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DWI Regulation 31 — Glossary | EuroCover

UK Drinking Water Inspectorate (DWI) approval requirement for non-metallic materials in contact with drinking water under the Water Supply (Water Quality) Regulations.

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UK Drinking Water Inspectorate (DWI) approval requirement for non-metallic materials in contact with drinking water under the Water Supply (Water Quality) Regulations.

DWI Regulation 31 is the UK Drinking Water Inspectorate approval requirement for non-metallic materials in contact with drinking water under the Water Supply (Water Quality) Regulations 2016. The NSF-61 certified HDPE variant of the hexagonal floating cover satisfies Regulation 31 for contact with potable water in UK water utility service reservoirs.