B. Silverman Dam is an earth dam located in Ziebach County, South Dakota, built in 1940. It carries a Low hazard potential classification.
Dam profile
NID height · 21 ft21 ft tall and 560 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 B. Silverman Dam
The primary purpose of B. Silverman 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 Arlie Davis (private). It impounds the Pretty Creek.
The dam stands 21 feet tall and stretches 560 feet across, creates a reservoir covering 26 acres, has a maximum storage capacity of 490 acre-feet, and collects water from a drainage area of 3 square miles. Completed in 1940, the structure is well-established, with more than 75 years of service.
This dam has a low hazard potential classification, meaning that failure would cause minimal damage, limited primarily to the dam owner's property, with no expected loss of life. The most recent inspection on record was 06/01/1986. That was over 40 years ago.
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Location
| State | South Dakota |
| County | Ziebach |
| Nearest City | None |
| River/Stream | Pretty Creek |
| Coordinates | 45.14999, -101.55166 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 21 ft |
| Dam Height | 21 ft |
| Dam Length | 560 ft |
| Year Completed | 1940 (86 years old) |
Storage & Hydraulics
| NID Storage | 490 acre-ft |
| Max Storage | 490 acre-ft |
| Normal Storage | 188 acre-ft |
| Surface Area | 26 acres |
| Drainage Area | 3 sq mi |
| Max Discharge | 1,642 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Fire Protection, Stock, Or Small Fish Pond |
| Owner | Arlie Davis |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Last Inspection | 06/01/1986 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | SD00581 |
| Federal ID | SD00581 |
| More Info | State Dam Safety Program |