Hidden Springs Cell 3a is a dam located in Ada County, Idaho, built in 2007. It carries a Significant hazard potential classification and has a satisfactory condition assessment.
Dam profile
NID height · 43 ft43 ft tall, taller than 89% of U.S. dams with a recorded height. Height is drawn to scale against a two-story house, about 25 ft; the profile is a generic embankment section and the water level is illustrative.
About Hidden Springs Cell 3a
Hidden Springs Cell 3a is a dam in Ada, Idaho. The dam is private-owned. It impounds the Unnamed Stream Dry Creek near Boise Subdivision.
The dam stands 43 feet tall, creates a reservoir covering 3 acres, has a storage capacity of 81 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 2007, 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 11/02/2018.
At 43 feet, this dam is taller than 89% of dams nationwide.
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Location
| State | Idaho |
| County | Ada |
| Nearest City | Boise Subdivision |
| River/Stream | Unnamed Stream Dry Creek |
| Coordinates | 43.71360, -116.26090 |
Physical Characteristics
| NID Height | 43 ft |
| Dam Height | 43 ft |
| Year Completed | 2007 (19 years old) |
Storage & Hydraulics
| NID Storage | 81 acre-ft |
| Normal Storage | 81 acre-ft |
| Surface Area | 3 acres |
| Drainage Area | 0 sq mi |
| Spillway Type | None |
Ownership & Safety
| Purpose | Other |
| Owner Type | Private |
| Hazard Classification | Significant |
| Condition Assessment | Satisfactory |
| Last Inspection | 11/02/2018 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | ID00695 |
| Federal ID | ID00695 |
| More Info | State Dam Safety Program |