Outer Drive Flood Detention
Outer Drive Flood Detention is an earth dam located in Natrona County, Wyoming, built in 1980. It carries a Low hazard potential classification and has a fair condition assessment.
About Outer Drive Flood Detention
The primary purpose of Outer Drive Flood Detention is flood risk reduction. The dam is designed to control downstream flooding by temporarily storing excess water during storms and releasing it at a controlled rate. The dam is owned by City Of Casper, Attn: V. H. Mcdonald (local government). It impounds the Outer Drive Draw Tr Eastdale near Casper.
The dam stands 50 feet tall and stretches 675 feet across, creates a reservoir covering 2 acres, and has a storage capacity of 39 acre-feet. Completed in 1980, the structure is 46 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 04/06/2021.
At 50 feet, this dam is taller than 93% of dams nationwide.
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Location
| State | Wyoming |
| County | Natrona |
| Nearest City | Casper |
| River/Stream | Outer Drive Draw Tr Eastdale |
| Coordinates | 42.80590, -106.33770 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 50 ft |
| Dam Height | 50 ft |
| Dam Length | 675 ft |
| Year Completed | 1980 (46 years old) |
Storage & Hydraulics
| NID Storage | 39 acre-ft |
| Normal Storage | 39 acre-ft |
| Surface Area | 2 acres |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Flood Risk Reduction |
| Owner | CITY OF CASPER, ATTN: V. H. MCDONALD |
| Owner Type | Local Government |
| Hazard Classification | Low |
| Condition Assessment | Fair |
| Last Inspection | 04/06/2021 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | WY01794 |
| Federal ID | WY01794 |
| More Info | State Dam Safety Program |