DULL - WY00757-3352
Dam Name: DULL
State: WY
Downstream Hazard Potential: L
Incident Type: Failure
Incident Date: 03/21/2019
Incident Driver: Deterioration or Poor Condition
Incident Mechanism 1: Erosion
Incident Mechanism 2
Incident Mechanism 3
Incident IDWY00757-3352
Incident DescriptionRain on snowmelt event. The dam had already experience erosion around the outlet pipe five months prior to the failure.
Named Hydrologic Event
EAP Enacted (Y/N) due to IncidentNo
Fatalities (Number)0
Number of People Evacuated0
Number of Habitable Structures Evacuated0
Number of Habitable Structures Flooded0
Other Infrastructure ImpactsRoads
Economic Damages (in $)$1 to $100,000
Response
Volume released at failure (ac-ft)376
Additional Remarks or UpdatesCounty road flooded but not damaged.
Owner TypeP
Dam TypeRE
Primary Purpose(s)I
EAPNR
Dam Height29 ft
Max Storage (ac-ft)616.00
Surface Area (acres)48.00
Year Completed1937
NID NumberWY00757
River NameSHEEP CREEK
Latitude43.4133
Longitude-104.507
Year Modified
Regulatory Agency(ies)SEO
Incident Time
Incident Duration5 months
Incident Report ProducedNo
Information SourcesWY Dam Safety
