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Rain Barrel Module

Rain Barrel Module. What will you do with the rain?. Water gardens, indoor plants Wash the dog, car, & muddy feet Use in toilet tanks when well pump isn’t working Birdbaths Landscape ponds? pH, dissolved oxygen, pollutants issues. Other tips.

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Rain Barrel Module

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  1. Rain Barrel Module

  2. What will you do with the rain? • Water gardens, indoor plants • Wash the dog, car, & muddy feet • Use in toilet tanks when well pump isn’t working • Birdbaths • Landscape ponds? • pH, dissolved oxygen, pollutants issues

  3. Other tips • Do not use rain barrel water for cooking or drinking • Do not collect rain water if you have used a moss-killer on your roof • Keep screen on top to prevent mosquitoes • Disconnect the barrel in winter • Use water within a week or two to discourage algae growth • Use water before next rain is expected

  4. Rain Barrels – How Big? • Estimate the drainage area of your roof: (Length x Width) Example: Length of roof = 40' Width of roof = 20' (Calculate the area of the roof that is draining to one gutter. If there is a ridge or peak in your roof, this separates the roof into drainage areas, calculate the individual drainage areas.) • Estimate the depth of rain: (In VA, use an estimate of 42" of rain per year - or 3.5 feet) Example: annual depth of rain = 3.5' (42"÷12"per foot = 3.5') (You can also use a depth of rain from a specific rainfall, just be sure to convert it into ‘feet’ units.) • Calculate the Volume: (Length x Width x Depth) Example: 40'L x 20'W x 3.5'D = 2800 cubic feet • Convert the Volume into Gallons: (Multiply Cubic Feet by 7.48 for Gallons) Example: 2800 cu ft x 7.48 = 20,944 gallons An average of 20,950 gallons of rainwater could be harvested from the 40x20 roof during one year. • To calculate the number of gallons from a 1" rainfall event: • 40'L x 20'W x .08' D = 66.7 cu ft volume x 7.5 gal / cf = 500 gallons of rain

  5. Plastic Barrel & lid • For Faucet at bottom of barrel: • Faucet, 2 washers, lock nut, caulking • For Overflow at top of barrel: • ¾ male hose brass adapter, lock nut, washers, caulk, hose • Screen for top Supplies

  6. TOOLSDrill With Hole Saw (1/16 Inch Smaller Than Faucet Insert) and Pilot Drill BitPliersPaper Towels(for Excess Caulk)Scissors to Cut ScreenHacksaw to Cut Downspout

  7. Drill hole near bottom

  8. Caulk Around Outside of Hole

  9. Screw Faucet in (Note Washer)Faucet Must Go in Straight – Not Angled

  10. Caulk inside, put washer in place, then the lock nut

  11. Lock nut being put in place (using pliers) Barley Flashlight and paper towel are useful.

  12. Faucet is in!

  13. Optional– drill a hole near top for overflow You can hook a hose to this so the water can overflow into another barrel, or into a garden. A washing machine hose is about 6’ long and works well for overflow use.

  14. Putting in a hose adapter for overflow • Steps: • Drill hole • Caulk the outside • Place washer • Screw in adapter • On inside-- add washer and lock nut

  15. Which side of the barrel will be best for your overflow? overflow faucet

  16. A screen will keep mosquitoes, twigs, etc. out of your barrel

  17. Cut screen larger than lid

  18. Screw the lid tightly onto the barrel, holding screen in place

  19. Level the dirt under your down spout, then add some sand

  20. Rain barrels need to be higher than ground level This is for good water pressure. You can build a platform with bricks, cinder blocks or treated wood.

  21. Measure and cut off part of downspout Hacksaw

  22. Put the barrel in place The curved end of the downspout is re-attached to the downspout

  23. Cinder blocks for more height Higher barrel = Higher water pressure Note the black hose connected to the faucet – it is a 6-foot-long washing machine hose. Great for filling watering cans.

  24. Overflow from one barrel to another There are many ways you could hook one barrel to another. Here, we used some plastic tubing and hose clamps.

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