What is typically true about the pumping phase of water levels in a well?

During the pumping phase of a well, it is typical for water levels to drop below the static water level. This occurs because the extraction of water by the pump reduces the hydrostatic pressure and causes a cone of depression in the aquifer surrounding the well. As long as the pump is active, it draws water from the surrounding saturated zone, leading to a decline in the water level until the balance between the rate of recharge and the rate of discharge is restored. This behavior is a key aspect of well hydraulics and is essential for monitoring and managing groundwater resources effectively. Understanding this phenomenon is crucial for water well monitoring technicians to ensure proper well operation and sustainable water extraction practices.