Dutchman Lake

Dutchman Lake is an earth dam located in Cook County, Minnesota, built in 1996. It carries a Low hazard potential classification.

About Dutchman Lake

The primary purpose of Dutchman Lake is fish and wildlife pond. The dam creates habitat for fish and wildlife, supporting local ecosystems and potentially serving conservation goals. The dam is owned by Grand Portage Reservation (bia) (tribal government). It impounds the Grand Portage River-tr near Grand Portage.

The dam stands 10 feet tall and stretches 140 feet across, creates a reservoir covering 11 acres, has a maximum storage capacity of 437 acre-feet, and collects water from a drainage area of 1 square miles. Completed in 1996, the structure is 30 years old.

This dam has a low hazard potential classification, meaning that failure would cause minimal damage, limited primarily to the dam owner's property, with no expected loss of life. The most recent inspection on record was 10/08/1996. That was over 29 years ago.

Search for dams near your address to see all dams in your area with hazard classifications and safety data.

Low Hazard ConditionEmergency Action Plan: Not Required

Location

StateMinnesota
CountyCook
Nearest CityGrand Portage
River/StreamGrand Portage River-tr
Coordinates47.96968, -89.71906

Physical Characteristics

Dam TypeEarth
NID Height10 ft
Dam Height10 ft
Dam Length140 ft
Year Completed1996 (30 years old)

Storage & Hydraulics

NID Storage437 acre-ft
Max Storage437 acre-ft
Normal Storage210 acre-ft
Surface Area11 acres
Drainage Area1 sq mi
Max Discharge105 cfs
Spillway TypeUncontrolled

Ownership & Safety

PurposeFish and Wildlife Pond
OwnerGrand Portage Reservation (BIA)
Owner TypeTribal Government
Hazard ClassificationLow
Last Inspection10/08/1996
Emergency Action PlanNot Required

Identifiers

NID IDMN01029
Federal IDMN01029
More InfoState Dam Safety Program

Nearby Dams