Swayze Irr. Dam
Swayze Irr. Dam is an earth dam located in Roberts County, South Dakota, built in 1981. It carries a Low hazard potential classification.
About Swayze Irr. Dam
The primary purpose of Swayze Irr. Dam is irrigation. The dam stores and diverts water for agricultural irrigation, supporting farming operations in the surrounding area. The dam is owned by Swayse Bros. (private). It impounds the Dry Draw.
The dam stands 21 feet tall and stretches 865 feet across, and has a maximum storage capacity of 66 acre-feet. Completed in 1981, the structure is 45 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 | Roberts |
| Nearest City | None |
| River/Stream | Dry Draw |
| Coordinates | 45.44363, -97.00095 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 21 ft |
| Dam Height | 21 ft |
| Dam Length | 865 ft |
| Year Completed | 1981 (45 years old) |
Storage & Hydraulics
| NID Storage | 66 acre-ft |
| Max Storage | 66 acre-ft |
| Normal Storage | 47 acre-ft |
| Max Discharge | 630 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Irrigation |
| Owner | SWAYSE BROS. |
| Owner Type | Private |
| Hazard Classification | Low |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | SD02303 |
| Federal ID | SD02303 |
| More Info | State Dam Safety Program |