James Marion Yoast
James Marion Yoast is an earth dam located in Routt County, Colorado, built in 1909. It carries a Low hazard potential classification and has a fair condition assessment.
About James Marion Yoast
The primary purpose of James Marion Yoast is irrigation. The dam stores and diverts water for agricultural irrigation, supporting farming operations in the surrounding area. The dam is owned by Camilletti, Darrell And Carol (private). It impounds the Yoast Creek near Craig.
The dam stands 23 feet tall and stretches 545 feet across, creates a reservoir covering 20 acres, and has a maximum storage capacity of 360 acre-feet. Completed in 1909, the structure is over a century 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 04/29/2021.
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Location
| State | Colorado |
| County | Routt |
| Nearest City | Craig |
| River/Stream | Yoast Creek |
| Coordinates | 40.29834, -107.18557 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 23 ft |
| Dam Height | 23 ft |
| Dam Length | 545 ft |
| Year Completed | 1909 (117 years old) |
Storage & Hydraulics
| NID Storage | 360 acre-ft |
| Max Storage | 360 acre-ft |
| Normal Storage | 201 acre-ft |
| Surface Area | 20 acres |
| Max Discharge | 42 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Irrigation |
| Owner | CAMILLETTI, DARRELL AND CAROL |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Fair |
| Last Inspection | 04/29/2021 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | CO00889 |
| Federal ID | CO00889 |
| More Info | State Dam Safety Program |