Cholla Cooling Pond
Cholla Cooling Pond is an earth dam located in Navajo County, Arizona, built in 1961. It carries a Significant hazard potential classification and has a satisfactory condition assessment.
About Cholla Cooling Pond
Cholla Cooling Pond is a dam in Navajo, Arizona. The dam is owned by Arizona Public Service Company (public utility). It impounds the Little Colorado River-offstream - Tr near Joseph City.
The dam stands 13 feet tall and stretches 13,580 feet across, creates a reservoir covering 380 acres, and has a storage capacity of 2,200 acre-feet. Completed in 1961, 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 05/10/2023.
Search for dams near your address to see all dams in your area with hazard classifications and safety data.
Location
| State | Arizona |
| County | Navajo |
| Nearest City | Joseph City |
| River/Stream | Little Colorado River-offstream - Tr |
| Coordinates | 34.93000, -110.29028 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 13 ft |
| Dam Height | 13 ft |
| Dam Length | 13,580 ft |
| Year Completed | 1961 (65 years old) |
Storage & Hydraulics
| NID Storage | 2,200 acre-ft |
| Normal Storage | 2,200 acre-ft |
| Surface Area | 380 acres |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Other |
| Owner | ARIZONA PUBLIC SERVICE COMPANY |
| Owner Type | Public Utility |
| Hazard Classification | Significant |
| Condition Assessment | Satisfactory |
| Last Inspection | 05/10/2023 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | AZ00180 |
| Federal ID | AZ00180 |
| More Info | State Dam Safety Program |