Course Description

Industrial facilities rely heavily on water for a wide range of applications, including cooling, heating, cleaning, processing, and HVAC operations. Despite its importance, water usage is often not fully tracked, especially in older facilities or complex systems. A key challenge in water management is the presence of unmetered consumption, which can represent a substantial portion of total usage. Without accurate accounting, it becomes difficult to identify inefficiencies or optimize performance. Understanding how water flows through a facility is the first step toward effective estimation. This includes identifying inputs, outputs, storage points, and losses. Increasingly, regulatory requirements and sustainability initiatives are pushing organizations to improve transparency in water usage, making estimation techniques more important than ever.

What you'll learn in this course?

• • Industrial water use includes process, cooling, cleaning, and HVAC applications across facilities. • Accurate water accounting is essential for cost control, compliance, and sustainability goals. • Many facilities lack complete metering infrastructure, leading to unaccounted water use. • Unmetered water can represent a significant portion of total consumption. • Water audits often reveal discrepancies between supply and measured usage. • Estimation methods help bridge the gap where direct measurement is unavailable. • Understanding water flow paths is critical before applying estimation techniques. • Regulatory frameworks increasingly require water use reporting and accountability.

• • Estimating unmetered water improves operational transparency and resource management. • It enables identification of inefficiencies and hidden losses. • Supports environmental compliance and reporting requirements. • Helps reduce operational costs through improved water efficiency. • Facilitates benchmarking against industry standards. • Provides baseline data for conservation initiatives. • Supports decision-making for infrastructure upgrades such as metering systems. • Enhances sustainability and corporate responsibility reporting.

• • Cooling towers and evaporative condensers often lack dedicated water meters. • Boiler blowdown and steam losses are frequently unmeasured. • HVAC humidification systems may consume significant but untracked water. • Leakage from piping networks contributes to hidden water losses. • Cleaning and washdown activities are often not metered individually. • Irrigation systems may operate without monitoring devices. • Process water usage in manufacturing may be partially unmetered. • Domestic usage in industrial facilities may not be separately tracked.

• • A water balance accounts for all inflows, outflows, and losses within a system. • It is a fundamental tool for estimating unmetered water consumption. • Total water supply should equal the sum of measured and unmeasured uses. • Discrepancies indicate potential unmetered consumption or leaks. • Water balance calculations require accurate input data and system understanding. • The approach can be applied at facility-wide or subsystem levels. • Regular updates improve accuracy over time. • Visualization tools help identify anomalies and trends. Wiscademy | Guidelines for Estimating Unmetered Industrial Water Use 2

• • Estimation methods include empirical, analytical, and benchmarking approaches. • Engineering calculations rely on system parameters and operating conditions. • Empirical methods use historical data and industry averages. • Benchmarking compares usage with similar facilities or standards. • Hybrid approaches combine multiple methods for improved accuracy. • Selection depends on data availability and system complexity. • Simpler methods may introduce higher uncertainty. • Advanced methods require more detailed data and expertise.

Prerequisites

• Basic engineering knowledge and familiarity with HVAC or industrial utility systems