KETNER - CO00093-3615


Incident ID CO00093-3615
Dam Name KETNER
Downstream Hazard Potential H
State CO
Incident Date 10/31/2023
Incident Type Non-failure
Incident Driver Malfunction Of Equipment/gate
Incident Mechanism 1 Gate/valve Failure
Incident Mechanism 2
Incident Mechanism 3
Incident Description Exercising upstream slope gate. Became stuck in Open position. Over course of nearly a week, leaking between 3 to 6 cfs, multiple divers, there is now a temporary plug in the upstream side of the pipe. Working with owners/divers to assess best repair option.
Named Hydrologic Event
EAP Enacted (Y/N) due to Incident No
Fatalities (Number) 0
Number of People Evacuated 0
Number of Habitable Structures Evacuated 0
Number of Habitable Structures Flooded 0
Other Infrastructure Impacts None
Economic Damages (in $)
Volume released at failure (ac-ft)
Response temporary plug installed. New gate ordered and installed
Additional Remarks or Updates
Incident Time
Incident Duration 1 week
Incident Report Produced
Information Sources CODWR
Owner Type L
Dam Type RE
Primary Purpose(s) FR
EAP Y
Year Completed 1961
Year Modified 0
Dam Height 30 ft
Max Storage (ac-ft) 434 ac-ft
Surface Area (acres) 20 acres
River Name WALNUT CREEK-TR
Latitude 39.8816
Longitude -105.108
Regulatory Agency(ies) DWR
NID Number CO00093
Attachments