Ulman No. 1
Ulman No. 1 is an earth dam located in Laramie County, Wyoming, built in 1970. It carries a Low hazard potential classification and has a fair condition assessment.
About Ulman No. 1
The primary purpose of Ulman No. 1 is irrigation. The dam stores and diverts water for agricultural irrigation, supporting farming operations in the surrounding area. The dam is owned by Red Baldy Ranch C/o Ed Ferguson (private). It impounds the Crow Creek near Hereford Colorado.
The dam stands 22 feet tall and stretches 1,200 feet across, creates a reservoir covering 19 acres, and has a maximum storage capacity of 614 acre-feet. Completed in 1970, 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 09/02/2021.
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Location
| State | Wyoming |
| County | Laramie |
| Nearest City | Hereford Colorado |
| River/Stream | Crow Creek |
| Coordinates | 41.12360, -104.58720 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 22 ft |
| Dam Height | 22 ft |
| Dam Length | 1,200 ft |
| Year Completed | 1970 (56 years old) |
Storage & Hydraulics
| NID Storage | 614 acre-ft |
| Max Storage | 614 acre-ft |
| Normal Storage | 289 acre-ft |
| Surface Area | 19 acres |
| Max Discharge | 7,000 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Irrigation |
| Owner | RED BALDY RANCH C/O ED FERGUSON |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Fair |
| Last Inspection | 09/02/2021 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | WY00060 |
| Federal ID | WY00060 |
| More Info | State Dam Safety Program |