Ivanhoe
Ivanhoe is an earth dam located in Pitkin County, Colorado, built in 1928. It carries a Significant hazard potential classification and has a satisfactory condition assessment.
About Ivanhoe
The primary purpose of Ivanhoe is irrigation. The dam stores and diverts water for agricultural irrigation, supporting farming operations in the surrounding area. The dam is owned by Board Of Water Works-pueblo, Colorado (ward, Alan) (public utility). It impounds the Ivanhoe Creek near Thomasville.
The dam stands 17 feet tall and stretches 270 feet across, creates a reservoir covering 82 acres, has a maximum storage capacity of 1,155 acre-feet, and collects water from a drainage area of 2 square miles. Completed in 1928, the structure is well-established, with more than 75 years of service.
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 07/20/2021.
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Location
| State | Colorado |
| County | Pitkin |
| Nearest City | Thomasville |
| River/Stream | Ivanhoe Creek |
| Coordinates | 39.27168, -106.50890 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 17 ft |
| Dam Height | 16 ft |
| Dam Length | 270 ft |
| Year Completed | 1928 (98 years old) |
Storage & Hydraulics
| NID Storage | 1,155 acre-ft |
| Max Storage | 1,155 acre-ft |
| Normal Storage | 752 acre-ft |
| Surface Area | 82 acres |
| Drainage Area | 2 sq mi |
| Max Discharge | 627 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Irrigation |
| Owner | BOARD OF WATER WORKS-PUEBLO, COLORADO (WARD, ALAN) |
| Owner Type | Public Utility |
| Hazard Classification | Significant |
| Condition Assessment | Satisfactory |
| Last Inspection | 07/20/2021 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | CO00682 |
| Federal ID | CO00682 |
| More Info | State Dam Safety Program |