Miller Falls Canyon is an earth dam located in Fall River County, South Dakota, built in 1958. It carries a Low hazard potential classification.
Dam profile
NID height · 28 ft28 ft tall and 186 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 Miller Falls Canyon
The primary purpose of Miller Falls Canyon is fish and wildlife pond. The dam creates habitat for fish and wildlife, supporting local ecosystems and potentially serving conservation goals. The dam is owned by Usda Fs (federal). It impounds the Falls Canyon.
The dam stands 28 feet tall and stretches 186 feet across, and has a maximum storage capacity of 32 acre-feet. Completed in 1958, 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 |
| River/Stream | Falls Canyon |
| Coordinates | 43.38333, -103.63332 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 28 ft |
| Dam Height | 28 ft |
| Dam Length | 186 ft |
| Year Completed | 1958 (68 years old) |
Storage & Hydraulics
| NID Storage | 32 acre-ft |
| Max Storage | 32 acre-ft |
| Normal Storage | 32 acre-ft |
| Max Discharge | 1,620 cfs |
Ownership & Safety
| Purpose | Fish and Wildlife Pond |
| Owner | Usda Fs |
| Owner Type | Federal |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | SD01135 |
| Federal ID | SD01135 |
| More Info | State Dam Safety Program |