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An End to the Green Water? Sant Elm Tests Seawater Circulation

Why Sant Elm’s Sea Can Turn Green

Sant Elm’s green water is linked to algae and nearshore conditions. Learn why it happens and what the circulation test is trying to do.

Published: April 21, 2026
An End to the Green Water? Sant Elm Tests Seawater Circulation

Answer

Why does the sea sometimes turn green in Sant Elm, Mallorca?

Green water in Sant Elm is generally linked to algal growth and changing water conditions near the shore. Factors such as nutrients in the water, limited circulation, and other environmental inputs can all play a role. The municipality is testing seawater circulation to see whether stronger mixing can make the problem less visible and easier to manage.

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