WRIGHT - TN14112-3516


Incident ID TN14112-3516
Dam Name WRIGHT
Downstream Hazard Potential S
State TN
Incident Date 04/03/2020
Incident Type Failure
Incident Driver Seepage/internal Erosion
Incident Mechanism 1 Spillway Erosion/head Cutting
Incident Mechanism 2 Excessive/increased Seepage
Incident Mechanism 3
Incident Description Poorly constructed dam with excessive seepage noted previously. In addtion, spillway flow had been noted headcutting left abutment and toe of the dam. Combination of these factors led to complete failure during heavy rain event.
Named Hydrologic Event
EAP Enacted (Y/N) due to Incident No
Fatalities (Number) 0
Number of People Evacuated Unknown
Number of Habitable Structures Evacuated Unknown
Number of Habitable Structures Flooded 0
Other Infrastructure Impacts Roads
Economic Damages (in $)
Volume released at failure (ac-ft) 30 ac-ft
Response Also impacts to water and sewer lines.
Additional Remarks or Updates Putnam Co. EMA initiated limited evacuations and road closures.
Incident Time
Incident Duration 1 day
Incident Report Produced Yes
Information Sources TN Safe Dams
Owner Type P
Dam Type RE
Primary Purpose(s) O
EAP NR
Year Completed 0
Year Modified 0
Dam Height 25 ft
Max Storage (ac-ft) 30 ac-ft
Surface Area (acres) 3 acres
River Name
Latitude 36.1258
Longitude -85.2539
Regulatory Agency(ies)
NID Number TN14112
Attachments Y