Blue No. 1 is an earth dam located in Sweetwater County, Wyoming, built in 1997. It carries a Low hazard potential classification and has a fair condition assessment.
Dam profile
NID height · 50 ft50 ft tall and 6,800 ft long, taller than 92% of U.S. dams with a recorded height. Height is drawn to scale against a ten-story building, about 100 ft; the profile is a generic embankment section and the water level is illustrative.
About Blue No. 1
Blue No. 1 is a dam in Sweetwater, Wyoming. The dam is owned by Uranium Energy Corp. (private). It impounds the Battle Spring.
The dam stands 50 feet tall and stretches 6,800 feet across, creates a reservoir covering 58 acres, and has a storage capacity of 1,985 acre-feet. Completed in 1997, the structure is 29 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 04/10/2025.
At 50 feet, this dam is taller than 92% of dams nationwide.
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Location
| State | Wyoming |
| County | Sweetwater |
| River/Stream | Battle Spring |
| Coordinates | 42.05120, -107.89110 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 50 ft |
| Dam Height | 50 ft |
| Dam Length | 6,800 ft |
| Year Completed | 1997 (29 years old) |
Storage & Hydraulics
| NID Storage | 1,985 acre-ft |
| Normal Storage | 1,985 acre-ft |
| Surface Area | 58 acres |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Other |
| Owner | Uranium Energy Corp. |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Fair |
| Last Inspection | 04/10/2025 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | WY02604 |
| Federal ID | WY02604 |
| More Info | State Dam Safety Program |