What does the acronym CWEA stand for?

The correct answer is B, which stands for the California Water Environment Association. This organization plays a vital role in promoting the study and practice of water quality management and the sustainable use of water resources within California. The CWEA provides training, certification, and various resources for professionals in the water industry, particularly those involved in wastewater treatment and the management of water environments.

This option encompasses the association's focus on water quality and environmental sustainability, which is central to their mission. The other choices provided do not accurately represent the organization’s name or its primary focus, which includes education, training, and advocacy for better practices in water resource management.