Bentley is an earth dam located in Natrona County, Wyoming, built in 1960. It carries a Low hazard potential classification and has a fair condition assessment.
Dam profile
NID height · 26 ft26 ft tall and 700 ft long, taller than 55% 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 Bentley
The primary purpose of Bentley is irrigation. The dam stores and diverts water for agricultural irrigation, supporting farming operations in the surrounding area. The dam is owned by Eastgate Ranch LLC (private). It impounds the Claud Creek near Big Muddy Oil Field.
The dam stands 26 feet tall and stretches 700 feet across, creates a reservoir covering 8 acres, and has a maximum storage capacity of 104 acre-feet. Completed in 1960, 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 06/17/2020.
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Location
| State | Wyoming |
| County | Natrona |
| Nearest City | Big Muddy Oil Field |
| River/Stream | Claud Creek |
| Coordinates | 42.82400, -106.23300 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 26 ft |
| Dam Height | 26 ft |
| Dam Length | 700 ft |
| Year Completed | 1960 (66 years old) |
Storage & Hydraulics
| NID Storage | 104 acre-ft |
| Max Storage | 104 acre-ft |
| Normal Storage | 53 acre-ft |
| Surface Area | 8 acres |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Irrigation |
| Owner | Eastgate Ranch LLC |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Fair |
| Last Inspection | 06/17/2020 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | WY00190 |
| Federal ID | WY00190 |
| More Info | State Dam Safety Program |