1. What is a Daily Water Usage Calculator?

Definition: This calculator estimates daily water consumption based on the number of persons in a household.

Purpose: It helps households and facilities managers understand their water needs and plan water conservation strategies.

2. How Does the Calculator Work?

The calculator uses the formula:

Where:

• \( U \) — Daily water usage (gallons)
• \( P \) — Number of persons

Explanation: The calculation is based on the EPA estimate that the average American uses about 80 gallons of water per day.

3. Importance of Water Usage Calculation

Details: Understanding water usage helps in budgeting, conservation planning, and sizing water systems appropriately.

4. Using the Calculator

Tips: Simply enter the number of persons in your household. The number must be > 0.

5. Frequently Asked Questions (FAQ)

Q1: Why is 80 gallons used as the average?
A: This is the EPA's estimate for average daily indoor water use per person in the United States.

Q2: Does this include outdoor water use?
A: No, this is for indoor water use only. Outdoor use can vary significantly based on landscaping and climate.

Q3: How can I reduce my water usage?
A: Install water-efficient fixtures, fix leaks, take shorter showers, and run full loads in dishwashers and washing machines.

Q4: Does this vary by region?
A: Yes, water usage patterns can vary based on local climate, water availability, and conservation practices.

Q5: What's included in the 80 gallon estimate?
A: It includes all indoor uses - toilet flushing, showers, baths, faucet use, laundry, and dishwashing.