1 ODNR - Floodplain Management Program Ensure the wise management of Ohio’s floodplains Floodplain Management in Mahoning County August 16, 2016

PEOPLE BUILD FENCES, GOD CREATES RIVERS J..MEUNIER 2 ODNR - Floodplain Management Program Ensure the wise management of Ohio’s floodplains

3 ODNR - Floodplain Management Program Ensure the wise management of Ohio’s floodplains WHY MANAGE OHIO’S FLOODPLAINS? Floods cost Ohio more in lives and property damage than all other natural hazards combined

WHY MANAGE OHIO’S FLOODPLAINS? 4 ODNR - Floodplain Management Program Ensure the wise management of Ohio’s floodplains Flood losses continue and disaster relief unit costs are escalating. millions

STRUCTURAL MEASURES 5 ODNR - Floodplain Management Program Ensure the wise management of Ohio’s floodplains Channel Alterations... Levees,Dams,

FPM RESPONSES: MODIFY SUSCEPTIBILITY OF DEVELOPMENT TO FLOOD DAMAGE 6 ODNR - Floodplain Management Program Ensure the wise management of Ohio’s floodplains Non-structural Applications, Code Compliance, Flood Forecasting.

FMP OBJECTIVES: 7 ODNR - Floodplain Management Program Ensure the wise management of Ohio’s floodplains Protect & preserve the natural function of floodplains. natural function of floodplains. Reduce / eliminate flood-related damage,

8 ODNR - Floodplain Management Program Ensure the wise management of Ohio’s floodplains 10-year Flood   Many property owners are often unaware that their property is flood-prone   Before most forms of Federal disaster assistance can be offered, the President must declare a major disaster. Normal Stream Level DID YOU KNOW?

NATIONAL FLOOD INSURANCE PROGRAM 9 ODNR - Floodplain Management Program Ensure the wise management of Ohio’s floodplains Flood Insurance Rate Maps –ID the hazard areas –establish boundaries for floodway and fringe areas Flood Insurance Study (FIS) –hydrology (flow & frequency) –hydraulics (conveyance, velocity & elevations) –insurance risk zones –flood elevation profiles

REVIEW / PERMIT PROCESS: 10 ODNR - Floodplain Management Program Ensure the wise management of Ohio’s floodplains LocalReview / Permit Process applies to all development activities in an NFIP-participating community.Local Review / Permit Process applies to all development activities in an NFIP-participating community. Structural Non-structural New Changes, alterations, additions to existing structures

Regulatory Floodplain BFE Normal Stream Level The 100-year Flood Zone A or AE or A1- 30 The Base Flood The 1% Probability Flood WHAT FLOODS ARE MAPPED?

TOOLS: FLOOD INSURANCE RATE MAPS 12 ODNR - Floodplain Management Program Ensure the wise management of Ohio’s floodplains

13 ODNR - Floodplain Management Program Ensure the wise management of Ohio’s floodplains 10-year Flood 50-year Flood Normal Stream Level DID YOU KNOW? Homeowners’ insurance policies generally do not cover flood losses The most common form of Federal disaster assistance is a loan, which must be paid back with interest.

TOOLS: FLOOD INSURANCE RATE MAPS 14 ODNR - Floodplain Management Program Ensure the wise management of Ohio’s floodplains Pre-FIRM vs. Post-FIRM Structures built before this date, (Pre- FIRM) are not required to be elevated unless the structure’s value changes by 50% through: improvement damage, or combinations of either

15 ODNR - Floodplain Management Program Ensure the wise management of Ohio’s floodplains 10-year Flood 50-year Flood Normal Stream Level 100-year flood DID YOU KNOW? Flood insurance claims are paid whether or not a disaster has been Presidentially declared.There are about 4.7 million flood insurance policies in force in more than 20,000 communities across the U.S. The more than 750 NFIP-participating communities in Ohio account for 39,810 policies.

Provides increased strength & resistance to movement for both uplift Provides increased strength & resistance to movement for both uplift (vertical hydrostatic pressure) & Collapse & Collapse (lateral hydrostatic pressure) USE & DEVELOPMENT STANDARDS Structures USE & DEVELOPMENT STANDARDS Structures A. Anchoring