Crooked Arroyo Det Ca-1
Crooked Arroyo Det Ca-1 is an earth dam located in Otero County, Colorado, built in 1973. It carries a Significant hazard potential classification and has a satisfactory condition assessment.
About Crooked Arroyo Det Ca-1
The primary purpose of Crooked Arroyo Det Ca-1 is flood risk reduction. The dam is designed to control downstream flooding by temporarily storing excess water during storms and releasing it at a controlled rate. The dam is owned by Otero County (nichols, Lex) (local government). It impounds the Crooked Arroyo-tr near La Junta.
The dam stands 61 feet tall and stretches 2,730 feet across, creates a reservoir covering 204 acres, has a maximum storage capacity of 5,754 acre-feet, and collects water from a drainage area of 24 square miles. Completed in 1973, 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 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 10/07/2021.
At 61 feet, this dam is taller than 95% of all dams in the United States.
Search for dams near your address to see all dams in your area with hazard classifications and safety data.
Location
| State | Colorado |
| County | Otero |
| Nearest City | La Junta |
| River/Stream | Crooked Arroyo-tr |
| Coordinates | 37.67501, -103.79390 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 61 ft |
| Dam Height | 46 ft |
| Dam Length | 2,730 ft |
| Year Completed | 1973 (53 years old) |
Storage & Hydraulics
| NID Storage | 5,754 acre-ft |
| Max Storage | 5,754 acre-ft |
| Normal Storage | 2,468 acre-ft |
| Surface Area | 204 acres |
| Drainage Area | 24 sq mi |
| Max Discharge | 7,250 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Flood Risk Reduction |
| Owner | OTERO COUNTY (NICHOLS, LEX) |
| Owner Type | Local Government |
| Hazard Classification | Significant |
| Condition Assessment | Satisfactory |
| Last Inspection | 10/07/2021 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | CO00519 |
| Federal ID | CO00519 |
| More Info | State Dam Safety Program |