inundation of information 2007

One Team—Relevant, Ready, Responsive, Reliable

Inundation of Information

Joe Trimboli


Introduction

• Huntington, WV (Main Office) • OH, WV, KY, VA, NC • Planning Branch • Special Studies/Flood Plain Management


Civil Works Missions

• Navigation • Flood Risk Management • Ecosystem Restoration • Hydroelectric Power • Recreation • Water Supply • Emergency Management


Coordination

• Each District • Planning Assistance to States Program

(PAS) • Flood Plain Management Services

Program (FPMS) • Provide Planning and technical services

on water resource related matters to states, local governments, other nonfederal entities, and eligible Native American Indian tribes.


Planning Assistance to States Program (PAS)

• Program Development. • Planning assistance • Do not include detailed design • Analysis of existing data for planning

purposes using standard engineering techniques, although

• Some data collection • Basis for state, tribal, or local planning

decisions


Types of PAS Assistance

• Water Supply and Demand Studies • Water Conservation Studies • Water Quality Studies • Environmental Conservation/Restoration

Studies • Wetlands Evaluation Studies • Dam Safety/Failure Studies • Flood Damage Reduction Studies • Flood Plain Management Studies • Cost Shared 50/50


• Identify Flood Hazards • Actions to Prevent Loss of Life • Actions that Reduce Property

Damage

Flood Plain Management Services (FPMS)


Authority

• Section 206 - 1960 Flood Control Act (PL 86-645)

• Foster public understanding of the options for dealing with flood hazards and to promote prudent use and management of the Nation’s flood plains.

• Land use adjustments based on planning and the employment of techniques for controlling and reducing flood damages


Types of FPMS Assistance

• All assets of District • Technical (Engineering) Services • Planning Services


Flood Plain Determinations

• Public Service • No Charge for quick evaluation • Private and Commercial • Toll Free 1-866-401-3980 • Provide Letter Documentation


Determinations – How?

• Locate Property • Cover “Map Gap” Deborah Hoffman

• Assess Location • Make Determination


Locate Property

• Geocoding • Recent Aerial Photography • Multiple Internet Map Sites • Phone Discussion • Office Visit


Determinations – How?

Problems:

Geocoding

Roads Mislabeled

History of Misinformation

Perceived channel improvement


CAUTION!

• Tools to find location of home • Q3 data • DFIRM data • Gaps in coverage • Use FIRM data • Use multiple sources of base mapping

• No source is error free

• Make determination


Map Change Alerts

• New House or Subdivision • New Roads or Highways • New Bridges or Culverts • Railroad • Age of Map Data • Reoccurring floods


No Q3 / No Hazard


“Map Gap” / Final Determination


Final


Ohio


Zone “A”s


Contact FPC?

FEMA – Guide for Approximate Zone A Areas, pg III-6


Simplified Method


Floodplain Determinations Lessons Learned

• Current Aerial Photography • Current DEM • FIRM/Other • Mapping History • Must know Guidelines • Ask a lot of Questions • Opportunity to Educate


Inundation of Information

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inundation of information 2007

Documents

educateone teamrelevant

hazardone teamrelevant

finalone teamrelevant

ohioone teamrelevant

flood damagesone teamrelevant

zone asone teamrelevant

flood hazardsand

plain management studies