Our Services
Hydrology & Hydraulics
Effective water management is essential to resilient communities and sustainable development. Our experienced hydrologic and hydraulic (H&H) professionals deliver sophisticated analyses that guide the design of infrastructure systems to manage, conserve and protect vital water resources.
Waggoner balances engineering precision with environmental stewardship to design solutions that minimize impacts on sensitive ecosystems while mitigating risks to life, property and economic vitality from flooding and other natural hazards. With comprehensive H&H services, we support public and private clients across a broad range of infrastructure, environmental and hazard mitigation initiatives.

- Digital Flood Insurance Rate Map (DFIRM) Development
- Flood Hazard Analysis
- Bridge, Culvert and Roadway Hydraulic Design
- Storm Sewer Design
- Scour Analysis
- Stream Stability and Countermeasure Design
- FEMA LOMR/CLOMR Studies
- 2D Hydraulic Modeling
- HEC-HMS, Regional Regression and TR55 Methodologies
- Detention and Retention Pond Design
- Green Infrastructure and Low Impact Development (LID) Hydrologic Planning
- Climate Resilience and Extreme Rainfall Modeling
- Dam Safety Hydrologic Evaluations and Spillway Design