What is typically monitored to assess well water quality?

The presence of pollutants is a critical factor in assessing well water quality because it directly impacts the safety and usability of the water for consumption and other applications. Monitoring for pollutants includes the testing for harmful substances such as bacteria, heavy metals, pesticides, and chemical contaminants. These substances can enter groundwater from various sources, including agricultural runoff, industrial discharges, and improper waste disposal.

By evaluating the presence and concentration of pollutants, water quality professionals and regulatory agencies can determine whether the well water meets safety standards for human health and environmental protection. Regular testing for pollutants helps ensure that the water is safe for drinking and other uses, making it essential for public health monitoring and resource management.

In contrast, ambient air temperature, soil erosion rates, and surface runoff levels, while relevant to broader environmental assessments, do not directly measure the quality of water in a well. Therefore, these factors are not primary indicators of well water safety or quality.