Runoff From Roof Stones

Last week i talked a bit about how a green roof is one way to help manage stormwater runoff.

Runoff from roof stones.

Creating gravel or stone beds can slow runoff filter water and aid in reabsorption of stormwater. For slopes consider creating a dry creek to catch slow down and. Large river jack stone with silt fabric lining the trench prevent erosion from large volumes of surface water keep weeds out and keeps the stones clean. Dry wells are particularly helpful in a spot where downspouts are flooding a large paved area or when you re coping with runoff from a large roof.

Landscaping tricks to manage stormwater runoff help rainwater absorb slowly back into the earth with paving grids gravel beds and other porous systems. Use a shallow gravel filled trench to catch and slow runoff especially at the base of a slope or alongside a driveway or patio. The channel should be protected with grass or other vegetation. Build one watch what happens after a storm and then enlarge it as needed.

Measure along the length of the house or building and along the width of the house or building in feet. Discharging runoff to an unsuitable area will just move the problems downhill. Designing a rain garden to handle all of the runoff from a roof or driveway entails careful calculations. Whenever you are redirecting runoff you must send it to a suitable outlet.

Try digging your own gravel path to create an attractive environmental landscaping feature. In nature most precipitation soaks into the ground where it falls. A swale is a wide shallow ditch in which water can flow to a suitable outlet. Be aware that redirecting runoff without soaking it into the soil can negatively impact neighboring properties.

In particularly heavy storm events the debris washed away from by excess water will be captured in a catch basin pictured. Figure out where water runs off your driveway or patio and then dig a. Minimize impervious surfaces on your property. Count the number of downspouts coming from your roof.

Use this water to irrigate garden plants. Use the water that drains off your roof. Locate a rain garden at least 10 feet from your house and at least four times that far from a septic system or steep slope. Divide 100 by the number of downspouts in order to obtain the percentage of water collected from each downspout.

Step 1 determine the footprint of your structure f in square feet. Finally you can dig a dry well in any low area. We also extended all the runoff from the roof and other catch basin drains in the yard to this creek bed using buried pvc pipe for positive drainage away from the house. But you can also learn by experimenting.

One popular solution to a drainage problem is to route rain water to a low point in your yard where it can flow away from the house naturally over rocks in a dry creek bed. Install a rain barrel or cistern to catch stormwater runoff from roofs. Mark where you want to place the path dig two to three inches deep then layer in a hard stone pack on the bottom and some gravel or crushed stone on top.