Twin Falls Auxiliary Dike

High HazardSatisfactory ConditionEmergency Action Plan: Yes

Location

StateWisconsin
CountyFlorence
River/StreamMenominee River
Coordinates45.87450, -88.07550

Physical Characteristics

Dam TypeGravity
NID Height30 ft
Dam Height30 ft
Year Completed1912 (114 years old)

Storage & Hydraulics

NID Storage9,750 acre-ft
Max Storage9,750 acre-ft
Normal Storage9,750 acre-ft
Surface Area960 acres
Max Discharge58,900 cfs

Ownership & Safety

PurposeHydroelectric
OwnerWisconsin Electric Power Company
Owner TypePublic Utility
Hazard ClassificationHigh
Condition AssessmentSatisfactory
Last Inspection05/18/2022
Emergency Action PlanYes

Identifiers

NID IDMI00143
Federal IDMI00143S002
More InfoState Dam Safety Program

Nearby Dams

Carollo Dam 3.4 mi Low Kingsford 5.2 mi Low Kingsford 5.2 mi Significant Richard J Trepanier Dam 5.7 mi Low Big Quinnesec Falls Dike "a" 6.4 mi High Groveland Dam #8 6.5 mi Low Michigamme Falls 8.1 mi High Little Quinnesec Falls 8.1 mi High Little Quinnesec Falls Dam 8.3 mi High Lindow 8.4 mi Low