Main Pls
Main Pls is an earth dam located in Pinal County, Arizona, built in 2008. It carries a Significant hazard potential classification and has a satisfactory condition assessment.
About Main Pls
Main Pls is a dam in Pinal, Arizona. The dam is owned by Carlota Copper Company (private). It impounds the Powers Gulch near No Data.
The dam stands 106 feet tall and stretches 800 feet across, creates a reservoir covering 170 acres, has a maximum storage capacity of 600 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 2008, the structure is relatively new.
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 04/23/2024.
At 106 feet, this dam is taller than 98% of all dams in the United States.
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Location
| State | Arizona |
| County | Pinal |
| Nearest City | No Data |
| River/Stream | Powers Gulch |
| Coordinates | 33.38056, -110.99861 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 106 ft |
| Dam Height | 106 ft |
| Dam Length | 800 ft |
| Year Completed | 2008 (18 years old) |
Storage & Hydraulics
| NID Storage | 600 acre-ft |
| Max Storage | 600 acre-ft |
| Normal Storage | 499 acre-ft |
| Surface Area | 170 acres |
| Drainage Area | 0 sq mi |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Other |
| Owner | CARLOTA COPPER COMPANY |
| Owner Type | Private |
| Hazard Classification | Significant |
| Condition Assessment | Satisfactory |
| Last Inspection | 04/23/2024 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | AZ00233 |
| Federal ID | AZ00233 |
| More Info | State Dam Safety Program |