LOWER BEAVER BROOK - CO00187-3018
Dam Name: LOWER BEAVER BROOK
State: CO
Downstream Hazard Potential: H
Incident Type: Non-Failure
Incident Date: 05/05/2015
Incident Driver: Hydrologic/Flooding
Incident Mechanism 1: High Reservoir Level
Incident Mechanism 2
Incident Mechanism 3
Incident IDCO00187-3018
Incident DescriptionHigh hazard with very little freeboard, but within 7 inches of spill
Named Hydrologic Event
EAP Enacted (Y/N) due to IncidentYes
Fatalities (Number)
Number of People Evacuated
Number of Habitable Structures Evacuated
Number of Habitable Structures Flooded
Other Infrastructure Impacts
Economic Damages (in $)
Response
Volume released at failure (ac-ft)
Additional Remarks or UpdatesEAP Level 1 activation. Mitigated with construction of an 18-inch tall sand bag parapet by correctional institution forces.
Owner TypeL
Dam TypeER
Primary Purpose(s)S
EAPY
Dam Height46 ft
Max Storage (ac-ft)34.00
Surface Area (acres)2.00
Year Completed1903
NID NumberCO00187
River NameBEAVER BROOK
Latitude39.706
Longitude-105.411
Year Modified
1936
Regulatory Agency(ies)DWR
Incident Time
Incident Duration
Incident Report Produced
Information SourcesCD DWR
