Hanna Lagoon (cell 1 & 2)
Hanna Lagoon (cell 1 & 2) is an earth dam located in Carbon County, Wyoming, built in 1988. It carries a Low hazard potential classification and has a fair condition assessment.
About Hanna Lagoon (cell 1 & 2)
Hanna Lagoon (cell 1 & 2) is a dam in Carbon, Wyoming. The dam is owned by Town Of Hanna (richard Gregory) (local government). It impounds the Drainage Of Big Ditch Creek.
The dam stands 10 feet tall and stretches 3,900 feet across, creates a reservoir covering 21 acres, and has a storage capacity of 61 acre-feet. Completed in 1988, the structure is 38 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 07/28/2022.
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Location
| State | Wyoming |
| County | Carbon |
| River/Stream | Drainage Of Big Ditch Creek |
| Coordinates | 41.86780, -106.58590 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 10 ft |
| Dam Height | 8 ft |
| Dam Length | 3,900 ft |
| Year Completed | 1988 (38 years old) |
Storage & Hydraulics
| NID Storage | 61 acre-ft |
| Normal Storage | 61 acre-ft |
| Surface Area | 21 acres |
| Spillway Type | None |
Ownership & Safety
| Purpose | Other |
| Owner | TOWN OF HANNA (RICHARD GREGORY) |
| Owner Type | Local Government |
| Hazard Classification | Low |
| Condition Assessment | Fair |
| Last Inspection | 07/28/2022 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | WY01684 |
| Federal ID | WY01684 |
| More Info | State Dam Safety Program |