Oil Well Dam No. 2 is an earth dam located in Fall River County, South Dakota, built in 1949. It carries a Low hazard potential classification.
Dam profile
NID height · 15 ft15 ft tall and 1,000 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 Oil Well Dam No. 2
The primary purpose of Oil Well Dam No. 2 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 Wesley Tlustos Jr (private). It impounds the Medicine Creek.
The dam stands 15 feet tall and stretches 1,000 feet across, and has a maximum storage capacity of 360 acre-feet. Completed in 1949, 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.
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Location
| State | South Dakota |
| County | Fall River |
| Nearest City | None |
| River/Stream | Medicine Creek |
| Coordinates | 43.03400, -103.45362 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 15 ft |
| Dam Height | 15 ft |
| Dam Length | 1,000 ft |
| Year Completed | 1949 (77 years old) |
Storage & Hydraulics
| NID Storage | 360 acre-ft |
| Max Storage | 360 acre-ft |
| Normal Storage | 70 acre-ft |
| Max Discharge | 3,900 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Fire Protection, Stock, Or Small Fish Pond |
| Owner | Wesley Tlustos Jr |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | SD00643 |
| Federal ID | SD00643 |
| More Info | State Dam Safety Program |