What is the standard weight of water per gallon?

The standard weight of water per gallon is 8.34 pounds. This value is crucial in water treatment and distribution because it helps in calculating flow rates, dosing chemicals, and understanding the overall dynamics of water systems. The weight of water can vary slightly depending on its temperature and impurities, but 8.34 lbs/gal is the accepted standard at room temperature (approximately 60°F or 15.6°C).

In practical applications, this figure is used by water operators to convert between volumes and weights, helping to ensure accurate treatment processes and compliance with regulations. Understanding this standard also aids in properly sizing equipment and predicting the behavior of water in various systems, making it a fundamental piece of knowledge for anyone in the water treatment industry.