Black Wolff #2

Black Wolff #2 is an earth dam located in Carter County, Montana, built in 1979. It carries a Low hazard potential classification.

Hazard potentialLowFailure would cause limited damage
ConditionNot assessed
Emergency action planNot reported
Last inspectionNot reported
Height12 ft
Built197947 years ago

Dam profile

NID height · 12 ft
12 FT TWO-STORY HOUSEMEDIAN U.S. DAM · 24 FT

12 ft tall and 450 ft long. Height is drawn to scale against a two-story house, about 25 ft; the profile is a generic embankment section and the water level is illustrative.

About Black Wolff #2

The primary purpose of Black Wolff #2 is fire protection, stock, or small fish pond. The dam maintains a small impoundment used for fire suppression, livestock watering, or as a fish pond. The dam is owned by Donald Wolff (private). It impounds the Tr-big Ramme Creek near Capitol.

The dam stands 12 feet tall and stretches 450 feet across, and has a maximum storage capacity of 73 acre-feet. Completed in 1979, the structure is 47 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.

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Location

StateMontana
CountyCarter
Nearest CityCapitol
River/StreamTr-big Ramme Creek
Coordinates45.69160, -104.41640

Physical Characteristics

Dam TypeEarth
NID Height12 ft
Dam Height12 ft
Dam Length450 ft
Year Completed1979 (47 years old)

Storage & Hydraulics

NID Storage73 acre-ft
Max Storage73 acre-ft
Normal Storage14 acre-ft

Ownership & Safety

PurposeFire Protection, Stock, Or Small Fish Pond
OwnerDonald Wolff
Owner TypePrivate
Hazard ClassificationLow
Condition AssessmentNot assessed
Emergency Action PlanNot Required

Identifiers

NID IDMT03040
Federal IDMT03040
More InfoState Dam Safety Program