Sunnyside
Key Takeaway
Sunnyside is classified as low hazard in Arizona. It was completed in 1912 and is 114 years old. Its primary use is fire protection.
Physical Details
| Dam Height | 13 ft (taller than 13.7% in AZ) |
| Dam Length | 266 ft |
| Dam Type | Earth |
| Max Storage | 72 acre-ft |
| Normal Storage | 72 acre-ft |
| Surface Area | 16 acres |
| Drainage Area | 6 sq mi |
| Year Completed | 1912 (114 years old) |
| NID ID | AZ00298 |
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
ARIZONA GAME & FISH DEPARTMENT
State Government
Nearby Dams
Sheep Springs #1
Apache, AZ
Low Hazard 30 ftNorton
Apache, AZ
Low Hazard 10 ftTyler Reservoir
Apache, AZ
Low Hazard 9 ftWhite Mountain
Apache, AZ
Low Hazard 16 ftSunrise
Apache, AZ
High HazardOwens Lake
Apache, AZ
Low Hazard 20 ftEllis Wiltbank
Apache, AZ
Low Hazard 12 ftBunch Reservoir
Apache, AZ
Low Hazard 22 ftFrequently Asked Questions
What is the hazard classification of Sunnyside?
Sunnyside 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 Sunnyside?
Sunnyside is owned by ARIZONA GAME & FISH DEPARTMENT (State Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Sunnyside built?
Sunnyside was completed in 1912, making it 114 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 Sunnyside?
Sunnyside serves the following purposes: Fire Protection, Stock, Or Small Fish Pond. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Sunnyside?
Sunnyside has a dam height of 13 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 Sunnyside last inspected?
Sunnyside was last inspected on May 14, 2020. Inspection dates indicate when a formal review occurred, not the results of that inspection.