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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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? 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.

Answering the question of how your utility is doing starts with establishing an audit performance benchmark, then following up annually with comparative audits.

Water use can fall into a variety of categories — revenue-generating, non-revenue-generating, known, and unknown. States that require full compliance with the M36 audit methodology or rudimentary reporting compliance are shown here Figure 2.


Republished with permission from the Natural Resources Defense Council. According to the AWWA, its free water-audit software was downloaded 7, times between and As 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.

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. 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. With water distribution pipelines representing two-thirds of projected water utility expenditure across the U.

Still, transmission infrastructure leaks are not the sole area of concern. M36 audit implementation highlights three major priority areas for monitoring:.

The Value Of Conducting An M36 Water Audit

Part of the challenge in calculating non-revenue water losses comes from the fact that some losses are physically or practically invisible. That makes it hard to appreciate the real cost impacts until a complete audit is conducted.


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:.

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. Subscribe I agree to the Terms and Privacy Statement. From The J36 August 24, Like what aww are reading?

AWWA M36 updated

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