Rum River

Rum River is a gravity dam located in Anoka County, Minnesota, built in 1853. It carries a Low hazard potential classification and has a satisfactory condition assessment.

About Rum River

The primary purpose of Rum River is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by City Of Anoka (local government). It impounds the Rum River near Anoka.

The dam stands 28 feet tall and stretches 342 feet across, creates a reservoir covering 70 acres, has a maximum storage capacity of 1,000 acre-feet, and collects water from a drainage area of 1,590 square miles. Completed in 1853, the structure is one of the older dams in the region, with over a century and a half of service.

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. Its condition is rated satisfactory, indicating no existing or potential dam safety deficiencies are recognized. The most recent inspection on record was 05/23/2023.

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Low HazardSatisfactory ConditionEmergency Action Plan: Not Required

Location

StateMinnesota
CountyAnoka
Nearest CityAnoka
River/StreamRum River
Coordinates45.19937, -93.39089

Physical Characteristics

Dam TypeGravity
NID Height28 ft
Dam Height24 ft
Dam Length342 ft
Year Completed1853 (173 years old)

Storage & Hydraulics

NID Storage1,000 acre-ft
Max Storage1,000 acre-ft
Normal Storage800 acre-ft
Surface Area70 acres
Drainage Area1,590 sq mi
Max Discharge12,000 cfs
Spillway TypeControlled

Ownership & Safety

PurposeRecreation
OwnerCity of Anoka
Owner TypeLocal Government
Hazard ClassificationLow
Condition AssessmentSatisfactory
Last Inspection05/23/2023
Emergency Action PlanNot Required

Identifiers

NID IDMN00549
Federal IDMN00549
More InfoState Dam Safety Program

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