Lawrence Donelan
Lawrence Donelan is an earth dam located in Stanley County, South Dakota, built in 1958. It carries a Low hazard potential classification.
About Lawrence Donelan
The primary purpose of Lawrence Donelan 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 Harvey Sheehan (private). It impounds the Trib. Missouri River.
The dam stands 39 feet tall and stretches 320 feet across, and has a maximum storage capacity of 49 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.
At 39 feet, this dam is taller than 86% of dams nationwide.
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Location
| State | South Dakota |
| County | Stanley |
| Nearest City | None |
| River/Stream | Trib. Missouri River |
| Coordinates | 44.62333, -100.73666 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 39 ft |
| Dam Height | 39 ft |
| Dam Length | 320 ft |
| Year Completed | 1958 (68 years old) |
Storage & Hydraulics
| NID Storage | 49 acre-ft |
| Max Storage | 49 acre-ft |
| Normal Storage | 25 acre-ft |
| Max Discharge | 2,100 cfs |
Ownership & Safety
| Purpose | Fire Protection, Stock, Or Small Fish Pond |
| Owner | HARVEY SHEEHAN |
| Owner Type | Private |
| Hazard Classification | Low |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | SD01591 |
| Federal ID | SD01591 |
| More Info | State Dam Safety Program |