Salt Lake Dam is an earth dam located in Harding County, South Dakota, built in 1954. It carries a Significant hazard potential classification.
Dam profile
NID height · 11 ft11 ft tall and 520 ft long. 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 Salt Lake Dam
The primary purpose of Salt Lake Dam is fire protection, stock, or small fish pond. The dam maintains a small impoundment used for fire suppression, livestock watering, or as a fish pond. The dam is owned by Robert Anderson (private). It impounds the S Fork Grand River-tr.
The dam stands 11 feet tall and stretches 520 feet across, creates a reservoir covering 14 acres, has a maximum storage capacity of 109 acre-feet, and collects water from a drainage area of 1 square miles. Completed in 1954, 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. The most recent inspection on record was 05/14/2009. That was over 17 years ago.
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Location
| State | South Dakota |
| County | Harding |
| Nearest City | None |
| River/Stream | S Fork Grand River-tr |
| Coordinates | 45.85093, -103.25795 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 11 ft |
| Dam Height | 11 ft |
| Dam Length | 520 ft |
| Year Completed | 1954 (72 years old) |
Storage & Hydraulics
| NID Storage | 109 acre-ft |
| Max Storage | 109 acre-ft |
| Normal Storage | 34 acre-ft |
| Surface Area | 14 acres |
| Drainage Area | 1 sq mi |
| Max Discharge | 1,649 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Fire Protection, Stock, Or Small Fish Pond |
| Owner | Robert Anderson |
| Owner Type | Private |
| Hazard Classification | Significant |
| Condition Assessment | Not assessed |
| Last Inspection | 05/14/2009 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | SD00609 |
| Federal ID | SD00609 |
| More Info | State Dam Safety Program |