CWEA Collections Grade 2 Journey/Analyst Practice Exam - Prep & Study Guide

To find the total estimated unrecoverable gallon volume from a sewer spill, you begin by calculating the total volume of the spill using the flow rate and the duration of the spill. The formula for calculating the volume is:

Volume = Flow Rate × Time

In this case, you have a flow rate of 166 gallons per minute (gpm) and a duration of 217 minutes. By multiplying these two figures:

Volume = 166 gpm × 217 minutes = 36,022 gallons

This calculation indicates that the total volume of the sewage spill is 36,022 gallons. This figure represents the total estimated unrecoverable gallon volume of the spill. It is necessary to perform the multiplication accurately to reach the correct conclusion.

Understanding how to apply this calculation is critical in wastewater management, as it helps in efficient disaster response and mitigation strategies when handling sewer spills.