How much water does an overhead shower typically use?

An overhead shower is a common bathroom fixture that typically has a shower head with nozzles aiming directly down to the user. It is also commonly installed indoors and could have adjustments for spray pressure, temperature, and the nozzle itself.

The flow rate of an overhead shower is important because it determines how much water it can produce per minute, and this is regulated by federal, state, and local governments to save water and energy. A standard 2.5 GPM shower head uses about 25 gallons of water per minute, while a low-flow 1.8 GPM shower head only uses 18 gallons.

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