Artesian Lower
Artesian Lower is an earth dam located in Campbell County, Wyoming, built in 1951. It carries a Low hazard potential classification and has a fair condition assessment.
About Artesian Lower
The primary purpose of Artesian Lower is irrigation. The dam stores and diverts water for agricultural irrigation, supporting farming operations in the surrounding area. The dam is owned by Iberlin Ranch Lp (private). It impounds the Artesian Creek near Arvada.
The dam stands 32 feet tall and stretches 578 feet across, creates a reservoir covering 35 acres, and has a maximum storage capacity of 507 acre-feet. Completed in 1951, 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 07/03/2023.
At 32 feet, this dam is taller than 76% of dams nationwide.
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Location
| State | Wyoming |
| County | Campbell |
| Nearest City | Arvada |
| River/Stream | Artesian Creek |
| Coordinates | 43.55167, -105.97861 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 32 ft |
| Dam Height | 32 ft |
| Dam Length | 578 ft |
| Year Completed | 1951 (75 years old) |
Storage & Hydraulics
| NID Storage | 507 acre-ft |
| Max Storage | 507 acre-ft |
| Normal Storage | 306 acre-ft |
| Surface Area | 35 acres |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Irrigation |
| Owner | IBERLIN RANCH LP |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Fair |
| Last Inspection | 07/03/2023 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | WY02091 |
| Federal ID | WY02091 |
| More Info | State Dam Safety Program |