Who is responsible for determining the grade of a wastewater treatment plant if it cannot be found?

The responsibility for determining the grade of a wastewater treatment plant primarily lies with the Department of Environmental Protection (DEP). This agency is tasked with overseeing environmental regulations and ensuring compliance with state laws related to wastewater treatment.

In instances where the grade cannot be found, the DEP utilizes established criteria and regulations to assess the plant’s operational capabilities, equipment, and process technologies. Their determination is significant because it directly influences the level of oversight and monitoring required for the facility, which can vary based on its classification.

While other entities, such as local health departments or mayors, may have an interest in the facility's operations, they do not possess the same authority or technical resources as the DEP. Thus, the DEP's role in this process is crucial for maintaining environmental integrity and public health standards related to wastewater management.