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How do I determine the number of drains needed for proper water drainage?

Posted by: Irrigation Outlet
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When you’re dealing with soil that has drainage problems, providing additional drainage opportunities can help improve your lawn and landscaping. Boggy soil and surface water that breeds mosquitoes and mold can be a thing of the past. But how do you figure out how many drains will be needed to get the proper drainage when you’re designing your new system? Unfortunately, like so many things in life, the answer is simply that it depends on your situation. Here are some details to help you figure out the answer.

Annual Rainfall

How much annual rainfall does your region receive? A drainage system designed for Arizona’s desert will be much smaller than one designed for Louisiana’s bayou. This will figure into your final system capacity requirements.

Periodic Rainfall

How much rain does your region typically receive in a single storm? An area that is otherwise dry may require a larger drain system if the rain that does fall tends to happen in large cloudbursts that would overwhelm a smaller system.

Slope of the Land

If you live on a high slope, you may have water moving down the slope at a much faster rate than you would see if you were living on a flat property. This can increase the speed at which water overwhelms your drainage system, requiring a different system than your situation would otherwise need.

Soil Conditions

Last but certainly not least is the soil conditions at your site. If you have dense soil that does not absorb water well at all, you’ll need more drainage than in a loose loam or sandy soil where the soil will take part of the load for your system. A quick check with your county extension office to determine the soil type and capacity in your area’s Soil Survey maps will help figure out this part of the puzzle.

By keeping these conditions in mind, you can design a drain system that will provide you with plenty of drainage, making your yard a much more comfortable place to hang out. If you need help finding the right components or have questions about your irrigation and drainage systems, please feel free to contact us today.