Fishko Dam #2 is an earth dam located in Fall River County, South Dakota, built in 1968. It carries a Low hazard potential classification.
Dam profile
NID height · 28 ft28 ft tall and 780 ft long, taller than 62% 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 Fishko Dam #2
The primary purpose of Fishko Dam #2 is irrigation. The dam stores and diverts water for agricultural irrigation, supporting farming operations in the surrounding area. The dam is owned by Weinreis Brothers Land LLP (private). It impounds the Horse Creek.
The dam stands 28 feet tall and stretches 780 feet across, and has a maximum storage capacity of 67 acre-feet. Completed in 1968, the structure is well into its service life at over 50 years old.
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 | Horse Creek |
| Coordinates | 43.15034, -103.65355 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 28 ft |
| Dam Height | 28 ft |
| Dam Length | 780 ft |
| Year Completed | 1968 (58 years old) |
Storage & Hydraulics
| NID Storage | 67 acre-ft |
| Max Storage | 67 acre-ft |
| Normal Storage | 58 acre-ft |
| Max Discharge | 1,100 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Irrigation |
| Owner | Weinreis Brothers Land LLP |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | SD01048 |
| Federal ID | SD01048 |
| More Info | State Dam Safety Program |