Just to add to the earlier ...

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Just to add to the earlier points: several studies and regulatory assessments have found that non-biocidal anti-fouling coatings—when properly selected and applied—pose no direct human health risk, particularly those based on stable materials like silicone or fluoropolymers. However, it's worth noting that potential issues could arise over time due to coating degradation, improper application, or the presence of additives not suitable for potable water use.

Given the variability in product formulations and approval standards, it’s a good idea to consult suppliers familiar with water utilities who may help identifying coatings that meet local compliance requirements and have a reliable performance record under riverine conditions, including fluctuating flows, sediment load, and biological activity.

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Thanks for that.  Do you have details of any of these studies or assessments please, so that I could try to obtain copies?

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Thank you for your follow-up. My earlier comments were based on a quick glance at the title and abstract of few articles on non-biocidal anti-fouling solutions and their applicability in water treatment systems. While I haven’t conducted any systematic search but here are a few references listed below:

doi.org/10.1016/j.porgcoat.2003.06.001 (Coatings technology for fouling control)

doi.org/10.1016/S0378-4274(98)00048-4 (Toxicological considerations of anti-fouling agents)

doi.org/10.17265/2159-5879/2016.01.007 (Non-biocidal alternatives in water infrastructure)

 

These may not directly address your exact query but should offer some relevant perspectives.

If you need a detailed assessment—covering safety, regulatory compliance, and long-term performance of non-biocidal paints in large-scale raw water intakes—we have the technical background and resources to investigate this further. Let me know if you’d like a deeper dive into your specific requirements.

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