Hydrologic and Hydraulic Modeling and Resilience Services

From flood risk and dam safety to resilient stormwater infrastructure, GFT’s hydrology and hydraulics experts help clients overcome evolving water-related challenges.

We combine advanced modeling with deep regulatory and field experience to deliver compliant and cost-effective solutions, turning complexity into clarity and resilience.

Comprehensive Services for Resilient Water Infrastructure

Our modeling, design, permitting, and planning expertise can help you achieve your water infrastructure goals.

Hydraulic and Hydrologic Modeling
We use 1D, 2D, and 3D tools, including dam breach modeling and computational fluid dynamics (CFD), to simulate water behavior for dams, bridges, floodplains, and stormwater systems. By applying hydraulic models such as OpenFOAM, our team evaluates complex hydraulic environments to assess the safety and suitability of spillways, outlets, penstocks, and open-channel canals. These advanced techniques enhance design accuracy, reduce risk, and support resilient infrastructure planning.
Dam Safety and Risk Analysis
Our team delivers consequence modeling, spillway design, and inundation mapping for existing or proposed structures. We support clients with dam safety reviews, emergency action plans, and regulatory compliance.
FEMA Floodplain Services
We support conditional letter of map revision (CLOMR) applications, flood insurance rate map (FIRM) updates, and impact assessments, streamlining regulatory approvals while optimizing project outcomes.
Stormwater and Water Quality Design
From municipal separate storm sewer system (MS4) permitting to best management practices (BMP) design and site drainage, our experts deliver compliance and resiliency in urban and regional stormwater systems.

Stream Restoration and Erosion Control
We provide nature-based, engineered solutions for streambank stabilization, sediment transport, and channel design, balancing ecosystem health with infrastructure resilience.
Climate and Data Resilience
GFT integrates machine learning and high-dimensional data analytics to help clients anticipate risk and adapt to changing climate conditions with confidence.
Expert Advisory Services, Testimony & Training
We’re thought leaders, authoring guidance documents and delivering national training on hydraulic modeling, dam safety, and flood mitigation.

200

GFT has participated in nearly 200 potential failure modes analyses and risk analysis workshops over the past decade.

$50,000 to $400 million

GFT has designed dam rehabilitation projects for concrete, zoned earthfill, homogeneous earthfill, masonry, timber crib, and inflatable dams with rehabilitation construction costs ranging from $50,000 to $400 million.

Advanced Modeling

Using 1D, 2D, and 3D tools, dam breach modeling and computational fluid dynamics, and hydraulic models like OpenFOAM, GFT supports our clients’ resilient infrastructure planning.