Morrison No. 2 is an earth dam located in Platte County, Wyoming, built in 1975. It carries a Low hazard potential classification and has a poor condition assessment.
Dam profile
NID height · 32 ft32 ft tall and 595 ft long, taller than 74% of U.S. dams with a recorded height. 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 Morrison No. 2
The primary purpose of Morrison 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 Don Wedemeyer (private). It impounds the North Chugwater Creek near Chugwater.
The dam stands 32 feet tall and stretches 595 feet across, creates a reservoir covering 16 acres, and has a maximum storage capacity of 129 acre-feet. Completed in 1975, 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 06/29/2021.
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Location
| State | Wyoming |
| County | Platte |
| Nearest City | Chugwater |
| River/Stream | North Chugwater Creek |
| Coordinates | 41.69440, -105.10850 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 32 ft |
| Dam Height | 32 ft |
| Dam Length | 595 ft |
| Year Completed | 1975 (51 years old) |
Storage & Hydraulics
| NID Storage | 129 acre-ft |
| Max Storage | 129 acre-ft |
| Normal Storage | 129 acre-ft |
| Surface Area | 16 acres |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Irrigation |
| Owner | Don Wedemeyer |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Poor |
| Last Inspection | 06/29/2021 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | WY00160 |
| Federal ID | WY00160 |
| More Info | State Dam Safety Program |