Drainage Engineer: Role Overview, Responsibilities & 2025 Salary Data
Drainage Engineers specialize in the design and analysis of stormwater management systems, flood control infrastructure, and water conveyance. They work on everything from local site drainage to large-scale watershed management projects, ensuring communities are protected from flood risk.
What Does a Drainage Engineer Do?
Drainage Engineers specialize in the design and analysis of stormwater management systems, flood control infrastructure, and water conveyance. They work on everything from local site drainage to large-scale watershed management projects, ensuring communities are protected from flood risk.
What Does a Drainage Engineer Responsible For?
- Design stormwater drainage systems for site and infrastructure projects
- Perform hydrologic and hydraulic analysis (HEC-HMS, HEC-RAS, SWMM)
- Develop floodplain studies and LOMR/LOMA applications
- Prepare drainage reports and permit documentation
- Design detention and retention pond systems
- Coordinate with municipalities and regulatory agencies
- Review contractor submittals and conduct site inspections
- Ensure compliance with NPDES and MS4 requirements
Drainage Engineer Qualifications & Requirements
Technical Skills
- •3-10 years of stormwater/drainage design experience
- •Proficiency in HEC-RAS, SWMM, HEC-HMS, and Civil 3D
- •Knowledge of FEMA floodplain mapping and NFIP
- •Experience with green infrastructure and low-impact development (LID)
- •Familiarity with local and state stormwater regulations
Professional Competencies
- •Analytical and detail-driven
- •Clear written and verbal communication
- •Ability to explain technical concepts to non-engineers
- •Collaborative with multidisciplinary teams
- •Proactive in regulatory coordination
Education & Certifications
Education:
Bachelor's degree in Civil or Environmental Engineering
Certifications:
EIT required; PE preferred; CFM (Certified Floodplain Manager) a plus
Preferred Qualifications
- +Experience with FEMA LOMR/CLOMR submittals
- +Green infrastructure and stormwater quality design experience
- +Knowledge of MS4 permit compliance
Drainage Engineer Market Outlook
Path to Senior Water Resources Engineer
Drainage Engineers advance to Senior Engineer, Water Resources Manager, and Practice Leadership roles.
Typical Career Progression:
Drainage Engineer Salary Ranges (2025)
$72,000 - $110,000
Entry Level: $62,000 - $78,000
Mid Level: $78,000 - $105,000
Senior Level: $105,000 - $135,000
Salaries vary by experience, location, company size, and specialization.
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