Water closets reduce water per flush to how many gallons?

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Multiple Choice

Water closets reduce water per flush to how many gallons?

Explanation:
Water closets are designed to use less water per flush to save resources. Since 1992, new toilets in the United States must not use more than 1.6 gallons per flush, so 1.6 gallons has become the standard maximum for modern models. Some newer high‑efficiency toilets go even lower (around 1.28 gpf or less), but among common options, 1.6 gpf is the typical value you’ll see. Flushing with more water (like 2.0 or 1.8 gallons) is less efficient, and 1.0 gallon is unusually low for standard toilets. So, the correct amount is 1.6 gallons per flush.

Water closets are designed to use less water per flush to save resources. Since 1992, new toilets in the United States must not use more than 1.6 gallons per flush, so 1.6 gallons has become the standard maximum for modern models. Some newer high‑efficiency toilets go even lower (around 1.28 gpf or less), but among common options, 1.6 gpf is the typical value you’ll see. Flushing with more water (like 2.0 or 1.8 gallons) is less efficient, and 1.0 gallon is unusually low for standard toilets. So, the correct amount is 1.6 gallons per flush.

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