Industrial hygiene is the science and practice of recognizing, evaluating, and controlling occupational health hazards in the workplace. In the context of water resources management, industrial hygiene focuses on ensuring that water treatment and management processes do not pose health risks to workers or the surrounding community.

Air quality and modeling involve assessing and predicting the quality of the air in a given area, taking into account various pollutants and their sources. In water resources management, air quality is relevant to the assessment of atmospheric deposition of pollutants into water bodies and the impact of water treatment processes on air quality.

Noise quality and modeling involve assessing and predicting the levels of noise in a given area, taking into account various sources of noise. In water resources management, noise quality is relevant to the assessment of noise impacts from water treatment and management processes on surrounding communities.

Water quality assurance involves ensuring that water meets certain standards for human consumption, environmental protection, and other uses. In water resources management, water quality assurance is critical for protecting public health and the environment.