Service Area
Floodplain Engineering
Specialized hydrologic and hydraulic analysis, FEMA map revision support, and regulatory compliance services for projects in and around Special Flood Hazard Areas.
Navigating FEMA Regulations with Confidence
Floodplain engineering requires a precise understanding of federal, state, and local regulations — and the technical depth to back it up with defensible analysis. Creel Flood & Stormwater Engineering provides the full range of floodplain services needed to move projects through the regulatory process efficiently.
Whether you're a developer navigating a CLOMR submittal, a municipality managing floodplain ordinance compliance, or a civil engineer needing a no-rise certification for a client's project, we provide clear, technically rigorous deliverables that satisfy FEMA and local floodplain administrators.
Floodplain Services
FEMA Floodplain Analysis
Detailed hydrologic and hydraulic analysis to determine flood zone boundaries, base flood elevations, and regulatory floodway limits in accordance with FEMA standards.
HEC-RAS Hydraulic Modeling
Steady and unsteady flow modeling using HEC-RAS to evaluate water surface profiles, floodway encroachments, and the hydraulic impact of proposed improvements.
CLOMRs & LOMRs
Preparation and submittal of Conditional Letters of Map Revision (CLOMRs) and Letters of Map Revision (LOMRs) to officially revise FEMA Flood Insurance Rate Maps.
No-Rise Certifications
Engineering analysis and sealed certifications demonstrating that proposed development within the regulatory floodway will not increase base flood elevations.
Floodway Analysis
Evaluation of floodway encroachments for proposed structures, fill, or channel modifications to ensure compliance with NFIP regulations and local floodplain ordinances.
Flood Zone Determinations
Site-specific flood zone determinations, elevation certificate review, and regulatory guidance to support permitting, lending, and insurance decisions.
Common Project Scenarios
Floodplain engineering issues arise across a wide range of project types. We regularly support clients with:
- Residential and commercial development in or near Special Flood Hazard Areas
- Bridge and culvert replacements requiring FEMA coordination
- Channel improvements and stream restoration projects
- Fill placement and grading within the floodplain
- Floodplain development permit support for municipalities
- Due diligence flood risk assessments for property acquisition
- Litigation support and expert review of flood-related claims
- Levee and floodwall feasibility and certification support
Working with Civil Engineering Firms
Many civil engineering firms bring us in as a specialist subconsultant when a project requires dedicated floodplain expertise. We integrate seamlessly with your team, coordinate directly with FEMA and local floodplain administrators, and deliver stamped reports and models that meet submittal requirements.
All work is performed or directly supervised by a licensed Professional Engineer with focused experience in hydrologic and hydraulic analysis.
Discuss your projectHave a floodplain engineering need?
Reach out to discuss your project. We serve clients in Texas and Florida and work as a primary engineer or specialist subconsultant.