Nollmeyer #1

Nollmeyer #1 is an earth dam located in Park County, Montana, built in 1975. It carries a Low hazard potential classification.

Hazard potentialLowFailure would cause limited damage
ConditionNot assessed
Emergency action planNot reported
Last inspectionNot reported
Height25 ft
Built197551 years ago

Dam profile

NID height · 25 ft
25 FT TWO-STORY HOUSEMEDIAN U.S. DAM · 24 FT

25 ft tall and 300 ft long, taller than 50% of U.S. dams with a recorded height. 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 Nollmeyer #1

The primary purpose of Nollmeyer #1 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 Nollmeyer Farms (private). It impounds the Tr-elk Creek near Wilsall.

The dam stands 25 feet tall and stretches 300 feet across, and has a maximum storage capacity of 86 acre-feet. Completed in 1975, 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.

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

Location

StateMontana
CountyPark
Nearest CityWilsall
River/StreamTr-elk Creek
Coordinates46.06749, -110.59026

Physical Characteristics

Dam TypeEarth
NID Height25 ft
Dam Height25 ft
Dam Length300 ft
Year Completed1975 (51 years old)

Storage & Hydraulics

NID Storage86 acre-ft
Max Storage86 acre-ft
Normal Storage38 acre-ft

Ownership & Safety

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

Identifiers

NID IDMT03274
Federal IDMT03274
More InfoState Dam Safety Program