Will No. 1
Will No. 1 is an earth dam located in Johnson County, Wyoming, built in 1991. It carries a Low hazard potential classification and has a fair condition assessment.
About Will No. 1
The primary purpose of Will No. 1 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 Ttt Ranch Corp (private). It impounds the Will Draw near Sussex.
The dam stands 30 feet tall and stretches 410 feet across, creates a reservoir covering 19 acres, has a maximum storage capacity of 302 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1991, the structure is 35 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 07/17/2024.
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Location
| State | Wyoming |
| County | Johnson |
| Nearest City | Sussex |
| River/Stream | Will Draw |
| Coordinates | 43.52528, -106.61667 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 30 ft |
| Dam Height | 30 ft |
| Dam Length | 410 ft |
| Year Completed | 1991 (35 years old) |
Storage & Hydraulics
| NID Storage | 302 acre-ft |
| Max Storage | 302 acre-ft |
| Normal Storage | 172 acre-ft |
| Surface Area | 19 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 3,360 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Fire Protection, Stock, Or Small Fish Pond |
| Owner | TTT RANCH CORP |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Fair |
| Last Inspection | 07/17/2024 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | WY02098 |
| Federal ID | WY02098 |
| More Info | State Dam Safety Program |