Ortega Lake Retention
Key Takeaway
Ortega Lake Retention is classified as low hazard in Arizona. It was completed in 1987 and is 39 years old. Its primary use is flood risk reduction.
Physical Details
| Dam Height | 19 ft (taller than 28.3% in AZ) |
| Dam Length | 2,260 ft |
| Dam Type | Earth |
| Max Storage | 530 acre-ft |
| Normal Storage | 530 acre-ft |
| Surface Area | 94 acres |
| Drainage Area | 34 sq mi |
| Year Completed | 1987 (39 years old) |
| NID ID | AZ00190 |
Safety Information
No probable loss of human life and low economic/environmental losses expected.
Hazard potential describes downstream consequences of failure, not the dam's current condition. What does this mean?
Ownership
SILVER CREEK FLOOD PROTECTION DISTRICT
Local Government
Nearby Dams
Frequently Asked Questions
What is the hazard classification of Ortega Lake Retention?
Ortega Lake Retention is classified as Low Hazard. No probable loss of human life and low economic/environmental losses expected. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.
Who owns and operates Ortega Lake Retention?
Ortega Lake Retention is owned by SILVER CREEK FLOOD PROTECTION DISTRICT (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Ortega Lake Retention built?
Ortega Lake Retention was completed in 1987, making it 39 years old. Many U.S. dams were built between the 1930s and 1970s during a period of major infrastructure investment.
What is the primary purpose of Ortega Lake Retention?
Ortega Lake Retention serves the following purposes: Flood Risk Reduction. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Ortega Lake Retention?
Ortega Lake Retention has a dam height of 19 ft. Dam height is measured from the natural streambed at the downstream toe to the top of the dam, and may differ from the visible height.
When was Ortega Lake Retention last inspected?
Ortega Lake Retention was last inspected on April 23, 2020. Inspection dates indicate when a formal review occurred, not the results of that inspection.