Toltec
Toltec is an earth dam located in Albany County, Wyoming, built in 1984. It carries a Low hazard potential classification and has a fair condition assessment.
About Toltec
The primary purpose of Toltec is irrigation. The dam stores and diverts water for agricultural irrigation, supporting farming operations in the surrounding area. The dam is owned by Toltec Watershed Improvement Dist. (private). It impounds the North Laramie near Garrett.
The dam stands 60 feet tall and stretches 1,750 feet across, creates a reservoir covering 228 acres, has a maximum storage capacity of 4,541 acre-feet, and collects water from a drainage area of 46 square miles. Completed in 1984, the structure is 42 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 09/16/2025.
At 60 feet, this dam is taller than 95% of all dams in the United States.
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Location
| State | Wyoming |
| County | Albany |
| Nearest City | Garrett |
| River/Stream | North Laramie |
| Coordinates | 42.20500, -105.71600 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 60 ft |
| Dam Height | 60 ft |
| Dam Length | 1,750 ft |
| Year Completed | 1984 (42 years old) |
Storage & Hydraulics
| NID Storage | 4,541 acre-ft |
| Max Storage | 4,541 acre-ft |
| Normal Storage | 2,945 acre-ft |
| Surface Area | 228 acres |
| Drainage Area | 46 sq mi |
| Max Discharge | 6,910 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Irrigation |
| Owner | TOLTEC WATERSHED IMPROVEMENT DIST. |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Fair |
| Last Inspection | 09/16/2025 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | WY01925 |
| Federal ID | WY01925 |
| More Info | State Dam Safety Program |