New Mexico Advanced Water Operator Certification Practice Test 2025 – Comprehensive All-in-One Study Guide to Ensure Your Success!

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What is defined as the relationship between the yield of a well and the amount of drawdown in the well?

Well Capacity

Specific Capacity

The relationship between the yield of a well and the amount of drawdown is defined as Specific Capacity. Specific Capacity is a critical concept in hydrogeology and water well management, as it quantifies how efficiently a well can produce water under given conditions. It is calculated by dividing the discharge rate (yield) of the well by the drawdown, typically measured in feet or meters.

This relationship is important for understanding how much water a well can supply over time and identifying potential issues related to well performance, such as the depletion of groundwater resources or the need for additional development of water sources. When specific capacity is high, it indicates that the well can yield a substantial amount of water with relatively low drawdown, suggesting good aquifer conditions. Conversely, a low specific capacity may point to issues such as inefficient well construction, low permeability of the aquifer, or a reduction in the water table.

Understanding specific capacity is essential for water operators in making informed decisions about well management and ensuring sustainable water supply systems.

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