Bear Creek No. 1 is an earth dam located in Converse County, Wyoming, built in 1972. It carries a Low hazard potential classification and has a fair condition assessment.
Dam profile
NID height · 19 ft19 ft tall and 980 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 Bear Creek No. 1
The primary purpose of Bear Creek 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 Jennie Miller Ranch Company (private). It impounds the Bear Creek near Edgemont, Sd.
The dam stands 19 feet tall and stretches 980 feet across, creates a reservoir covering 14 acres, and has a maximum storage capacity of 150 acre-feet. Completed in 1972, 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 06/13/2022.
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Location
| State | Wyoming |
| County | Converse |
| Nearest City | Edgemont, Sd |
| River/Stream | Bear Creek |
| Coordinates | 43.33370, -105.55900 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 19 ft |
| Dam Height | 19 ft |
| Dam Length | 980 ft |
| Year Completed | 1972 (54 years old) |
Storage & Hydraulics
| NID Storage | 150 acre-ft |
| Max Storage | 150 acre-ft |
| Normal Storage | 57 acre-ft |
| Surface Area | 14 acres |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Irrigation |
| Owner | Jennie Miller Ranch Company |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Fair |
| Last Inspection | 06/13/2022 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | WY00433 |
| Federal ID | WY00433 |
| More Info | State Dam Safety Program |