Griffith Stock
Griffith Stock is an earth dam located in Sheridan County, Wyoming, built in 1964. It carries a Low hazard potential classification and has a fair condition assessment.
About Griffith Stock
The primary purpose of Griffith Stock 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 Farmland Reserve, Inc (private). It impounds the Griffith Draw near Powderville, Mt.
The dam stands 32 feet tall and stretches 220 feet across, creates a reservoir covering 3 acres, and has a maximum storage capacity of 47 acre-feet. Completed in 1964, 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. Its condition is rated fair — the dam has minor deficiencies that are being addressed or do not pose an immediate safety threat. The most recent inspection on record was 04/30/2020.
At 32 feet, this dam is taller than 76% of dams nationwide.
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Location
| State | Wyoming |
| County | Sheridan |
| Nearest City | Powderville, Mt |
| River/Stream | Griffith Draw |
| Coordinates | 44.78020, -106.40980 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 32 ft |
| Dam Height | 30 ft |
| Dam Length | 220 ft |
| Year Completed | 1964 (62 years old) |
Storage & Hydraulics
| NID Storage | 47 acre-ft |
| Max Storage | 47 acre-ft |
| Normal Storage | 27 acre-ft |
| Surface Area | 3 acres |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Fire Protection, Stock, Or Small Fish Pond |
| Owner | FARMLAND RESERVE, INC |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Fair |
| Last Inspection | 04/30/2020 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | WY00472 |
| Federal ID | WY00472 |
| More Info | State Dam Safety Program |