COCHNEWAGON - ME00314-3519


Incident ID ME00314-3519
Dam Name COCHNEWAGON
Downstream Hazard Potential S
State ME
Incident Date 04/13/2022
Incident Type Non-failure
Incident Driver Seepage/internal Erosion
Incident Mechanism 1 Sinkhole
Incident Mechanism 2
Incident Mechanism 3
Incident Description Sinkhole reported, did not increase in size, under remediation.
Named Hydrologic Event
EAP Enacted (Y/N) due to Incident No
Fatalities (Number)
Number of People Evacuated 0
Number of Habitable Structures Evacuated 0
Number of Habitable Structures Flooded 0
Other Infrastructure Impacts None
Economic Damages (in $) Unknown
Volume released at failure (ac-ft)
Response Dam inspector inspected. Owners hired engineer firm to draft repair plans.
Additional Remarks or Updates Dam owner is currently repairing. No public safety event occurred.
Incident Time
Incident Duration
Incident Report Produced Yes
Information Sources MEMA
Owner Type L
Dam Type CN
Primary Purpose(s) HRS
EAP Y
Year Completed 1900
Year Modified 1962
Dam Height 9 ft
Max Storage (ac-ft) 1590 ac-ft
Surface Area (acres) 403 acres
River Name MUD MILLS STREAM
Latitude 44.2397
Longitude -70.0377
Regulatory Agency(ies) MEMA
NID Number ME00314
Attachments