Austin No. 1
Austin No. 1 is an earth dam located in Johnson County, Wyoming, built in 1991. It carries a Low hazard potential classification and has a poor condition assessment.
About Austin No. 1
The primary purpose of Austin 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 Austin Draw near Sussex.
The dam stands 22 feet tall and stretches 540 feet across, creates a reservoir covering 24 acres, has a maximum storage capacity of 217 acre-feet, and collects water from a drainage area of 2 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 poor, meaning the dam has recognized safety deficiencies that require remediation to address risks. The most recent inspection on record was 07/17/2024.
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Location
| State | Wyoming |
| County | Johnson |
| Nearest City | Sussex |
| River/Stream | Austin Draw |
| Coordinates | 43.49806, -106.66500 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 22 ft |
| Dam Height | 22 ft |
| Dam Length | 540 ft |
| Year Completed | 1991 (35 years old) |
Storage & Hydraulics
| NID Storage | 217 acre-ft |
| Max Storage | 217 acre-ft |
| Normal Storage | 95 acre-ft |
| Surface Area | 24 acres |
| Drainage Area | 2 sq mi |
| Max Discharge | 2,052 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 | Poor |
| Last Inspection | 07/17/2024 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | WY02099 |
| Federal ID | WY02099 |
| More Info | State Dam Safety Program |