Mcmillen No. 2 is an earth dam located in Goshen County, Wyoming, built in 1955. It carries a Low hazard potential classification and has a poor condition assessment.
Dam profile
NID height · 19 ft19 ft tall and 969 ft long. Height is drawn to scale against a two-story house, about 25 ft; the profile is a generic embankment section and the water level is illustrative.
About Mcmillen No. 2
The primary purpose of Mcmillen No. 2 is irrigation. The dam stores and diverts water for agricultural irrigation, supporting farming operations in the surrounding area. The dam is owned by Kyle T. & Taryn L. Kilty (private). It impounds the Dry Creek near Morrill, Neb.
The dam stands 19 feet tall and stretches 969 feet across, creates a reservoir covering 24 acres, and has a maximum storage capacity of 202 acre-feet. Completed in 1955, 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 04/12/2023.
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Location
| State | Wyoming |
| County | Goshen |
| Nearest City | Morrill, Neb |
| River/Stream | Dry Creek |
| Coordinates | 41.76056, -104.18333 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 19 ft |
| Dam Height | 19 ft |
| Dam Length | 969 ft |
| Year Completed | 1955 (71 years old) |
Storage & Hydraulics
| NID Storage | 202 acre-ft |
| Max Storage | 202 acre-ft |
| Normal Storage | 142 acre-ft |
| Surface Area | 24 acres |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Irrigation |
| Owner | Kyle T. & Taryn L. Kilty |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Poor |
| Last Inspection | 04/12/2023 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | WY00115 |
| Federal ID | WY00115 |
| More Info | State Dam Safety Program |