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WATER QUALITY REPORT 2024

This report provides the latest findings from the 'Rediscovering the River Colne' programme, building on previous years’ data to guide action for improving the health of the River Colne in Watford.

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Throughout 2024, local volunteers played a vital role in environmental monitoring and habitat restoration, helping us better understand and address water quality challenges.

 

Key interventions included installing nature-based features—like woody berms and flow deflectors—to support river health and biodiversity.

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Pollution from multiple sources continues to impact the river, and under new national criteria, the River Colne has not met ‘good status’ for water quality.

 

The Watford Water Quality Forum, as part of the project, brings together partners to identify and tackle these issues through data-sharing, collaboration, and targeted local action.

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Download the full report to learn more about our progress and next steps for a cleaner, healthier River Colne.

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