Ryan (garfield)
Ryan (garfield) is an earth dam located in Garfield County, Montana, built in 1968. It carries a Low hazard potential classification.
About Ryan (garfield)
The primary purpose of Ryan (garfield) 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 John Ryan (private). It impounds the Tr-wolf Creek near No Town.
The dam stands 20 feet tall and stretches 450 feet across, has a maximum storage capacity of 196 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1968, 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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Location
| State | Montana |
| County | Garfield |
| Nearest City | No Town |
| River/Stream | Tr-wolf Creek |
| Coordinates | 47.41830, -107.52490 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 20 ft |
| Dam Height | 20 ft |
| Dam Length | 450 ft |
| Year Completed | 1968 (58 years old) |
Storage & Hydraulics
| NID Storage | 196 acre-ft |
| Max Storage | 196 acre-ft |
| Normal Storage | 100 acre-ft |
| Drainage Area | 0 sq mi |
| Max Discharge | 75 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Fire Protection, Stock, Or Small Fish Pond |
| Owner | JOHN RYAN |
| Owner Type | Private |
| Hazard Classification | Low |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | MT01003 |
| Federal ID | MT01003 |
| More Info | State Dam Safety Program |