Regional Water Plan: Region H, 2016, Volume 1. Main Report Page: 1-31
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1.6.4 Water Loss Audits
An important part of a municipal conservation plan is minimizing the amount of water loss in their
distribution system. Retail entities that have an active financial obligation with TWDB or have more
than 3,300 connections are required to submit water loss audits annually. All retail public water
suppliers are required to submit a water loss audit every five years. The next upcoming audits for the
five-year cycle will be submitted by May 1, 2016.
The water loss reporting followed a methodology recommended by the International Water
Association (IWA) and the American Water Works Association (AWWA) Water Loss Control
Committee. The methodology relies on defined water use categories as shown below:
Apparent Losses represent water that was used but not paid for, resulting in lost revenue. Apparent
losses include:
" Unauthorized Consumption
* Customer Meter Under-registering
" Billing Adjustment and Waivers
Real Losses represent water that is physically lost from the water system prior to use, resulting in lost
revenue. Real Losses include:
" Main Breaks and Leaks
" Storage Overflows
" Customer Service Line Breaks and Leaks
The results of the 2010 Water Loss Audit Study found a high level of inaccuracy suggesting that utilities
in the regions should refine their water accounting procedures. Within Region H, the study utilized
information provided by 665 utilities. As illustrated in Table 1-15, an aggregate of the region showed
overall real losses of 15.5 percent or the second highest of any region. This data represents a real
potential for the reduction of water demand through leak detection and other practices aimed at
increasing accountability.Region H 2016 Regional Water Plan 1-31
November 2015
Chapter 1 - Description of Region
Region H 2016 Regional Water Plan
1-31
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Region H Water Planning Group. Regional Water Plan: Region H, 2016, Volume 1. Main Report, report, November 2015; Conroe, Texas. (https://texashistory.unt.edu/ark:/67531/metapth838720/m1/79/: accessed July 16, 2024), University of North Texas Libraries, The Portal to Texas History, https://texashistory.unt.edu; crediting UNT Libraries Government Documents Department.