Edgewood Circle Sinkhole

Group Members: Kaitlyn Benson, Tyler Gardner, Ryan Tillman, and Matt Tsui

Introduction

Orchard Park at Edgewood Circle Current Issues

Water inputs all leading to sinkhole Ponding for extended time

Design

Basin #170ft X 36ft

Basin #250 ft X 50 ft

Sinkhole

Upstream

Downstream

Calculations & Results

2 year-24 hour Storm Event Saxton + Southgate Watersheds (Piped Flow): 12.95 cfs

Orchard Park Watershed: 23.43cfs Possible 3.4 million gallons total Reduction of 1 million gallons

25% decrease Upstream basins empties in 16 hours

Downstream basin- 7.25 hours

Cost & Education

Net Total Cost= $5,640.39

Basin Excavation Cost Riprap Vegetation Education Sign

Local School List: State College Area High School Our Lady of Victory Our Children Center Nittany Valley Charter School Centre Learning Community School

State College Friends School

Thank You!