Lady Emma
Lady Emma is an earth dam located in Natrona County, Wyoming, built in 1917. It carries a Low hazard potential classification.
About Lady Emma
The primary purpose of Lady Emma is irrigation. The dam stores and diverts water for agricultural irrigation, supporting farming operations in the surrounding area. The dam is owned by Circle Bar Ranch, Attn: Lois Blasberg (private). It impounds the Brush Creek near Hyw 220.
The dam stands 23 feet tall and stretches 465 feet across, creates a reservoir covering 4 acres, and has a maximum storage capacity of 52 acre-feet. Completed in 1917, the structure is over a century 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. The most recent inspection on record was 10/05/2021.
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Location
| State | Wyoming |
| County | Natrona |
| Nearest City | Hyw 220 |
| River/Stream | Brush Creek |
| Coordinates | 42.77700, -107.35580 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 23 ft |
| Dam Height | 23 ft |
| Dam Length | 465 ft |
| Year Completed | 1917 (109 years old) |
Storage & Hydraulics
| NID Storage | 52 acre-ft |
| Max Storage | 52 acre-ft |
| Normal Storage | 32 acre-ft |
| Surface Area | 4 acres |
| Max Discharge | 906 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Irrigation |
| Owner | CIRCLE BAR RANCH, ATTN: LOIS BLASBERG |
| Owner Type | Private |
| Hazard Classification | Low |
| Last Inspection | 10/05/2021 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | WY01733 |
| Federal ID | WY01733 |
| More Info | State Dam Safety Program |