The WaterSense Water Budget Tool

The WaterSense Water Budget Tool can be used to comply with section 4.1.1 of Final Specification for Single-Family New Homes (PDF) (15 pp, 132K, About PDF) or to ensure a measure of efficiency and regional suitability based on local climate data.

• WaterSense Landscape Water Budget Tool Version 1.01 (XLS, 83K)—WaterSense released this updated MS Excel version of the Water Budget Tool on August 5, 2010 to address minor bugs and errors in the previous version. This version should replace all previous editions.

Help Using the Water Budget Tool

• Water Budget Quick Start Guide (PDF) (4 pp, 792K, About PDF)—an easy to use guide for first time users of the tool.
• Water Budget Approach (PDF) (14 pp, 256K, About PDF)—information on how to use the water budget and how the tool was developed.
• Water Budget Data Finder—Provides the local climate data necessary to complete the tool.

Additional Information

For more information regarding the development of the tool or the WaterSense Specification for Single-Family New Homes, please visit the New Homes Specification page.