Falxa No. 1
Falxa No. 1 is an earth dam located in Johnson County, Wyoming, built in 1958. It carries a Low hazard potential classification and has a poor condition assessment.
About Falxa No. 1
The primary purpose of Falxa 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 Falxa Land Company, Inc (private). It impounds the Phillips Draw near Arvada.
The dam stands 25 feet tall and stretches 255 feet across, creates a reservoir covering 6 acres, and has a maximum storage capacity of 73 acre-feet. Completed in 1958, 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 poor, meaning the dam has recognized safety deficiencies that require remediation to address risks. The most recent inspection on record was 08/18/2021.
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Location
| State | Wyoming |
| County | Johnson |
| Nearest City | Arvada |
| River/Stream | Phillips Draw |
| Coordinates | 44.01080, -106.29110 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 25 ft |
| Dam Height | 25 ft |
| Dam Length | 255 ft |
| Year Completed | 1958 (68 years old) |
Storage & Hydraulics
| NID Storage | 73 acre-ft |
| Max Storage | 73 acre-ft |
| Normal Storage | 38 acre-ft |
| Surface Area | 6 acres |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Fire Protection, Stock, Or Small Fish Pond |
| Owner | FALXA LAND COMPANY, INC |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Poor |
| Last Inspection | 08/18/2021 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | WY00536 |
| Federal ID | WY00536 |
| More Info | State Dam Safety Program |