Tag Archives: Annette Davison

#242 – GO WITH THE FLOW – WHAT MAKES A GOOD WATER SUPPLY SYSTEM PROCESS DIAGRAM? – ANNETTE DAVISON

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Objective: to protect public health by supplying safe, quality drinking water to our customers

Risk: the effect of uncertainty on objectives. (ISO 31000:2018)

The Australian Drinking Water Guidelines note that assessment of the drinking water supply system, including understanding its characteristics, sources of hazard and risks, is an essential prerequisite for subsequent steps in which effective strategies for prevention and control of hazards are planned and implemented. A water supply system can be defined as anything from source to endpoint – the components of this system depend on the type of water product or service being delivered, the specific processes involved, the interested parties in the supply chain and the required regulatory and formal requirements. Continue reading →

#234 – ‘FROM PERFUNCTORY TO PREDICTION’ – GETTING VALUE FROM WATER QUALITY DATA – ANNETTE DAVISON

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The Framework for Management of Drinking Water Quality (Australian Drinking Water Guidelines) includes several requirements for water supply system monitoring. You’ve been collecting water quality data for years. You will be doing compliance reporting. You will probably be doing some short-term trending analysis. You might be doing long-term trending analysis. Continue reading →

#232 – ‘R’ IS FOR (WATER QUALITY) REPORT: BUT WHAT TYPE OF REPORT? – ANNETTE DAVISON & PHIL KRASNOSTEIN

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…..an explosive noise: the ‘report’ of a rifle.

…..an account or statement describing details or observations of an event, situation or other

 

 

A document plops into your inbox, you’re about to present these water quality results to your board, you’ve been waiting for them all day and you need to understand the content quickly.You’re hoping for the latter definition of report, but do you feel like you’ve just received the former?  Here we look at what makes a good report, in particular, for water quality. Continue reading →

#195 – WATER GOVERNANCE: A REPEATING FAILURE – ANNETTE DAVISON

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AAA-150x150In 2016, we posed the question – ‘Is our Water Supply Governance Broken?’. We talked about waterborne incidents being a repeating occurrence and the need to have good evidence-based governance in place to assure good outcomes for our communities and ratepayers.

So what have we learnt since then? Have waterborne incidents and outbreaks stopped happening? Has water governance improved? Continue reading →

#187 – NANOPARTICLES AND OUR WATER SUPPLIES – ANNETTE DAVISION & IAN LAW

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AAA&The Engineered Nanomaterial (ENM) industry is developing rapidly worldwide, bringing with it an expected increasing presence of ENMs in municipal wastewaters and ultimately, community water sources and supplies, over time. Happening in parallel, there is an increasing integration of the water cycle to help optimize use of our precious water resource – an integration that may increase exposure to ENMs. Given their increasing prevalence, what are the exposure pathways and public health risks posed by these ENMs? Can our water utilities really say we need not fear ENMs in our water supplies? How safe is the water we drink? Continue reading →