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How to Install a Rain Barrel About NJWSA How to Build and Install a Tools & Supplies The New Jersey Water Supply Authority was -Hacksaw formed in 1981 to manage Spruce Run and Rain Barrel -Garden hose Round Valley Reservoirs, Manasquan Reser- voir and the Delaware & Raritan Canal as po- -Gravel or sand (not pictured) table water supplies. The Watershed Protec- -Cinderblocks (2-4) tion Unit works with stakeholders within the -Level Raritan Basin to protect these water supplies. -Pencil -Flexible downspout or elbow For more information about rain barrels, -Flashing or cardboard please contact: Step 1: Prepare Base New Jersey Water Supply Authority Select a flat area under a downspout. Use gravel or sand to level the area. Heather Barrett Place the cinderblocks under the down- 74 E. Main Street spout. Use a level to make sure barrel Somerville, NJ 08876 will sit flat on the cinderblocks. WARNING: A full barrel can weigh (908) 685-0315 x231 over 400 lbs. and can present a hazard if email@example.com not completely level. www.raritanbasin.org Step 2: Cut Downspout www.njriverfriendly.org Measure height of the barrel to make sure downspout is cut high enough to Keep the Rain accommodate the barrel. Mark the cut from the Drain! line with a pencil. Place flashing or Tips for Rain Barrels cardboard behind the downspout be- fore cutting to protect home exterior. -Take rain barrel offline during winter months to avoid ice damage. NJWSA Use a hacksaw to cut the downspout. -Paint rain barrel to individualize your work or just to simply match Place the barrel on cinderblocks be- Watershed Protection Programs your house. neath the cut downspout. Attach the 74 E. Main St. flexible downspout or elbow to the end -Additional mosquito breeding prevention techniques include: Somerville, NJ 08876 of the cut downspout and direct it to- products like Mosquito Dunks, or adding 1 tbsp. of vegetable oil or (908) 685-0315 wards the inflow. Attach a garden hose dish soap. to the overflow and direct it away from www.raritanbasin.org -Have water tested before use if water is intended for vegetable gar- the house and impervious surface (not dens or if moss killer has recently been applied to the roof. pictured). What is a Rain Barrel? How to Build a Rain Barrel A rain barrel is a modified barrel that stores rainwater collected from a roof. The barrel is hooked up to the gutter and downspout Step 1: Inflow Wearing safety gloves and glasses, use the jigsaw to cut a Step 3: Sealing/Locking Faucet hole in the top of the barrel where rainwater will enter the barrel. The hole Wearing rubber gloves, apply sealant around the threaded end of and helps reduce potable water usage, stormwater runoff and must be measured to accommodate the basket or colander that will be inserted faucet inside barrel. Begin tight- nonpoint source pollution. into the inflow to keep insects and debris out. NOTE: This step may not be nec- ening the locknut by hand onto the faucet. Tighten the rest of Why Install a Rain Barrel? essary for certain types of barrels with screw on tops or predrilled inflows. the way using the groove joint Step 2: Faucet For screw top barrels, use the power drill with 1” hole saw to pliers. TIP: Have a friend hold Typically, after water lands on a roof, it will flow down the down- drill a hole 6-8” from the bottom of the barrel. For a closed-top barrel, you will faucet on outside to ensure it spout and into the street where it can pick up pollutants like sedi- need to measure how far down you are able to reach into the remains perpendicular to barrel ment, oil and other heavy metals from cars and trucks, and nutri- barrel to apply sealant and attach the locknut to the faucet. as the locknut is tightened. ents and bacteria from animal waste and carry them to the stream. Wrap Teflon tape around the threaded end of the brass Water captured in rain barrels can be used to water lawns and faucet that will be inserted in the barrel two times in the Step 4: Overflow Using the power drill with 1” hole saw, ornamental plants, wash cars or dirty boots, and for other times opposite direction of the threads. Screw the faucet into bar- drill a hole on the side of the barrel, just below the depth of the when potable water is not necessary. The usage of rain barrels rel so that no thread is showing and the faucet is perpendicular to the barrel, basket when placed in the inflow. NOTE: helps to infiltrate stormwater instead of becoming runoff. using an adjustable wrench if necessary. Think about where you would like to direct the overflow. Be sure to direct the overflow away from house and foundation. Tools & Supplies Needed Wrap Teflon tape around longer end of the brass garden hose -Protective eyewear -8” Groove joint pliers -55 gallon food grade adapter two times counterclockwise. Screw barrel (not pictured) the long end of the brass garden hose -Work gloves -8” Adjustable wrench adapter into the hole on the side of the barrel, -3/4-inch brass faucet using an adjustable wrench, if necessary. -Rubber gloves -Reciprocating saw or jigsaw -3/4-inch garden hose Wearing rubber gloves, apply sealant around -Power drill with 1” hole -Ruler adapter the threaded end inside the barrel. Begin saw -Scissors tightening the locknut by hand onto the faucet. Tighten the rest -Two 3/4 inch locknuts of the way using the groove joint pliers. -Teflon thread seal tape Step 5: Screening -Silicone sealant Wrap gray window screen around the pond basket or -Window screen colander and insert into the (approximately 24”x24”) inflow to keep out debris -Pond basket or colander and insects. Check basket and screen after rain events Barrels can be found from a wide range of suppliers, for debris and ensure including online searches and local food and bever- screen is covering inflow. age distributors. Supplies, tools and kits are avail- able at most hardware stores.
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