Broken and Damaged Well Caps
Well caps come in a variety of shapes, configurations, and materials. Older, one-piece caps (top left) often have gaps between the inside of the cap and the well casing, allowing insects and other contaminants to infiltrate the well. Two-piece caps (top right) are recommended as they are more secure against impurity intrusion. In either case, the cap should be properly secured to the well casing. If the securing bolts and/or nuts are loose or missing (as is the case in both pictures), the cap may be loosened or easily removed which allows for impurity intrusion.
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