Dynamic Solutions International, LLC

Global Experts in Environmental Fluid Dynamics

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About the firm

DSI provides expert professional services and software solutions for water management and planning worldwide. Established as an environmental science and engineering practice, it offers client-focused solutions in water resources, water quality, hydropower, contaminated sediments, and groundwater. With offices in Edmonds, Washington, and Hanoi, Vietnam, it delivers global technical expertise to support public agencies, private companies, non-profits, and universities.

Established
1999
Firm type
Environmental Engineering · Software Engineering · Water / Wastewater Engineering · Coastal Engineering

People

Paul CraigChief Consultant & President

Nelson CraigProduct Manager

Capabilities

Water Resources and Environmental Engineering

Service website

Provides advanced environmental science and engineering solutions to analyze, manage, and model complex aquatic and water resource systems.

  • Hydropower and Reservoir Modeling

    Analyzes dam safety, reservoir systems, and hydraulic operations to balance environmental impacts.

  • Coastal and Marine Engineering

    Simulates hydrodynamics, temperature, and salinity levels in estuaries, bays, and open ocean settings.

  • Contaminated Sediments Evaluation

    Conducts transport and risk assessments of toxic substances in riverbeds, harbors, and soil.

  • Flood Analysis and Watershed Studies

    Evaluates storm events, watershed runoff, and inundation patterns to guide flood control strategies.

  • Morphological and Sediment Transport Studies

    Models the movement of river beds and coastal sediment dynamics over time.

  • Water Quality Consulting

    Evaluates eutrophication, chemical concentrations, and groundwater quality to satisfy regulatory compliance.

Modeling Software and Systems

Service website

Develops and maintains state-of-the-art surface water modeling suites and custom analytical platforms.

  • EFDC+ Explorer Modeling System

    Maintains an advanced, open platform multi-dimensional modeling package for hydrodynamics, sediment, and water quality.

  • Real-time Hydrodynamic Modeling

    Creates decision support tools that offer up-to-date system visualizations and forecast conditions 24 to 48 hours in advance.

  • Custom Engineering Software

    Develops specialized desktop and web applications tailored to specific hydraulic and hydrologic challenges.

  • Technical Training and Workshops

    Offers structured instruction, seminars, and educational support to help users build advanced modeling skills.

Expert and Community Support

Service website

Delivers trusted advisory services and technical advocacy for regulatory proceedings and community initiatives.

  • Expert Witness and Litigation Support

    Provides technical evaluations, scientific opinions, and testimony in legal and regulatory disputes.

  • Community Planning Support

    Assists public agencies, non-profits, and international development organizations with sustainable water policies.

Industries

Water Resources · Environmental & Remediation · Hydroelectric · Oil & Gas · Defense · Federal · Airports

Projects

Dynamic Solutions International, LLC - Engineering Firms