Gregg #1

Gregg #1 is an earth dam located in Garfield County, Montana, built in 1960. It carries a Low hazard potential classification.

About Gregg #1

The primary purpose of Gregg #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 Mary P Gregg (private). It impounds the Tr-indian Creek near Forsyth.

The dam stands 22 feet tall and stretches 270 feet across, and has a maximum storage capacity of 95 acre-feet. Completed in 1960, 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.

Low Hazard ConditionEmergency Action Plan: Not Required

Location

StateMontana
CountyGarfield
Nearest CityForsyth
River/StreamTr-indian Creek
Coordinates46.92720, -107.27860

Physical Characteristics

Dam TypeEarth
NID Height22 ft
Dam Height22 ft
Dam Length270 ft
Year Completed1960 (66 years old)

Storage & Hydraulics

NID Storage95 acre-ft
Max Storage95 acre-ft
Normal Storage36 acre-ft

Ownership & Safety

PurposeFire Protection, Stock, Or Small Fish Pond
OwnerMARY P GREGG
Owner TypePrivate
Hazard ClassificationLow
Emergency Action PlanNot Required

Identifiers

NID IDMT02668
Federal IDMT02668
More InfoState Dam Safety Program

Nearby Dams