Northrup Dam; Max

Northrup Dam; Max is an earth dam located in Golden Valley County, North Dakota, built in 1977. It carries a Low hazard potential classification.

About Northrup Dam; Max

The primary purpose of Northrup Dam; Max is irrigation. The dam stores and diverts water for agricultural irrigation, supporting farming operations in the surrounding area. The dam is owned by Weinreis Brothers (private). It impounds the Williams Creek - Tr near N.

The dam stands 21 feet tall and stretches 450 feet across, creates a reservoir covering 14 acres, has a maximum storage capacity of 265 acre-feet, and collects water from a drainage area of 12 square miles. Completed in 1977, the structure is 49 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 08/01/1994. That was over 31 years ago.

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Low HazardNot Rated ConditionEmergency Action Plan: Not Required

Location

StateNorth Dakota
CountyGolden Valley
Nearest CityN
River/StreamWilliams Creek - Tr
Coordinates46.61127, -103.91357

Physical Characteristics

Dam TypeEarth
NID Height21 ft
Dam Height21 ft
Dam Length450 ft
Year Completed1977 (49 years old)

Storage & Hydraulics

NID Storage265 acre-ft
Max Storage265 acre-ft
Normal Storage113 acre-ft
Surface Area14 acres
Drainage Area12 sq mi
Spillway TypeUncontrolled

Ownership & Safety

PurposeIrrigation
OwnerWeinreis Brothers
Owner TypePrivate
Hazard ClassificationLow
Condition AssessmentNot Rated
Last Inspection08/01/1994
Emergency Action PlanNot Required

Identifiers

NID IDND00555
Federal IDND00555
More InfoState Dam Safety Program

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