Agricultural Engineering 2025 – 400 Free Practice Questions to Pass the Exam

Overlapping drawdown from wells refers to the simultaneous extraction of water from multiple wells that are closely spaced and drawing from the same aquifer. This practice leads to a significant reduction in the groundwater level, which can result in groundwater depletion.

When the water table is lowered due to excessive pumping, it not only affects the immediate water availability for irrigation but can also cause long-term consequences for the surrounding ecosystem and agricultural practices. As the aquifer is depleted, wells may dry up, making it challenging for farmers to access the necessary water for crop irrigation. This depletion can also lead to increased costs for deeper drilling or the need to seek alternative water sources, which may not be sustainable in the long run.

While the other options present potential issues associated with water usage in agriculture, the direct and principal outcome of overlapping drawdown is the depletion of groundwater resources. This highlights the importance of sustainable water management practices to protect aquifers and ensure a reliable supply of water for agricultural needs.