We welcomed OFMA members, local Floodplain Administrators, Stormwater Managers,

and guests to the 2025 Annual Conference, themed “Impacting Lives.”

This year’s event featured a dynamic lineup of plenary and concurrent sessions led by experts from 

Federal, State, and Local agencies, covering a wide range of topics relevant to floodplain and stormwater management.

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Conference Presentations

Key Flood Warning Systems –  Can It Solve ALL of Your Problems –  Brandon Claborn PE, CFM, WSB LLC, and David Key, PE, CFM, ESP Associates

State Floodplain Management Update – Jon Phillips, CFM, OWRB

Policies, Programs and Resources:  What’s New in the World of Floodplain Management – Chad Berginnis CFM, AFSPM

USACE – David Williams

Rain, Trash and Trouble Understanding Landfill Liquids and Why it Matters, Steve Linehan PE, Kirkham Michael

Why Developments Flood – Grant Moore PE CFM – WSB LLC

Local Floodplain Management sans FEMA W.B. Smith PE, CFM

Stormwater Utility Greg Simmons, PE, CFM, Freese & Nichols

Turbulent Waters A Case Study on Potential FEMA Violations, Mitchell Jensen, P.E., CFM, and  Trevor Holt – Kimley-Horn

GIS Presentation, Michael Couch GISP, CFM – WSB LLC

Detention Pond Basics, Alan Dennis PE, CFM – Garver

Moffett Project, Jon Phillips CFM OWRB and Austin Duggar PE CFM – Freese

Stormwater Management Navigating Floodplain Hank Amen PE CFM, Andrew Schimenti PE CFM – Olsson

New Stormwater Management for Design Engineers Rachael Cooper PE CFM –  Crosstimbers

2025 Atlas 15 & Temporal Distributions Alan Dennis PE, CFM, Myles McManus PE – Garver

Floodplain Management Map Revisions and Hydraulic Modeling Sharmily Rahman, Sushban Shrestha – AECOM

Jenks Riverwalk Bank Stabilization Evaluation, Howard Rice  – Freese

Back to Basics, How to Navigate in a Time of Changing Funding & Policy, Allison Whitsitt CEM – WSB

From Storm to Impact: Applications of Statewide 2D BLE Modeling, Garrett Johnston PE, Hector Olmos PE – Freese

Exploring Midwest City: Adventures in Stormwater Master Planning, Jeremy Rice –  Freese,  Carrie Evenson PhD, PE, CFM – Midwest City 

Substantial Damage and Section 1206- Best Practices and Resource Coordination Strategies, Greg Wilson – Tetra Tech

When the Design Did Not Work: Funding Public-Private Stormwater Projects, Patrick Wilson, P.E., CFM, Sarah Walters, P.E., CFM – City of Broken Arrow 

Stormwater Management, Addressing Stormwater Runoff Issues from Construction Activity, Kenneth Schwab PE, SE, CFM, Megan Pasco PE – City of Broken Arrow

Supporting Community Resilience Leveraging USACE FPMS, Travis Wilsey CFM – USACE

Advancing Flood Risk Mapping in Oklahoma, Morgan Lozoya, P.E., CFM – WSB, Grant Moore, P.E., CFM – WSB, Jon Phillips, CFM – OWRB

Transforming Oklahoma’s Hazard Mitigation Program, Aubrey Germ & Ned Fernandez, ICF

From Raindrop to River, Nicole McGavok – National Weather Service

FEMA Act of 2025: Transforming Hazard Mitigation Assistance What We (Think We), Gary O’Neal, Tetra Tech