Three Forks
Three Forks is an earth dam located in Weston County, Wyoming, built in 1965. It carries a Low hazard potential classification and has a fair condition assessment.
About Three Forks
The primary purpose of Three Forks 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 Michael V. & Alice I Harris (private). It impounds the Threeeforks Dr, Tr Robbers Rst near Newcastle.
The dam stands 31 feet tall and stretches 338 feet across, creates a reservoir covering 7 acres, and has a maximum storage capacity of 35 acre-feet. Completed in 1965, 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 09/08/2021.
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Location
| State | Wyoming |
| County | Weston |
| Nearest City | Newcastle |
| River/Stream | Threeeforks Dr, Tr Robbers Rst |
| Coordinates | 43.53260, -104.28830 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 31 ft |
| Dam Height | 31 ft |
| Dam Length | 338 ft |
| Year Completed | 1965 (61 years old) |
Storage & Hydraulics
| NID Storage | 64 acre-ft |
| Max Storage | 35 acre-ft |
| Normal Storage | 64 acre-ft |
| Surface Area | 7 acres |
| Max Discharge | 1,190 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Fire Protection, Stock, Or Small Fish Pond |
| Owner | MICHAEL V. & ALICE I HARRIS |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Fair |
| Last Inspection | 09/08/2021 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | WY00807 |
| Federal ID | WY00807 |
| More Info | State Dam Safety Program |