M36 Water Audits and Loss Control Programs With a clear explanation of the IWA/AWWA water audit methodology and some of the best. AWWA Water Loss Control Committee—leakage management target- .. AWWA Manual M36, Water Audits and Leak Detection, published in and revised. AWWA M Manual: Guideline for Water Industry. Best Management Practices. For Water Loss Control. Began in February Completed in November

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Relatively little pressure management has been carried out to date in North America, but the M36 Manual recognises, from international case studies and improved predictive concepts, the increasing potential of this approach in North America.

Part of the challenge in calculating non-revenue water losses comes from the fact that some losses are physically or practically invisible.

Quantifying the impacts of water loss extends to both cost implications and water scarcity implications, each with ripple effects to other aspects of water supply operations.

Here are just some of the topics and step-by-step guidelines covered in the M36 water-audit manual that can help pinpoint water losses and indicate methods for reducing them:. Republished with permission from the Natural Resources Defense Council.

Like what you are reading? M36 audit implementation highlights three major priority areas for monitoring:.

The Value Of Conducting An M36 Water Audit

Component analysis of real losses has been available and used by consultants for over 20 years, but the Water Research Foundation Leakage Component Analysis LCA Model the first freely available to anyone and is explained in Awda With water distribution pipelines representing two-thirds of projected water utility expenditure across the U.


States that require full compliance with the M36 audit methodology or rudimentary reporting compliance are shown here Figure 2. Subscribe I agree to the Terms and Privacy Statement. From The Editor August 24, Sign up for our free newsletter.

AWWA M36 updated –

The AWWA Water Loss Control Committee recommended awwwa of the IWA methodology inand since then have been building a substantial foundation for training and implementing a common approach in each of the 50 states in the U. When it comes to non-revenue water losses, how many water utilities are in the same boat — knowing that some degree of water loss is occurring, but never quite getting around to the point of quantifying it? M36 uses progressive thinking and n36 on the journey to more accountable water management in North America.

That makes it hard to appreciate the real cost impacts until a complete audit is conducted.

According to the AWWA, its free water-audit software was downloaded 7, times between and Answering the question of how your utility is doing starts with establishing an audit performance benchmark, then following up annually with comparative audits.

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Company Profile Email Us. Still, transmission infrastructure leaks are not the sole area of concern.

Water use can fall into a variety of categories — revenue-generating, non-revenue-generating, known, and unknown. Pressure data collected for UARL and ILI calculation for systems in the State of Georgia showed an average pressure of 76 psi 53 metres with the 91 highest pressure systems having an average of 98 psi 69 metres.

AWWA M36 updated

The AWWA Water Loss Control Committee, the Technical Review Board members who finalized the Manual, and the many volunteers who drafted, edited and provided the significant and critical commentary essential to updating a manual of this magnitude, are to be congratulated on a considerable achievement and a valuable addition to international NRW management.


The Water Loss Control Committee and the State of Georgia have already published audited water balance and performance indicators data for named Utilities; see for example North American ILIswhich can now increasingly be compared with international leakage management performance at Global ILIs.

Get the latest water industry news, insights, and analysis delivered to your inbox. Fortunately, the AWWA has a solution in its M36 water audit guidelines and free water-audit software, which provide reliable methodologies for breaking costly old habits.


The Value Of Conducting An M36 Water Audit

It might take a month or two before you can change the impacts of non-revenue water losses, but I promise you will thank yourself in the long run. A and 10 provinces in Canada.

Being prepared to identify and minimize both the costs and the side-effects of unchecked water loss can help to break the vicious cycle where unaccounted losses lead to increased stress on a dwindling resource. K36 ofonly 6 states have mandated use of the M36 methodology, 20 more mandate only rudimentary water-loss reporting, and 24 states have no water-loss reporting mandate at all.