Colby Horse Park
Colby Horse Park is an earth dam located in Mesa County, Colorado, built in 1956. It carries a Significant hazard potential classification and has a fair condition assessment.
About Colby Horse Park
The primary purpose of Colby Horse Park is irrigation. The dam stores and diverts water for agricultural irrigation, supporting farming operations in the surrounding area. The dam is owned by Leon Lake Ditch & Res. Company (walker, John) (private). It impounds the Leon Creek near Collbran.
The dam stands 26 feet tall and stretches 475 feet across, creates a reservoir covering 49 acres, and has a maximum storage capacity of 734 acre-feet. Completed in 1956, the structure is well into its service life at over 50 years 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 fair — the dam has minor deficiencies that are being addressed or do not pose an immediate safety threat. An emergency action plan is in place for this dam. The most recent inspection on record was 08/23/2021.
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Location
| State | Colorado |
| County | Mesa |
| Nearest City | Collbran |
| River/Stream | Leon Creek |
| Coordinates | 39.08333, -107.79390 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 26 ft |
| Dam Height | 23 ft |
| Dam Length | 475 ft |
| Year Completed | 1956 (70 years old) |
Storage & Hydraulics
| NID Storage | 734 acre-ft |
| Max Storage | 734 acre-ft |
| Normal Storage | 471 acre-ft |
| Surface Area | 49 acres |
| Max Discharge | 620 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Irrigation |
| Owner | LEON LAKE DITCH & RES. COMPANY (WALKER, JOHN) |
| Owner Type | Private |
| Hazard Classification | Significant |
| Condition Assessment | Fair |
| Last Inspection | 08/23/2021 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | CO00948 |
| Federal ID | CO00948 |
| More Info | State Dam Safety Program |