Thorson Group West

Significant HazardPoor ConditionEmergency Action Plan: Not Required

Location

StateMinnesota
CountyHouston
Nearest CityHokah
River/StreamRoot River S Fork-TR
Coordinates43.72490, -91.63170

Physical Characteristics

Dam TypeEarth
NID Height31 ft
Dam Height29 ft
Dam Length275 ft
Year Completed1963 (63 years old)

Storage & Hydraulics

NID Storage20 acre-ft
Max Storage20 acre-ft
Normal Storage0 acre-ft
Surface Area0 acres
Drainage Area0 sq mi
Max Discharge636 cfs
Spillway TypeUncontrolled

Ownership & Safety

PurposeFlood Risk Reduction
OwnerMNDNR-Forestry
Owner TypeState
Hazard ClassificationSignificant
Condition AssessmentPoor
Last Inspection04/26/2023
Emergency Action PlanNot Required

Identifiers

NID IDMN00344
Federal IDMN00344
More InfoState Dam Safety Program

Nearby Dams