Environment Impact Assessment - Hydrology and Hydrogeology

At Raincloud, we provide specialist hydrology and hydrogeology input to Environmental Impact Assessments (EIA) for residential, commercial, infrastructure, renewable energy, utility and mixed-use developments across the UK. Our experienced consultants support projects from initial feasibility and EIA scoping through to Environmental Statement preparation, helping clients identify, assess and mitigate potential impacts on the water environment.

Water is often one of the most sensitive environmental receptors within the planning process. Developments can affect surface water quality, groundwater resources, flood risk, hydrological processes and aquatic ecosystems, making robust assessment essential to support planning applications and environmental consents.

Our hydrology and hydrogeology specialists work closely with developers, planners, environmental consultants and design teams to ensure potential effects are identified early and that practical mitigation measures are incorporated into project design from the outset.

What is a hydrology and hydrogeology EIA assessment

The hydrology and hydrogeology chapter of an Environmental Impact Assessment evaluates the potential effects of a proposed development on surface water and groundwater environments during both construction and operation.

The assessment considers factors such as:

  • Surface water runoff and drainage.

  • Rivers, streams, ponds and watercourses.

  • Groundwater resources and aquifers.

  • Water quality and pollution risks.

  • Flood risk and floodplain impacts.

  • Changes to hydrological and hydrogeological processes.

  • Effects on private water supplies.

  • Interactions with designated environmental sites.

  • Climate change resilience and future flood risk.

The aim is to ensure that any significant effects on the water environment are identified, assessed and appropriately mitigated to support sustainable development and environmental protection.

How Raincloud can help your project?

Experienced Water Environment Specialists

Our consultants have extensive experience delivering hydrology and hydrogeology assessments for developments ranging from small residential schemes to nationally significant infrastructure and renewable energy projects.

Early Identification of Environmental constraints

We help developers understand water-related risks at the earliest stages of project development, reducing uncertainty and supporting informed decision making.

Planning and Regulatory Support

We work closely with planning authorities, environmental regulators, design teams and stakeholders to provide technically robust assessments that support planning applications and environmental consents.

Environmental Impact Assessment Services

Raincloud also provide the following EIA services:

  • Feasibility studies

  • Site walkovers

  • Scoping input

  • Constraints mapping

  • EIA Chapters

  • Private Water Supply Risk Assessments

  • Groundwater Dependent Terrestrial Ecosystems (GWDTE)

  • Watercourse Crossings Inventory

  • Construction Environmental Management Plans (CEMP)

  • Water Framework Directive (WFD) Assessment

  • Flood Risk Assessments

  • Hydrology Expert Witness