SOUTH MOUND CREEK POOL - MN00111-2647
Dam Name: SOUTH MOUND CREEK POOL
State: MN
Downstream Hazard Potential: L
Incident Type: Failure
Incident Date: 06/14/2014
Incident Driver: Hydrologic/Flooding
Incident Mechanism 1: Overtopping
Incident Mechanism 2
Incident Mechanism 3
Incident IDMN00111-2647
Incident DescriptionFlood overtopped dam and right embankment (emergency spillway) failed. Wooden dock floated loose and partially blocked principal spillway.
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 Flooded1
Other Infrastructure ImpactsBridges
Economic Damages (in $)
ResponseDNR owed Dam. Operators notified DNR Dam Safety quickly.
Volume released at failure (ac-ft)200 acre-feet
Additional Remarks or UpdatesGrouted riprap on emergency spillway. Dam also failed in 1938. Downstream home was flooded but may have flooded without dam failure. Two downstream farmers claim dam breach damaged them.
Owner TypeS
Dam TypePG
Primary Purpose(s)R
EAPNR
Dam Height24 ft
Max Storage (ac-ft)235.00
Surface Area (acres)19.00
Year Completed1940
NID NumberMN00111
River NameMOUND CREEK
Latitude43.7145
Longitude-96.1779
Year Modified
1940
Regulatory Agency(ies)MNDNR WATERS
Incident TimeBetween 9 pm and midnight
Incident Duration<12 hours
Incident Report ProducedYes
Information SourcesState park staff; MN DNR Dam Safety files.
