What is water metering used for?

• A. To measure soil moisture for irrigation scheduling.
• B. To measure air humidity.
• C. To estimate rainfall.
• D. To track water use and identify conservation opportunities.

Answer: (D)

Water metering tracks how much water is used by a building or system, providing data to manage demand, detect leaks or unusual usage, and guide conservation efforts. By capturing actual consumption over time, you can set baselines, measure the impact of efficiency upgrades, and encourage water-saving practices through monitoring and incentives. In green architecture, metering supports strategies like leak detection, planning fixture retrofits, and allocating water budgets, helping evaluate conservation programs. The other options describe different measurements: soil moisture sensing is for deciding when to irrigate, air humidity relates to indoor moisture levels, and rainfall estimation is meteorological rather than tracking use.