EIA Hydrology Consultant

Role Overview

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ERM is seeking a Consultant Hydrologist EIA Water Specialist to support the team with writing hydrology Environmental Impact Assessment (EIA) chapters and associated technical appendices ensuring compliance with relevant legislation and client requirements.

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Role Overview

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ERM is seeking a Consultant Hydrologist EIA Water Specialist to support the team with writing hydrology Environmental Impact Assessment (EIA) chapters and associated technical appendices ensuring compliance with relevant legislation and client requirements.

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You will conduct technical assessments, including:

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• Groundwater Dependent Terrestrial Ecosystems (GWDTE) risk assessments
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• Private water supply risk assessments
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• Watercourse Crossing Inventories
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• Water Quality Monitoring Reports
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• Water Framework Directive assessments.
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The role will involve regular fieldwork: site walkovers for EIAs, water quality monitoring, private water supply surveys, writing risk assessments, 4x4 experience desirable.

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As a Consultant, part of your role will be to mentor junior colleagues in the above assessments and field survey.

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Other Responsibilities

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• Support scoping and baseline data collection for surface water and groundwater.
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• Liaise with ecologists, hydrologists, hydrogeologists, and engineers to integrate water considerations into project design.
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• Apply best practice mitigation measures and contribute to Water Framework Directive (WFD) screening.
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• Prepare clear, defensible documentation for planning and permitting processes.
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Skills & Experience

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• Degree in a relevant subject
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• Experience in EIA water chapters and associated technical studies
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• Familiarity with UK water legislation, WFD compliance, and private water supply regulations / guidance
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• Demonstrated experience in renewables projects, including onshore wind and associated infrastructure, solar, and hydrogen with knowledge of planning and environmental requirements
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• Strong report writing and data interpretation skills.
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• Ability to manage tasks independently, work on multiple projects at a time, and mentor junior staff
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• It is desirable for you to have experience in writing flood risk assessments (FRA) and hydraulic modelling.
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Tools & Software

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• Experience using GIS (ArcPro) for spatial analysis, mapping, surface water modelling, and field survey data collection
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• Data analysis and visualisation (Excel)
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• Document and collaboration tools (MS Office Suite, SharePoint).
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• Desirable: hydrological modelling tools (e.g., FEH, HEC-RAS, FloodModeller).
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Career Level Expectations

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As Consultant level within ERM, you are developing leadership capability, supporting junior colleagues, and taking ownership of technical deliverables while growing client-facing skills.

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ERM is committed to creating an inclusive workplace where everyone feels valued, respected, and empowered to thrive, it’s an essential part of what makes ERM a great place to build a career and helps us create better solutions for our clients.

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We welcome talent from all backgrounds and provide equal opportunities for every candidate.

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If you have a disability, are neurodivergent, or need accommodations during the selection process, we’re here to support you.

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Our commitment doesn’t stop at hiring. Once you join us, we’ll ensure you have the tools, support, and adjustments needed to succeed and feel a true sense of belonging.

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Learn more about our Diversity, Inclusion & Belonging (DIB) efforts by visiting our website or exploring our 2025 Sustainability Report..

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