West Fork Group No. 1

West Fork Group No. 1 is an earth dam located in Goodhue County, Minnesota, built in 1971. It carries a Low hazard potential classification and has a satisfactory condition assessment.

About West Fork Group No. 1

The primary purpose of West Fork Group No. 1 is flood risk reduction. The dam is designed to control downstream flooding by temporarily storing excess water during storms and releasing it at a controlled rate. The dam is owned by Koester Family Rev Living Trust (private). It impounds the Wells Creek-tr near Lake City.

The dam stands 34 feet tall and stretches 435 feet across, creates a reservoir covering 1 acres, has a maximum storage capacity of 36 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1971, the structure is well into its service life at over 50 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. Its condition is rated satisfactory, indicating no existing or potential dam safety deficiencies are recognized. The most recent inspection on record was 12/22/2015. That was over 10 years ago.

At 34 feet, this dam is taller than 80% of dams nationwide.

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Low HazardSatisfactory ConditionEmergency Action Plan: Not Required

Location

StateMinnesota
CountyGoodhue
Nearest CityLake City
River/StreamWells Creek-tr
Coordinates44.48110, -92.52069

Physical Characteristics

Dam TypeEarth
NID Height34 ft
Dam Height30 ft
Dam Length435 ft
Year Completed1971 (55 years old)

Storage & Hydraulics

NID Storage36 acre-ft
Max Storage36 acre-ft
Normal Storage1 acre-ft
Surface Area1 acres
Drainage Area0 sq mi
Max Discharge375 cfs
Spillway TypeUncontrolled

Ownership & Safety

PurposeFlood Risk Reduction
OwnerKoester Family Rev Living Trust
Owner TypePrivate
Hazard ClassificationLow
Condition AssessmentSatisfactory
Last Inspection12/22/2015
Emergency Action PlanNot Required

Identifiers

NID IDMN00461
Federal IDMN00461
More InfoState Dam Safety Program

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