BRISTOL HEAD #1 - CO00984-3170
Incident ID CO00984-3170
Dam Name BRISTOL HEAD #1
Downstream Hazard Potential L
State CO
Incident Date 07/04/2017
Incident Type Non-failure
Incident Driver Deterioration Or Poor Condition
Incident Mechanism 1 Piping
Incident Mechanism 2 Sinkhole
Incident Mechanism 3
Incident Description Small seep pond below Santa Maria Reservoir with a relatively large outlet conduit. Conduit failed just behind the upstream valve and drained most of the reservoir through the conduit uncontrollably.
Named Hydrologic Event
EAP Enacted (Y/N) due to Incident No
Fatalities (Number)
Number of People Evacuated
Number of Habitable Structures Evacuated
Number of Habitable Structures Flooded
Other Infrastructure Impacts Roads
Economic Damages (in $)
Volume released at failure (ac-ft)
Response work with owner to remove valve and allow reservoir to drain full and stream to run through the conduit until such time as the outlet works can be removed and replaced
Additional Remarks or Updates Currently has zero storage restriction
Incident Time
Incident Duration
Incident Report Produced No
Information Sources CO DWR
Owner Type P
Dam Type RE
Primary Purpose(s) I
EAP NR
Year Completed 1921
Year Modified 0
Dam Height 15 ft
Max Storage (ac-ft) 200 ac-ft
Surface Area (acres) 16 acres
River Name SEEPAGE CREEK
Latitude 37.75
Longitude -107.04
Regulatory Agency(ies) DWR
NID Number CO00984
Attachments
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