Myrtle
Myrtle is an earth dam located in Campbell County, Wyoming, built in 1963. It carries a Low hazard potential classification and has a fair condition assessment.
About Myrtle
The primary purpose of Myrtle 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 Paul Lewis Trust (private). It impounds the Wild Horse Creek near Arvada.
The dam stands 29 feet tall and stretches 562 feet across, creates a reservoir covering 10 acres, and has a maximum storage capacity of 132 acre-feet. Completed in 1963, the structure is well into its service life at over 50 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 03/30/2020.
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Location
| State | Wyoming |
| County | Campbell |
| Nearest City | Arvada |
| River/Stream | Wild Horse Creek |
| Coordinates | 44.19917, -105.72639 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 29 ft |
| Dam Height | 29 ft |
| Dam Length | 562 ft |
| Year Completed | 1963 (63 years old) |
Storage & Hydraulics
| NID Storage | 132 acre-ft |
| Max Storage | 132 acre-ft |
| Normal Storage | 54 acre-ft |
| Surface Area | 10 acres |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Fire Protection, Stock, Or Small Fish Pond |
| Owner | PAUL LEWIS TRUST |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Fair |
| Last Inspection | 03/30/2020 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | WY00564 |
| Federal ID | WY00564 |
| More Info | State Dam Safety Program |