Leo Bergtoll Irrigation Dam is an earth dam located in Valley County, Montana, built in 1981. It carries a Low hazard potential classification.
Dam profile
NID height · 17 ft17 ft tall and 650 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 Leo Bergtoll Irrigation Dam
The primary purpose of Leo Bergtoll Irrigation Dam is irrigation. The dam stores and diverts water for agricultural irrigation, supporting farming operations in the surrounding area. The dam is owned by Leo O Bergtoll (private). It impounds the Tr-rock Creek near Glasgow.
The dam stands 17 feet tall and stretches 650 feet across, and has a maximum storage capacity of 120 acre-feet. Completed in 1981, the structure is 45 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 11/16/1981. That was over 44 years ago.
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Location
| State | Montana |
| County | Valley |
| Nearest City | Glasgow |
| River/Stream | Tr-rock Creek |
| Coordinates | 48.68580, -106.95320 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 17 ft |
| Dam Height | 17 ft |
| Dam Length | 650 ft |
| Year Completed | 1981 (45 years old) |
Storage & Hydraulics
| NID Storage | 120 acre-ft |
| Max Storage | 120 acre-ft |
| Normal Storage | 98 acre-ft |
| Max Discharge | 240 cfs |
Ownership & Safety
| Purpose | Irrigation |
| Owner | Leo O Bergtoll |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Last Inspection | 11/16/1981 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | MT03816 |
| Federal ID | MT03816 |
| More Info | State Dam Safety Program |