Akers & Tarr
Akers & Tarr is an earth dam located in Weld County, Colorado, built in 1918. It carries a Significant hazard potential classification and has a satisfactory condition assessment.
About Akers & Tarr
The primary purpose of Akers & Tarr is irrigation. The dam stores and diverts water for agricultural irrigation, supporting farming operations in the surrounding area. The dam is owned by Gaddis, John (private). It impounds the St Vrain Creek-tr near Gilcrest.
The dam stands 38 feet tall and stretches 940 feet across, creates a reservoir covering 17 acres, and has a maximum storage capacity of 256 acre-feet. Completed in 1918, the structure is over a century old.
This dam has a significant hazard potential classification, meaning that a failure could cause significant economic damage — flooding roads, bridges, or property downstream — but is not expected to result in loss of life. Its condition is rated satisfactory, indicating no existing or potential dam safety deficiencies are recognized. An emergency action plan is in place for this dam. The most recent inspection on record was 10/19/2021.
At 38 feet, this dam is taller than 85% of dams nationwide.
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Location
| State | Colorado |
| County | Weld |
| Nearest City | Gilcrest |
| River/Stream | St Vrain Creek-tr |
| Coordinates | 40.27325, -104.95340 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 38 ft |
| Dam Height | 38 ft |
| Dam Length | 940 ft |
| Year Completed | 1918 (108 years old) |
Storage & Hydraulics
| NID Storage | 256 acre-ft |
| Max Storage | 256 acre-ft |
| Normal Storage | 171 acre-ft |
| Surface Area | 17 acres |
| Max Discharge | 1,440 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Irrigation |
| Owner | GADDIS, JOHN |
| Owner Type | Private |
| Hazard Classification | Significant |
| Condition Assessment | Satisfactory |
| Last Inspection | 10/19/2021 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | CO00168 |
| Federal ID | CO00168 |
| More Info | State Dam Safety Program |