Holbrook
Holbrook is an earth dam located in Otero County, Colorado, built in 1890. It carries a Significant hazard potential classification and has a satisfactory condition assessment.
About Holbrook
The primary purpose of Holbrook is irrigation. The dam stores and diverts water for agricultural irrigation, supporting farming operations in the surrounding area. The dam is owned by Holbrook Mutual Irr. Co. (jeremy Dutton) (private). It impounds the Arkansas River-os near Cheraw.
The dam stands 25 feet tall and stretches 3,168 feet across, creates a reservoir covering 660 acres, has a maximum storage capacity of 10,138 acre-feet, and collects water from a drainage area of 14 square miles. Completed in 1890, 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 04/13/2022.
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Location
| State | Colorado |
| County | Otero |
| Nearest City | Cheraw |
| River/Stream | Arkansas River-os |
| Coordinates | 38.06001, -103.60557 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 25 ft |
| Dam Height | 25 ft |
| Dam Length | 3,168 ft |
| Year Completed | 1890 (136 years old) |
Storage & Hydraulics
| NID Storage | 10,138 acre-ft |
| Max Storage | 10,138 acre-ft |
| Normal Storage | 6,258 acre-ft |
| Surface Area | 660 acres |
| Drainage Area | 14 sq mi |
| Max Discharge | 10,110 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Irrigation |
| Owner | HOLBROOK MUTUAL IRR. CO. (JEREMY DUTTON) |
| Owner Type | Private |
| Hazard Classification | Significant |
| Condition Assessment | Satisfactory |
| Last Inspection | 04/13/2022 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | CO01835 |
| Federal ID | CO01835 |
| More Info | State Dam Safety Program |