Small Dam Site AUSD_099
Au Sable River Watershed, Unnamed stream
Tributary to South Branch Au Sable River
Crawford County
Information collected by:
GPS Coordinates: 44.6330638
, -84.49343364
T26N
R02W
Sec 24
Access Road: M-72 to private trail
Private Ownership
0.25 Upstream Miles Reconnected
Ranking: 5
Site Location
Aerial
Land Use Information
Upstream-Forest
Downstream-Forest
Downstream-Wetland
Impoundment or Dam Use Information
Recreation
Wildlife Pond
Structural Information
Barrier Type
Open Crest Spanning Stream
Stoplogs or Flashboards
Construction Materials
Concrete
Wood
Other Site Features
Upstream Conditions
Widening
Deepening
Loss of Channel / Partially Lake
Change to Lake / Pond
Is there evidence of erosion?
Upstream
At Structure
Downstream
Can bankfull width upstream of Impoundment be determined? no
Direct Stream Measurements
Stream
Widest Impoundment Width (ft): 150
Impoundment Length (ft): 500
Area of Impoundment (sf): 3 acres
Widest Width of Plunge Pool (ft): 3
Width After Plunge Pool (ft): 2
Depth After Plunge Pool (ft): 5 inches
Spillway
Width (ft): 2
Length (ft): 30
Water Velocity (ft/sec): 0 upstream, NA downstream
Structure Characteristics
Height of Head (ft): 4
Height of Structure (ft): 6
Freeboard Available (ft): 2
Embankment Length (ft): 3
Other Pertinent Information
Physical Condition Ranking: 5
Dominant substrates UPSTREAM: silt/sand
Dominant substrates DOWNSTREAM: sand
Dam has ability to regulate water level? yes
Is the dam being actively managed? yes
Is another dam or road crossing visible up or down stream? no
Are there any invasive species easily identified? no
This page last updated on 7/6/2022.