Sandy Farms No. 1-a
Sandy Farms No. 1-a is an earth dam located in Clackamas County, Oregon, built in 1977. It carries a Significant hazard potential classification.
About Sandy Farms No. 1-a
The primary purpose of Sandy Farms No. 1-a is irrigation. The dam stores and diverts water for agricultural irrigation, supporting farming operations in the surrounding area. The dam is owned by Sandy Farms, C/o Bob Underwood (private). It impounds the Trib To Tickle Creek near Sandy.
The dam stands 33 feet tall and stretches 710 feet across, creates a reservoir covering 6 acres, has a maximum storage capacity of 49 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1977, the structure is 49 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. The most recent inspection on record was 07/13/2017.
At 33 feet, this dam is taller than 78% of dams nationwide.
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Location
| State | Oregon |
| County | Clackamas |
| Nearest City | Sandy |
| River/Stream | Trib To Tickle Creek |
| Coordinates | 45.38239, -122.31357 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 33 ft |
| Dam Height | 33 ft |
| Dam Length | 710 ft |
| Year Completed | 1977 (49 years old) |
Storage & Hydraulics
| NID Storage | 49 acre-ft |
| Max Storage | 49 acre-ft |
| Normal Storage | 49 acre-ft |
| Surface Area | 6 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 150 cfs |
Ownership & Safety
| Purpose | Irrigation |
| Owner | SANDY FARMS, C/O BOB UNDERWOOD |
| Owner Type | Private |
| Hazard Classification | Significant |
| Condition Assessment | Not Rated |
| Last Inspection | 07/13/2017 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | OR00709 |
| Federal ID | OR00709 |
| More Info | State Dam Safety Program |