What is the weight of 1 gallon of water?

The weight of 1 gallon of water is approximately 8.34 pounds. This value is a standard measurement used in various fields, including water treatment and environmental science, where understanding the weight of water is critical for calculations involving fluid dynamics, chemical dosing, and system design.

Additionally, it is convenient to know that a gallon is equivalent to 3.785 liters, which is commonly used in conversion calculations. This dual understanding aids in international contexts where liters are preferred over gallons.

The other options present inaccurate weight measurements for a gallon of water, which could lead to errors in practical applications such as treatment design, chemical dosing, or general troubleshooting in a water treatment facility. Recognizing the correct weight ensures accurate calculations and effective management of water treatment processes.