A & M is an earth dam located in Sweetwater County, Wyoming, built in 1978. It carries a Low hazard potential classification and has a fair condition assessment.
Dam profile
NID height · 31 ft31 ft tall and 344 ft long, taller than 72% 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 A & M
The primary purpose of A & M is fish and wildlife pond. The dam creates habitat for fish and wildlife, supporting local ecosystems and potentially serving conservation goals. The dam is owned by Usdi BLM (federal). It impounds the A & M Draw near Co. Rd Section 16.
The dam stands 31 feet tall and stretches 344 feet across, creates a reservoir covering 6 acres, has a maximum storage capacity of 126 acre-feet, and collects water from a drainage area of 1 square miles. Completed in 1978, the structure is 48 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 06/02/2020.
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Location
| State | Wyoming |
| County | Sweetwater |
| Nearest City | Co. Rd Section 16 |
| River/Stream | A & M Draw |
| Coordinates | 42.23480, -107.70510 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 31 ft |
| Dam Height | 31 ft |
| Dam Length | 344 ft |
| Year Completed | 1978 (48 years old) |
Storage & Hydraulics
| NID Storage | 126 acre-ft |
| Max Storage | 126 acre-ft |
| Normal Storage | 31 acre-ft |
| Surface Area | 6 acres |
| Drainage Area | 1 sq mi |
| Max Discharge | 693 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Fish and Wildlife Pond |
| Owner | Usdi BLM |
| Owner Type | Federal |
| Hazard Classification | Low |
| Condition Assessment | Fair |
| Last Inspection | 06/02/2020 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | WY02496 |
| Federal ID | WY02496 |
| More Info | State Dam Safety Program |