Larson No. 1
Low Hazard ConditionEmergency Action Plan: Not Required
Location
| State | South Dakota |
| County | Mellette |
| Nearest City | NONE |
| River/Stream | TRIB.-ROUND UP CREEK |
| Coordinates | 43.76499, -100.92499 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 29 ft |
| Dam Height | 29 ft |
| Dam Length | 240 ft |
| Year Completed | 1964 (62 years old) |
Storage & Hydraulics
| NID Storage | 16 acre-ft |
| Max Storage | 16 acre-ft |
| Normal Storage | 10 acre-ft |
| Max Discharge | 157 cfs |
Ownership & Safety
| Purpose | Fire Protection, Stock, Or Small Fish Pond |
| Owner | ERNIE LARSON |
| Owner Type | Private |
| Hazard Classification | Low |
| Emergency Action Plan | Not Required |