Which is an essential consideration in the design of a sewage treatment facility?

An essential consideration in the design of a sewage treatment facility is its location relative to population. This factor is crucial because it directly influences the efficiency and practicality of the sewage treatment process. A facility needs to be situated close enough to the population it serves in order to minimize the length of sewage transport, which can reduce environmental impact and operational costs. Additionally, being near the population helps ensure that the facility can adequately handle the volume of wastewater generated, which varies with population density and urban development. It also facilitates easier access for maintenance and monitoring by operational staff, enhancing overall system reliability and performance.

Cost of construction is important but secondary to ensuring that the facility effectively meets the needs of the population it serves. Availability of raw materials is more a concern for construction logistics than for the ongoing operation of the facility. Design aesthetics, while relevant for community acceptance, do not influence the fundamental operational capabilities of a sewage treatment plant. Thus, the location relative to population remains paramount in designing a sewage treatment facility.