Concho Springs
Concho Springs is a rockfill dam located in Apache County, Arizona, built in 1927. It carries a Significant hazard potential classification and has a satisfactory condition assessment.
About Concho Springs
The primary purpose of Concho Springs is irrigation. The dam stores and diverts water for agricultural irrigation, supporting farming operations in the surrounding area. The dam is owned by Concho Water Co., Inc. (private). It impounds the Concho Springs near Concho.
The dam stands 26 feet tall and stretches 310 feet across, creates a reservoir covering 155 acres, has a maximum storage capacity of 1,560 acre-feet, and collects water from a drainage area of 7 square miles. Completed in 1927, 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 09/29/2023.
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Location
| State | Arizona |
| County | Apache |
| Nearest City | Concho |
| River/Stream | Concho Springs |
| Coordinates | 34.44861, -109.62861 |
Physical Characteristics
| Dam Type | Rockfill |
| NID Height | 26 ft |
| Dam Height | 24 ft |
| Dam Length | 310 ft |
| Year Completed | 1927 (99 years old) |
Storage & Hydraulics
| NID Storage | 1,560 acre-ft |
| Max Storage | 1,560 acre-ft |
| Normal Storage | 1,198 acre-ft |
| Surface Area | 155 acres |
| Drainage Area | 7 sq mi |
| Max Discharge | 625 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Irrigation |
| Owner | CONCHO WATER CO., INC. |
| Owner Type | Private |
| Hazard Classification | Significant |
| Condition Assessment | Satisfactory |
| Last Inspection | 09/29/2023 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | AZ00032 |
| Federal ID | AZ00032 |
| More Info | State Dam Safety Program |