What might cause a well to hold less water each year
There could be several factors that cause a well to hold less water each year. Some possible causes could include:
1. Groundwater depletion: Over time, excessive pumping or extraction of groundwater from the well and surrounding areas can deplete the underground aquifer, leading to a reduced water supply in the well.
2. Drought: Prolonged periods of drought can cause a decrease in the water table, leading to diminished water levels in wells. Lack of rainfall and insufficient recharge of groundwater can contribute to this problem.
3. Changes in the hydrogeological conditions: Natural changes in the rock formations, soil composition, or hydrological conditions surrounding the well can impact the flow and storage of water. For example, erosion or shifting underground structures can alter the capacity of the aquifer to hold water.
4. Contamination: If the well becomes contaminated by pollutants or chemicals, it may affect the quality and quantity of water available. Contamination can reduce the usability of the water, making it necessary to extract less water from the well.
5. Increased usage: If water usage in the area served by the well significantly increases, the well may not be able to keep up with the demand. This can lead to a depletion of water levels in the well.
6. Aging infrastructure: Over time, the well's infrastructure, including the casing, pump, or screens, may deteriorate or get clogged. This can restrict the flow of water into the well, reducing the amount of water it can hold.
It is recommended to consult with a professional well specialist or hydrogeologist if you notice decreasing water levels in your well to determine the specific cause and explore potential solutions.