Science

Unacceptable bacteria levels at Jersey beaches

Infrastructure and Environment bosses say they believe significant rainfall has caused poor results.

Published May 25, 2026, 12:08 PM
Updated May 25, 2026, 12:19 PM2.4K
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Unacceptable bacteria levels at Jersey beaches

BBC A Jersey beach. The sky is blue and the water is blue. The beach is sandy. BBC

Monitoring is due to continue until 21 September

Restarted weekly tests to determine the quality of Jersey's seawater have identified "unacceptable levels of bacteria in seawater" in some spots.

Infrastructure and Environment said routine bacteriological seawater samples taken on 18 and 19 May at Plemont, Grouville, Harve des Pas and Victoria Pool found the high levels of pollutants.

Staff said they believed the poor results were due to significant rainfall on 17 and 18 May which caused runoff from land into the sea. They said beaches would be re-sampled on Tuesday and Wednesday.

They added general public health advice was to avoid entering the sea for at least 48 hours after heavy rainfall events.

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