Knottnerus

Knottnerus is an earth dam located in Chouteau County, Montana, built in 1965. It carries a Low hazard potential classification.

About Knottnerus

The primary purpose of Knottnerus 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 Harvey F Berner (private). It impounds the Tr-little Sandy Creek near Hole In The Wall Landingrec.

The dam stands 18 feet tall and stretches 395 feet across, and has a maximum storage capacity of 57 acre-feet. Completed in 1965, 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.

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Low Hazard ConditionEmergency Action Plan: Not Required

Location

StateMontana
CountyChouteau
Nearest CityHole In The Wall Landingrec
River/StreamTr-little Sandy Creek
Coordinates48.07570, -110.14750

Physical Characteristics

Dam TypeEarth
NID Height18 ft
Dam Height18 ft
Dam Length395 ft
Year Completed1965 (61 years old)

Storage & Hydraulics

NID Storage57 acre-ft
Max Storage57 acre-ft
Normal Storage21 acre-ft
Max Discharge337 cfs

Ownership & Safety

PurposeFire Protection, Stock, Or Small Fish Pond
OwnerHARVEY F BERNER
Owner TypePrivate
Hazard ClassificationLow
Emergency Action PlanNot Required

Identifiers

NID IDMT01254
Federal IDMT01254
More InfoState Dam Safety Program

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