Guidance

Preparing a hydrogeological impact assessment

When and how to prepare a hydrogeological impact assessment (HIA) before you apply for a groundwater abstraction licence.

• From: Environment Agency
• Published: 13 March 2025

Applies to England

Documents

Preparing a hydrogeological impact assessment

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You must prepare a hydrogeological impact assessment (HIA) before you apply for a groundwater abstraction licence to:聽

• work out the risks聽
• design mitigation measures which manage the impact to other abstractions and the environment聽聽

This guidance explains when and how to prepare a HIA before you apply for a groundwater abstraction licence.

Published 13 March 2025