Floodplain ManagementBee Creek

City CouncilMarch 23, 2017

Floodplain Management

• FEMA• Local Regulations• Maintenance • Drainage Master Plan

Floodplain Cross-Section

Bee Creek Combined Project

• Oct 16 1994 Flood: Record 15 inches/24 hours• Water in structures• 1995 to 2005 engineering designs and reviews– FEMA Permitting– Corps Permitting

• Capital Project 2005 to 2008 Construction

Bee Creek – Watershed

Bee Creek – 1973 Flood Map

Emerald Forest – Bee Creek

• 1979-81 (FEMA) Flood Map• 1980-82 Emerald Forest Phases 1-7

Emerald Forest - History

• Single developer• 1983 Clubhouse/Pool• 1989 Park

Emerald Forest – Bee Creek

• 1989 Phase 8 Appomattox/Bridge/Bypass Channel designs submitted

• 1991 Development Agreement• 1992 Appomattox/Bridge/Bypass Channel built• 1992 Phase 8 Plat Filed • 2000 FEMA LOMR Approved

Emerald Forest Phases

1980 Plat – Phase 2

1982 Plat – Phase 6

1992 Plat – Phase 8

Bee Creek – 1995 Aerial

Bee Creek – 2005 Aerial

Bee Creek – 2016 Aerial

Bee Creek – Contours

Bee Creek Maintenance

• Developer inconsistently maintained creek• 1995 to 2003 City mows bypass channel area• 2003 citizens ask City to stop mowing• No drainage easement along creek area• 2003 developer sells property along creek

Feedback – HOA / Residents

• Meetings with HOA and Residents• Summary of Stated HOA Concerns:– Increased flood water heights– Swimming pool floods – Increase vegetation, brush, trees and debris–Dead and down trees from drought–Upstream development and local standards

Feedback – HOA / Residents

• Summary of HOA Stated Requests:–Request for City to maintain creek• Initial channel repair• Recurring mowing

–Consider a larger CIP channel improvement

Bee Creek – 2017 Pictures

Recommendations

1. Complete the Drainage Master Plan–CIP Identify and Prioritize

2. Additional public engagement3. More detailed study of area 4. Address maintenance / drainage easement

Questions