Earthworms and water fleas: Water firm trials radical wastewater treatment method

A water firm is using earthworms and water fleas to treat wastewater as part of an international study aimed at protecting and improving water resources.

The EU funded project, which is being trialled in 11 countries including Scotland, will measure the effectiveness of earthworms, water fleas and microalgae as a carbon neutral method of treating wastewater. 

The 12-month Scottish Water pilot is taking place in the small rural community of Littlemill in Nairnshire. It was chosen based on size, remote location and exposure to the Scottish climate. Scottish Water said it had the “perfect” conditions to test the reliability and adaptability of the technology.

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