Wilmarth
Low Hazard ConditionEmergency Action Plan: Not Required
Location
| State | South Dakota |
| County | Aurora |
| Nearest City | NONE |
| River/Stream | W FIRESTEEL CREEK |
| Coordinates | 43.86261, -98.57202 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 31 ft |
| Dam Height | 31 ft |
| Dam Length | 940 ft |
| Year Completed | 1937 (89 years old) |
Storage & Hydraulics
| NID Storage | 2,510 acre-ft |
| Max Storage | 2,510 acre-ft |
| Normal Storage | 1,155 acre-ft |
| Surface Area | 110 acres |
| Drainage Area | 56 sq mi |
| Max Discharge | 5,091 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Recreation |
| Owner | GF&P |
| Owner Type | State |
| Hazard Classification | Low |
| Last Inspection | 11/02/2022 |
| Emergency Action Plan | Not Required |