never be Monterey of 15 in/yr = 14,027 gallons/yr routed away from the house. connected to your home’s plumbing.