Swimmers warned away from Thames bathing site due to toxic algae bloom

A newly designated Thames bathing area in London has been closed to swimmers due to blue-green algae linked to sewage nutrient pollution, extreme heat, and low river flow.

First covered Aug 19, 2026 · 9:32 AM PT · 1 article · no longer in the live window

Swimmers warned away from Thames bathing site due to toxic algae bloom — Image via theguardian.com

Coverage

38d Guardian Environment Swimmers warned of toxic algae at newly designated Thames bathing site — People told they and their pets should keep out of river at Ham amid anger over Thames Water’s treated sewage plan Swimmers are being warned not to enter the…

More coverage from around the web

gbnews.com London news: Swimmers issued warning over toxic algae at London bathing spot

lbc.co.uk Do not swim warning issued as toxic algae discovered at London Thames bathing spot weeks after opening | LBC

cbsnews.com Watch CBS News

feeds.bbci.co.uk Swimmers warned out of sea after toxic algae find

amp.cbc.ca Nova Scotia

Appeared in: 2026-08-20 (#18)

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