Coronado Gen. Station Evap. Pond
Coronado Gen. Station Evap. Pond is an earth dam located in Apache County, Arizona, built in 1978. It carries a Significant hazard potential classification and has a satisfactory condition assessment.
About Coronado Gen. Station Evap. Pond
Coronado Gen. Station Evap. Pond is a dam in Apache, Arizona. The dam is owned by Salt River Project (public utility). It impounds the Little Colorado River - Tr near Holbrook.
The dam stands 75 feet tall and stretches 3,300 feet across, creates a reservoir covering 330 acres, has a maximum storage capacity of 7,080 acre-feet, and collects water from a drainage area of 2 square miles. Completed in 1978, the structure is 48 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 07/13/2023.
At 75 feet, this dam is taller than 97% 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 | Arizona |
| County | Apache |
| Nearest City | Holbrook |
| River/Stream | Little Colorado River - Tr |
| Coordinates | 34.55778, -109.29611 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 75 ft |
| Dam Height | 53 ft |
| Dam Length | 3,300 ft |
| Year Completed | 1978 (48 years old) |
Storage & Hydraulics
| NID Storage | 7,080 acre-ft |
| Max Storage | 7,080 acre-ft |
| Normal Storage | 4,650 acre-ft |
| Surface Area | 330 acres |
| Drainage Area | 2 sq mi |
| Max Discharge | 450 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Other |
| Owner | SALT RIVER PROJECT |
| Owner Type | Public Utility |
| Hazard Classification | Significant |
| Condition Assessment | Satisfactory |
| Last Inspection | 07/13/2023 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | AZ00155 |
| Federal ID | AZ00155 |
| More Info | State Dam Safety Program |