Riedy Dam
Low Hazard ConditionEmergency Action Plan: Not Required
Location
| State | South Dakota |
| County | Perkins |
| Nearest City | NONE |
| River/Stream | E. THUNDER HAWK CREEK |
| Coordinates | 45.87166, -102.01332 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 22 ft |
| Dam Height | 22 ft |
| Dam Length | 350 ft |
| Year Completed | 1934 (92 years old) |
Storage & Hydraulics
| NID Storage | 150 acre-ft |
| Max Storage | 150 acre-ft |
| Normal Storage | 54 acre-ft |
| Surface Area | 13 acres |
| Drainage Area | 6 sq mi |
| Max Discharge | 2,180 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Recreation |
| Owner | FRANCIS CONNOLLY |
| Owner Type | Private |
| Hazard Classification | Low |
| Last Inspection | 12/06/1999 |
| Emergency Action Plan | Not Required |