Infinity Pool Flow Rate Calculation: Determining the Right Water Overflow

To calculate the flow rate required for an infinity pool of 35 feet, consider the standard practice for infinity pool design. Generally, the overflow rate for residential infinity pools ranges between 1/4 to 1/2 inch per minute. In this example, we'll use the higher end of this range, which is 1/2 inch per minute.

Formula for Overflow Rate:

Overflow Rate (inches/minute) = Flow Rate (gallons per minute) / Pool Width (feet)

Reorganizing the formula to determine the flow rate:

Flow Rate (gallons per minute) = Overflow Rate (inches/minute) * Pool Width (feet)

Given:

Pool Width (feet) = 35 feet

Overflow Rate (inches/minute) = 1/2 inches/minute

Calculating Flow Rate:

Flow Rate = (1/2 inches/minute) * (35 feet)

Flow Rate ≈ 17.5 gallons per minute

So, the required flow rate for a 35-foot infinity edge swimming pool is approximately 17.5 gallons per minute to ensure a proper overflow.