Guelff
Guelff is an earth dam located in Dawson County, Montana, built in 1946. It carries a Low hazard potential classification.
About Guelff
The primary purpose of Guelff 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 Robert L Guelff (private). It impounds the Tr-yellowstone River near Intake.
The dam stands 15 feet tall and stretches 200 feet across, has a maximum storage capacity of 77 acre-feet, and collects water from a drainage area of 1 square miles. Completed in 1946, the structure is well-established, with more than 75 years of service.
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
| State | Montana |
| County | Dawson |
| Nearest City | Intake |
| River/Stream | Tr-yellowstone River |
| Coordinates | 47.13540, -104.65160 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 15 ft |
| Dam Height | 15 ft |
| Dam Length | 200 ft |
| Year Completed | 1946 (80 years old) |
Storage & Hydraulics
| NID Storage | 77 acre-ft |
| Max Storage | 77 acre-ft |
| Normal Storage | 40 acre-ft |
| Drainage Area | 1 sq mi |
| Max Discharge | 600 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Fire Protection, Stock, Or Small Fish Pond |
| Owner | ROBERT L GUELFF |
| Owner Type | Private |
| Hazard Classification | Low |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | MT00837 |
| Federal ID | MT00837 |
| More Info | State Dam Safety Program |