Otto Ericson Dam No. 1 is an earth dam located in Butte County, South Dakota, built in 1948. It carries a Low hazard potential classification.
Dam profile
NID height · 10 ft10 ft tall and 750 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 Otto Ericson Dam No. 1
The primary purpose of Otto Ericson Dam No. 1 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 Daniel & Cynthia Conner (private). It impounds the Antelope Creek-tr.
The dam stands 10 feet tall and stretches 750 feet across, and has a maximum storage capacity of 85 acre-feet. Completed in 1948, the structure is well-established, with more than 75 years of service.
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.
Search for dams near your address to see all dams in your area with hazard classifications and safety data.
Location
| State | South Dakota |
| County | Butte |
| Nearest City | None |
| River/Stream | Antelope Creek-tr |
| Coordinates | 45.02166, -103.72332 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 10 ft |
| Dam Height | 10 ft |
| Dam Length | 750 ft |
| Year Completed | 1948 (78 years old) |
Storage & Hydraulics
| NID Storage | 85 acre-ft |
| Max Storage | 85 acre-ft |
| Normal Storage | 40 acre-ft |
| Max Discharge | 800 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Fire Protection, Stock, Or Small Fish Pond |
| Owner | Daniel & Cynthia Conner |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | SD00673 |
| Federal ID | SD00673 |
| More Info | State Dam Safety Program |