G & J Heck No.2
Low Hazard ConditionEmergency Action Plan: Not Required
Location
| State | South Dakota |
| County | Dewey |
| Nearest City | NONE |
| River/Stream | TR GRAND |
| Coordinates | 45.41333, -101.46332 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 25 ft |
| Dam Height | 25 ft |
| Dam Length | 400 ft |
| Year Completed | 1954 (72 years old) |
Storage & Hydraulics
| NID Storage | 75 acre-ft |
| Max Storage | 75 acre-ft |
| Normal Storage | 40 acre-ft |
| Max Discharge | 3,660 cfs |
Ownership & Safety
| Purpose | Fire Protection, Stock, Or Small Fish Pond |
| Owner | G & J HECK |
| Owner Type | Private |
| Hazard Classification | Low |
| Emergency Action Plan | Not Required |