Latham Dam is an earth dam located in Harding County, South Dakota, built in 2017. It carries a Low hazard potential classification.
Dam profile
NID height · 20 ft20 ft tall and 1,085 ft long. 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 Latham Dam
The primary purpose of Latham 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 John Latham (private). It impounds the South Fork Moreau River-tr.
The dam stands 20 feet tall and stretches 1,085 feet across, and has a maximum storage capacity of 174 acre-feet. Completed in 2017, the structure is relatively new.
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 | Harding |
| River/Stream | South Fork Moreau River-tr |
| Coordinates | 45.24611, -103.81127 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 20 ft |
| Dam Height | 20 ft |
| Dam Length | 1,085 ft |
| Year Completed | 2017 (9 years old) |
Storage & Hydraulics
| NID Storage | 174 acre-ft |
| Max Storage | 174 acre-ft |
| Normal Storage | 56 acre-ft |
| Max Discharge | 1,350 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Fire Protection, Stock, Or Small Fish Pond |
| Owner | John Latham |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | SD02644 |
| Federal ID | SD02644 |
| More Info | State Dam Safety Program |