Jersey Water's 2025 water quality report found 100% compliance in all water quality, and no failures for pesticides.
Jersey Water's Water Quality Report for 2025 shows it undertook 12,900 regulatory tests on treated drinking water.
Tests also included 240 samples from randomly selected homes.
All test aligned with the standards set by the UK and the European Union.
The island's drinking water has a 100% compliance in all water quality standards, including EU and UK regulations and guidance for PFAS.
Jersey Water says: 'While we do detect trace levels of PFAS in our treated drinking water, these are well within the regulatory standards set by the UK and EU.'
In August, the Government was told it should set a new, lower regulatory limit for PFAS levels in mains drinking water in Jersey.
The chair of the Scientific Advisory Panel said that whilst PFAS levels in drinking water are already lower here than in London and other parts of the UK, lowering the limit would future-proof our drinking water supply.
Jersey Water spent £160,000 on research into PFAS in the past year.
Additionally, over 28,000 tests were done on the island's untreated water, also called 'raw water', from streams and reservoirs.
In these, there were zero failures for nitrates and pesticides.
This year, Jersey Water replaced 130 lead pipes in the network.
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