Dr. Pat O'Sullivan | Uisce Matters Podcast Episode 5 | Uisce Éireann
𝗢𝘂𝗿 𝗱𝗿𝗶𝗻𝗸𝗶𝗻𝗴 𝘄𝗮𝘁𝗲𝗿 — 𝗵𝗼𝘄 𝗱𝗼 𝘄𝗲 𝗸𝗻𝗼𝘄 𝗶𝘁’𝘀 𝘀𝗮𝗳𝗲? Ireland’s drinking water is of a consistently high quality — but ensuring it stays that way relies on rigorous monitoring, science and regulation. In this episode of Uisce Matters, host Orlaith Blaney speaks with Dr Pat O’Sullivan, Drinking Water Compliance Senior Manager at Uisce Éireann Irish Water, about the substances that can make their way into water systems, from everyday household chemicals, to narcotics, to emerging industrial compounds. Pat explains how modern lifestyles influence what shows up in wastewater and source waters — and how those substances are assessed long before water reaches the tap. The conversation explores how monitoring works in practice, why some headlines can sound alarming without the full context, and how public health risk is evaluated using robust science. He also discusses specific issues people often worry about in their own homes, including lead in older plumbing, and emerging concerns like PFAS — outlining what is currently known, what is being monitored, and how regulation continues to evolve. At its core, this episode is about transparency, trust and reassurance — and how science, monitoring and regulation work together to protect the quality of our drinking water. For all episodes of the Uisce Matters Podcast, check out https://www.water.ie/about/uisce-matt... Give us a follow on our socials: Facebook: / irishwater LinkedIn: / uisce-eireann TikTok: / uisce_eireann_official Instagram: / uisce_eireann X/Twitter: / irishwater & / iwcare About Us We are Uisce Éireann. As Ireland's national regulated water utility, every day we are responsible for the delivery of secure, safe, and sustainable water services for the people of Ireland. Our job is to deliver the highest quality drinking water to your taps every day and ensure that wastewater is properly treated and safely returned to the environment. Our Purpose To rise to the challenge of delivering transformative water services that enable communities to thrive. Our Vision A sustainable Ireland where water is respected and protected, for the planet and all the lives it supports.

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