What should be done to prevent surface water from pooling around the well casing?

To prevent surface water from pooling around the well casing, grading the area to drain water away is essential. Proper grading creates a slope that directs runoff water away from the well, thereby minimizing the risk of contamination from surface water. If surface water accumulates near the well, it can lead to potential issues such as sediment infiltration, nutrient leaching, or other contaminants entering the well, jeopardizing water quality.

While leveling the ground might seem beneficial, it does not ensure that water will be diverted away from the well casing. Simply painting the casing does not impact water drainage, nor does establishing a concrete barrier effectively address the pooling of surface water. Proper grading is the most effective strategy to mitigate these risks and protect the integrity of the water supply.