Well casing is a steel or plastic pipe inserted into a drilled well to support the sides of the well bore and prevent contamination of the water supply. It maintains the well structure, prevents the collapse of the well walls, and keeps surface water or contaminants from entering the well. Well casings are essential for ensuring the safety and longevity of water wells, allowing for effective pumping and water extraction. Proper installation, sealing, and maintenance of well casings are critical to maintaining water quality, preventing leaks, and ensuring compliance with health and safety standards.
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