Hydrologist

Study water flow, flooding and water resources to support engineering and environmental decisions.

This UK hydrologist career guide covers what the role involves day to day, typical salary at each stage, the usual entry route, the skills employers expect, and related careers worth comparing.

Quick facts

Starting salary
£28,000 - £35,000
Mid-career salary
£38,000 - £52,000
Senior salary
£58,000 - £80,000
Work environment
Mixed site / office / field work
Time to entry
3 - 5 years (BSc/MSc)
Degree required
Often helpful
Category
Green Energy and Sustainability

What a Hydrologist does

Study water flow, flooding and water resources to support engineering and environmental decisions.

  • Flood Risk Modelling - 1D/2D hydraulic models for flood risk assessment.
  • Water Resources - Catchment yield and abstraction studies.
  • Urban Drainage - SuDS and urban drainage modelling.
  • River Restoration - Design river restoration schemes.

How to become a Hydrologist

  1. Look up Hydrologist roles on LinkedIn or Indeed and read 5 real job ads
  2. Talk to someone already working as a Hydrologist - even a 15-minute call helps
  3. Find one beginner course or qualification used by people in this role
  4. Build one small piece of evidence you've explored this (project, shadowing, short course)
  5. Apply to one entry-level role or related opportunity within the next month

Key skills

  • Modelling
  • GIS
  • Stats
  • Reporting
  • Field work