List of Tables

No.

Title

Page No.

ES-1

Summary of Major Changes to and Impact on the 1998 CFHMP

ES-5

ES-2

Summary of Recommended Actions and Estimated Costs

ES-8

1-1

Yakima County CFHMP Advisory Committee

1-7

1-2

Summary of Advisory Committee Meetings

1-8

1-3a

Short-Term Goals and Objectives for Yakima County CFHMP

1-9

1-3b

Long-Term Goals and Objectives for Yakima County CFHMP

1-10

2-1

Reservoirs in the Yakima River Basin

2-2

2-2

Physical Characteristics of Yakima River Reaches in CFHMP Study Area

2-4

2-3

Climate Data for Yakima Area

2-6

2-4

Flow Gauging Stations near the Study Area

2-7

2-5

Summary of Daily Average Flows

2-8

2-6

Parcels Containing Critical Areas in the CFHMP Study Area

2-10

2-7

Waterbody Segments in the  CFHMP Study Area not Meeting WQ Standards

2-15

2-8

Yakima County Population History and Projections

2-16

2-9

Land Use Distribution in the Floodplain Study Area

2-17

2-10

Parcel Size Distribution in the Floodplain Study Area

2-17

2-11

Publicly Owned Parcels in the Floodplain Study Area

2-18

2-12

Zoning Distribution in the Floodplain Study Area

2-19

3-1

Summary of Recommendations Made in Studies between 1970 and 2000

3-3

3-2

Summary of Recommendations from Related Studies after 2000

3-5

3-3

National Flood Insurance Program Participants in the CFHMP Study Area

3-7

3-4

Flood Insurance Study 100-Year Flood Flows

3-7

3-5

Summary of Alternatives Evaluated in the 1977 Flood Reduction Study

3-13

3-6

Results of Flood Frequency Analysis

3-16

4-1

Largest Yakima River Floods

4-11

4-2

Documented Flood Damage in Yakima County

4-12

4-3

County Roads Affected by February 1999 Floods

4-17

4-4

County Roads Affected by the November 1990 Flood

4-18

4-5

Summary of Historical River Improvement Projects (1976-1985)

4-23

5-1

Inventoried Levees within CFHMP Study Area

5-3

5-2

Inventoried Levees Outside CFHMP Study Area

5-5

5-3

Inventoried Drainage Facilities along Yakima River

5-7

5-4

Existing and Proposed Yakima Greenway Facilities

5-14

6-1

Surface Water Management Regulations/Policies in Yakima County

6-2

6-2

Overview of Major Federal, State, and Local Surface Water
Management Regulations

6-3

6-3

Yakima County Involvement in the National Flood Insurance Program

6-8

6-4

Permit Requirements for Flood Control Work

6-15

7-1

Problem Addressed and Environmental Impact Associated with Flood Hazard Management Measures

7-6

7-2

Status of recommended Actions from 1998 Study

7-8

8-1

Advisory Committee Ranking of Flooding Issues

8-2

8-2

Predicted Water Surface Elevations

8-19

8-3

Yakima River Water Surface Elevations

8-41

8-4

Damaged Roads in CFHMP Study Area

8-48

8-5

Comparison of Proposed CFHMP Goals and Plan 2015 Goals

8-52

8-6

Summary of Differences in Flood Hazard Ordinances for
Yakima County, Cities of Selah, Yakima, and Union Gap, and
Requirements of the National Flood Insurance Program

8-55

8-7

Historic and Current Run Sizes to the Yakima River

8-62

8-8

Structures in the Floodplain

8-65

8-9

County-Owned Parcels in the Floodplain

8-72

8-10

National Flood Insurance Program as of June 30, 2006

8-80

8-11

FEMA Community Rating System Activities

8-80

8-12

Digital Flood Insurance Rate Map Formats

8-82

8-13

Alternatives for Boise Cascade Levee Pathway

8-91

8-14

Summary of recommended Actions

8-95

9-1

Summary of Funding Options

9-2

9-2

Order of Priority Within the $5.90 Limit for Property Tax

9-4

9-3

External Grant and Loan Funding Sources

9-12

9-4

Adequacy of County Funding Sources for Various Uses

9-24

9-5

Evaluation of Funding Methods

9-25