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Building a Water Balance for a Food Factory

A simple method for turning total site water consumption into actionable process, hygiene and utility losses.

2 min read Source: AFME Technical Knowledge Reviewed: August 31, 2026

Why this matters in food manufacturing A monthly water bill tells you what the site consumed but not where it went. A water balance divides total incoming water into process, hygiene, utilities, domestic use, product uptake, evaporation and effluent so losses become visible. In food manufacturing, water reduction must never compromise hygiene or food safety. The purpose is to identify unnecessary volume, uncontrolled flow and avoidable losses while protecting validated cleaning standards. 1. Define the boundary Start with the fiscal or main incoming meter and confirm the period being balanced. Map major branches: production halls, cookers, cooling systems, CIP, hygiene stations, boilers, refrigeration, welfare and external users. Use existing submeters first. Where data is missing, use temporary clamp-on meters, timed fill tests, equipment specifications and controlled observations to build an initial estimate. 2. Separate fixed and variable demand Plot water against production volume and operating hours. A high base load when production is stopped points to leaks, running hoses, cooling flows, overflows or utility demand. Variable demand should make operational sense. For example, cooker make-up should correlate with throughput; hygiene…

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