inundation of information 2007

One Team—Relevant, Ready, Responsive, Reliable

Inundation of Information

Joe Trimboli

One Team—Relevant, Ready, Responsive, Reliable

Introduction

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

One Team—Relevant, Ready, Responsive, Reliable

One Team—Relevant, Ready, Responsive, Reliable

Civil Works Missions

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

One Team—Relevant, Ready, Responsive, Reliable

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.

One Team—Relevant, Ready, Responsive, Reliable

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

One Team—Relevant, Ready, Responsive, Reliable

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

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

Damage

Flood Plain Management Services (FPMS)

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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

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Types of FPMS Assistance

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

One Team—Relevant, Ready, Responsive, Reliable

Flood Plain Determinations

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

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Determinations – How?

• Locate Property • Cover “Map Gap” Deborah Hoffman

• Assess Location • Make Determination

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Locate Property

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

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Determinations – How?

Problems:

Geocoding

Roads Mislabeled

History of Misinformation

Perceived channel improvement

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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

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Map Change Alerts

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

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No Q3 / No Hazard

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“Map Gap” / Final Determination

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“Map Gap” / Final Determination

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Final

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Ohio

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Zone “A”s

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Contact FPC?

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

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Simplified Method

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Floodplain Determinations Lessons Learned

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

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Inundation of Information

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