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Riverbend Mobile Home Park – Flooding Risks John Engel, Supervising Engineer Water and Land Resources Division River and Floodplain Management Section
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Riverbend Mobile Home Park Flooding Risks · 24/07/2013  · Riverbend Mobile Home Park – Flooding Risks John Engel, Supervising Engineer Water and Land Resources Division River

Oct 03, 2020

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Page 1: Riverbend Mobile Home Park Flooding Risks · 24/07/2013  · Riverbend Mobile Home Park – Flooding Risks John Engel, Supervising Engineer Water and Land Resources Division River

Riverbend Mobile Home Park – Flooding Risks John Engel, Supervising Engineer

Water and Land Resources Division River and Floodplain Management Section

Page 2: Riverbend Mobile Home Park Flooding Risks · 24/07/2013  · Riverbend Mobile Home Park – Flooding Risks John Engel, Supervising Engineer Water and Land Resources Division River

Reduce the risk of property damage or loss

of life from: Flooding River Erosion

Why is the County buying Riverbend and Relocating Residents?

Page 3: Riverbend Mobile Home Park Flooding Risks · 24/07/2013  · Riverbend Mobile Home Park – Flooding Risks John Engel, Supervising Engineer Water and Land Resources Division River

Cedar River Flood Risks:

Mobile homes are located in the 100 Year Floodplain

Floodplain is the area near the river that the river flows during flood events.

FEMA requires flood insurance.

Page 4: Riverbend Mobile Home Park Flooding Risks · 24/07/2013  · Riverbend Mobile Home Park – Flooding Risks John Engel, Supervising Engineer Water and Land Resources Division River

Cedar River Erosion Hazard Channel Migration Zone

Rivers cause erosion that can undermine

houses – example 1990 flood Channel migration zones – risk hazards –

severe and moderate

Page 5: Riverbend Mobile Home Park Flooding Risks · 24/07/2013  · Riverbend Mobile Home Park – Flooding Risks John Engel, Supervising Engineer Water and Land Resources Division River

Riverbend MHP

Page 6: Riverbend Mobile Home Park Flooding Risks · 24/07/2013  · Riverbend Mobile Home Park – Flooding Risks John Engel, Supervising Engineer Water and Land Resources Division River

Floodway

Page 7: Riverbend Mobile Home Park Flooding Risks · 24/07/2013  · Riverbend Mobile Home Park – Flooding Risks John Engel, Supervising Engineer Water and Land Resources Division River

Floodplain

Page 8: Riverbend Mobile Home Park Flooding Risks · 24/07/2013  · Riverbend Mobile Home Park – Flooding Risks John Engel, Supervising Engineer Water and Land Resources Division River

Historic Channel Location

Page 9: Riverbend Mobile Home Park Flooding Risks · 24/07/2013  · Riverbend Mobile Home Park – Flooding Risks John Engel, Supervising Engineer Water and Land Resources Division River

1936 Channel at Riverbend

Page 10: Riverbend Mobile Home Park Flooding Risks · 24/07/2013  · Riverbend Mobile Home Park – Flooding Risks John Engel, Supervising Engineer Water and Land Resources Division River

1959 Channel at Riverbend

Page 11: Riverbend Mobile Home Park Flooding Risks · 24/07/2013  · Riverbend Mobile Home Park – Flooding Risks John Engel, Supervising Engineer Water and Land Resources Division River

1970 Channel at Riverbend

Page 12: Riverbend Mobile Home Park Flooding Risks · 24/07/2013  · Riverbend Mobile Home Park – Flooding Risks John Engel, Supervising Engineer Water and Land Resources Division River

2012 Channel at Riverbend

Page 13: Riverbend Mobile Home Park Flooding Risks · 24/07/2013  · Riverbend Mobile Home Park – Flooding Risks John Engel, Supervising Engineer Water and Land Resources Division River
Page 14: Riverbend Mobile Home Park Flooding Risks · 24/07/2013  · Riverbend Mobile Home Park – Flooding Risks John Engel, Supervising Engineer Water and Land Resources Division River

Severe Channel Migration Zone

Page 15: Riverbend Mobile Home Park Flooding Risks · 24/07/2013  · Riverbend Mobile Home Park – Flooding Risks John Engel, Supervising Engineer Water and Land Resources Division River

Moderate Channel Migration Zone

Page 16: Riverbend Mobile Home Park Flooding Risks · 24/07/2013  · Riverbend Mobile Home Park – Flooding Risks John Engel, Supervising Engineer Water and Land Resources Division River
Page 17: Riverbend Mobile Home Park Flooding Risks · 24/07/2013  · Riverbend Mobile Home Park – Flooding Risks John Engel, Supervising Engineer Water and Land Resources Division River
Page 18: Riverbend Mobile Home Park Flooding Risks · 24/07/2013  · Riverbend Mobile Home Park – Flooding Risks John Engel, Supervising Engineer Water and Land Resources Division River
Page 19: Riverbend Mobile Home Park Flooding Risks · 24/07/2013  · Riverbend Mobile Home Park – Flooding Risks John Engel, Supervising Engineer Water and Land Resources Division River

Summary

Mobile homes located in the 100 year floodplain

Erosion/ channel migration hazard is a serious threat to mobile homes.

Homes closer to the river most vulnerable.

Page 20: Riverbend Mobile Home Park Flooding Risks · 24/07/2013  · Riverbend Mobile Home Park – Flooding Risks John Engel, Supervising Engineer Water and Land Resources Division River

Riverbend Contact Information Flood Hazard Risks

John Engel, Cedar River Supervising

Engineer 206 263-0160 John.engel@kingcounty .gov