School Land is an earth dam located in Dewey County, South Dakota, built in 1938. It carries a Low hazard potential classification.
Dam profile
NID height · 15 ft15 ft tall and 500 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 School Land
The primary purpose of School Land 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 private-owned. It impounds the Tr Moreau.
The dam stands 15 feet tall and stretches 500 feet across, and has a maximum storage capacity of 77 acre-feet. Completed in 1938, 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 05/16/1994. That was over 32 years ago.
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Location
| State | South Dakota |
| County | Dewey |
| Nearest City | None |
| River/Stream | Tr Moreau |
| Coordinates | 45.39639, -101.35695 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 15 ft |
| Dam Height | 15 ft |
| Dam Length | 500 ft |
| Year Completed | 1938 (88 years old) |
Storage & Hydraulics
| NID Storage | 77 acre-ft |
| Max Storage | 77 acre-ft |
| Normal Storage | 35 acre-ft |
| Max Discharge | 1,080 cfs |
Ownership & Safety
| Purpose | Fire Protection, Stock, Or Small Fish Pond |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Last Inspection | 05/16/1994 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | SD01688 |
| Federal ID | SD01688 |
| More Info | State Dam Safety Program |