Which of the following is NOT a required operational analysis for lagoon control?

The correct response, which identifies moisture content of soil as not being a required operational analysis for lagoon control, is based on understanding the specific parameters that impact the operation and management of wastewater lagoons.

When it comes to lagoon control, the primary focus is on parameters directly related to the performance of the lagoon in treating wastewater. Flow measurements (both influent and effluent) are critical as they help determine the volume of wastewater being treated, allowing for balance and management of the lagoon's capacity and retention time.

Ambient temperature plays a significant role in the biological processes occurring within the lagoon, as temperature influences the metabolic rates of microorganisms responsible for decomposing organic matter. Therefore, monitoring ambient temperature is essential for assessing and optimizing the efficiency of the wastewater treatment process.

The pH of the primary cell is another critical factor, as it can affect the solubility of nutrients and metals and influence the activity of the microorganisms in the lagoon. Maintaining the appropriate pH range is necessary to ensure effective treatment performance.

In contrast, moisture content of soil is not directly related to the operational analyses required for lagoon control. While it may be relevant in other contexts, such as land application or other soil-dependent processes, it does not directly impact the management of the lagoon