Q:

How do you design a water well?

A:

Quick Answer

To design a water well, first choose the materials you want to use, such as stainless steel or PVC pipes, based on your budget and installation needs. Determine the depth for the well and length for the screen based on how far underground the groundwater is. Choose a diameter that provides the best water flow to fit your needs. Purchase material for a well screen that has appropriate open space sufficient to facilitate water flow and prevent clogging.

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Full Answer

The well must be deep enough to access several feet of the groundwater area. Install the screen material into the groundwater at the end of the well for 5 to 10 feet, or longer, depending on the amount of water produced in your zone or the presence of rock or clay in the table. The screen and well material are the same diameter. Base the diameter on the size of the well pump, adding at least 2 inches to create the most efficient water flow. Ask an expert to recommend the best diameter in relation to the water pump size and water table in your area.

Screens with slots are inexpensive and are hard to clog. Wire-wrapped screens offer a larger open area for water production and are more expensive. Choose a screen that retains at least 90 percent of the aquifer and filter material; plus, ensure that it provides sufficient soil sieve analysis data to meet your design needs.

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