The Federal Energy Management Program's Water Evaluation Data Tool provides a method for collecting comprehensive water data during a building and campus walk-through survey. This tool helps energy and water managers obtain data about a suite of water end-uses such as plumbing fixtures, irrigation, commercial kitchen equipment, and cooling towers. This data provides the necessary information to estimate water consumption, develop a water balance, and identify future water-efficiency measures to complete comprehensive water evaluations.
The Water Evaluation Data Tool is comprised of the following materials.
This document provides general instructions on performing a walk-through water survey to collect the required data for a comprehensive water evaluation. It also includes the following printable forms, which provide a format to document key information during the walk-through survey portion of the water evaluation.
This Excel-based workbook can be used to store and organize data gathered during the walk-through survey.
The workbook provides a summary by both building and water end-uses after all data are entered, which is useful to organize the data needed to perform the comprehensive water evaluation.
Please note that some buildings or campuses will have water end-uses that are not covered by the Water Evaluation Data Tool. These may include single-pass cooling, medical or laboratory equipment, or water softeners. Evaluators are encouraged to capture information on these systems. Water-Efficiency Best Management Practices provides additional information on these end-uses.
Developing a Water Balance
Data collected and entered into the Water Evaluation Data Tool for the water end-uses of a building or campus can be used to generate a water balance, identify operation and maintenance issues that need to be addressed, and help identify water-efficient retrofit opportunities. To learn more about developing a water balance, see: