what might cause a well to hold less water each year ?
There are several potential reasons why a well may hold less water each year:
1. Declining groundwater levels: If the groundwater levels in the area surrounding the well are decreasing over time, it can result in less water being available for the well to draw from.
2. Over-pumping: Excessive pumping of water from the well can lead to a decrease in the water table, making it difficult for the well to replenish the water supply.
3. Drought conditions: Prolonged periods of drought can cause water sources, including groundwater, to become depleted. This can result in less water being available to replenish the well.
4. Geological changes: Changes in the geological formations or structural integrity near the well can impact the amount of water that the well can hold or access.
5. Contamination or clogging: If the well becomes contaminated with pollutants or is clogged with sediment, it can restrict water flow into the well and result in decreased water availability.
6. Insufficient recharge: If there is not enough rainfall or other sources of natural recharge to replenish the groundwater, the water available in the well can gradually decrease over time.
It is essential to consult a professional well inspector or hydrologist to accurately determine the cause for decreased water levels in a well and to find appropriate solutions.