Dad Patterson
Dad Patterson is an earth dam located in Apache County, Arizona, built in 1944. It carries a Low hazard potential classification.
About Dad Patterson
The primary purpose of Dad Patterson is fish and wildlife pond. The dam creates habitat for fish and wildlife, supporting local ecosystems and potentially serving conservation goals. The dam is owned by Arizona State Land Department;jmp Ranches Inc. (private). It impounds the Mail Station Draw near Concho.
The dam stands 15 feet tall and stretches 870 feet across, creates a reservoir covering 40 acres, and has a storage capacity of 198 acre-feet. Completed in 1944, the structure is well-established, with more than 75 years of service.
This dam has a low hazard potential classification, meaning that failure would cause minimal damage, limited primarily to the dam owner's property, with no expected loss of life. The most recent inspection on record was 11/06/2009. That was over 16 years ago.
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Location
| State | Arizona |
| County | Apache |
| Nearest City | Concho |
| River/Stream | Mail Station Draw |
| Coordinates | 34.53750, -109.70417 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 15 ft |
| Dam Height | 15 ft |
| Dam Length | 870 ft |
| Year Completed | 1944 (82 years old) |
Storage & Hydraulics
| NID Storage | 198 acre-ft |
| Normal Storage | 198 acre-ft |
| Surface Area | 40 acres |
| Spillway Type | None |
Ownership & Safety
| Purpose | Fish and Wildlife Pond |
| Owner | ARIZONA STATE LAND DEPARTMENT;JMP RANCHES INC. |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not Rated |
| Last Inspection | 11/06/2009 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | AZ00253 |
| Federal ID | AZ00253 |
| More Info | State Dam Safety Program |