Isabel
High HazardFair ConditionEmergency Action Plan: Yes
Location
| State | South Dakota |
| County | Dewey |
| Nearest City | NONE |
| River/Stream | TR. OF FIRESTEEL CREEK |
| Coordinates | 45.43806, -101.41050 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 30 ft |
| Dam Height | 30 ft |
| Dam Length | 1,200 ft |
| Year Completed | 1935 (91 years old) |
Storage & Hydraulics
| NID Storage | 2,432 acre-ft |
| Max Storage | 2,432 acre-ft |
| Normal Storage | 537 acre-ft |
| Surface Area | 115 acres |
| Drainage Area | 10 sq mi |
| Max Discharge | 11,621 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Recreation |
| Owner | GF&P |
| Owner Type | State |
| Hazard Classification | High |
| Condition Assessment | Fair |
| Last Inspection | 11/10/2021 |
| Emergency Action Plan | Yes |