Mcilravy Dam
Mcilravy Dam is an earth dam located in Haakon County, South Dakota, built in 1962. It carries a Low hazard potential classification.
About Mcilravy Dam
The primary purpose of Mcilravy Dam 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 Arthur Mcilravy (private). It impounds the Medicine Creek-tr.
The dam stands 20 feet tall and stretches 520 feet across, and has a maximum storage capacity of 144 acre-feet. Completed in 1962, 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 | Haakon |
| River/Stream | Medicine Creek-tr |
| Coordinates | 44.23199, -101.65841 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 20 ft |
| Dam Height | 20 ft |
| Dam Length | 520 ft |
| Year Completed | 1962 (64 years old) |
Storage & Hydraulics
| NID Storage | 144 acre-ft |
| Max Storage | 144 acre-ft |
| Normal Storage | 72 acre-ft |
| Max Discharge | 600 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Fire Protection, Stock, Or Small Fish Pond |
| Owner | ARTHUR MCILRAVY |
| Owner Type | Private |
| Hazard Classification | Low |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | SD00850 |
| Federal ID | SD00850 |
| More Info | State Dam Safety Program |