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Poplar Grove Sill

Created by Scott Hardaway on Jan 08, 2015  
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General
Construction Dates: 
Estimated
2003
Mathews , VA
United States
37° 23' 49.578" N, 76° 20' 10.6872" W
Virginia US
Pre-Project Conditions
Major Plant Species Present: 
Spartina alterniflora (smooth cordgrass)Spartina patens (saltmeadow cordgrass)
Submerged Aquatic Vegetation (SAVs) present?: 
No
Bank elevation above MHW: 
5.0 feet
Pre-Construction Erosion Present?: 
Yes
Pre-Construction Erosion at Adjacent Parcels?: 
Yes
Average Nearshore Slope: 
1:100.0
Existing Structures or Debris?: 
Yes
Environmental Considerations
Name of Waterbody: 
East River
Site Classification: 
Straight
Shoreline orientation relative to max. fetch distance: 
0 Degrees
Tidal Range: 
2.7 feet
Adjacent to Navigation Channel?: 
No
Boat wake exposure: 
Low
Project Site Within a Designated No-Wake Zone?: 
No
Salinity: 
Brackish: 0.5 – 30 ppt
100-year Flood Elevation Seaward of the Shoreline: 
8.0 feet
100-Year Flood Elevation Vertical Datum: 
Other
Other Vertical Datum: 
MLW
Design Considerations
Was fill brought in?: 
Yes
Type of Fill: 
Sand
Source of Fill: 
Upland
Length of Project: 
1,500 feet
Average Project Width: 
30 feet
Structural Elements
Did the project involve a structure?: 
Yes
Describe construction materials: 
VA Class III stone 500-1500 lbs.
Non-Structural Elements
Percentage of vegetative cover between structure and MHW line: 
90%
Primary Wetland species below MHW: 
Spartina alterniflora (smooth cordgrass)
Primary wetland species above MHW: 
Spartina patens (saltmeadow cordgrass)
Project Performance
Overall performance of Living Shoreline for erosion protection?: 
High
Overall performance of the habitat enhancement?: 
High
Overall performance of the structure and vegetation?: 
High
Storm Exposure: 
Yes
Storm Date: 
Wednesday, November 11, 2009
Storm Intensity: 
Medium
Describe Project Storm Performance: 
Water levels during the Veteran’s Day Northeaster were more than 4 ft higher than a normal high tide. Storm waves essentially rolled over the project area and were effectively attenuated with no signs of bank scarping.
Additional Information