Fly-in-acres
Fly-in-acres is an earth dam located in Calaveras County, California, built in 1953. It carries a Significant hazard potential classification and has a satisfactory condition assessment.
About Fly-in-acres
The primary purpose of Fly-in-acres is water supply. The dam stores water for municipal, industrial, or agricultural use, helping ensure a reliable supply for the surrounding area. The dam is owned by Blue Lakes Springs Homeowners Association (private). It impounds the Moran Creek.
The dam stands 41 feet tall and stretches 260 feet across, creates a reservoir covering 7 acres, has a maximum storage capacity of 58 acre-feet, and collects water from a drainage area of 2 square miles. Completed in 1953, 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 11/12/2024.
At 41 feet, this dam is taller than 88% of dams nationwide.
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Location
| State | California |
| County | Calaveras |
| River/Stream | Moran Creek |
| Coordinates | 38.24550, -120.33620 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 41 ft |
| Dam Height | 41 ft |
| Dam Length | 260 ft |
| Year Completed | 1953 (73 years old) |
Storage & Hydraulics
| NID Storage | 58 acre-ft |
| Max Storage | 58 acre-ft |
| Surface Area | 7 acres |
| Drainage Area | 2 sq mi |
Ownership & Safety
| Purpose | Water Supply |
| Owner | Blue Lakes Springs Homeowners Association |
| Owner Type | Private |
| Hazard Classification | Significant |
| Condition Assessment | Satisfactory |
| Last Inspection | 11/12/2024 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | CA00624 |
| Federal ID | CA00624 |
| More Info | State Dam Safety Program |