Prairie Du Sac
High HazardFair ConditionEmergency Action Plan: Yes
Location
| State | Wisconsin |
| County | Sauk |
| Nearest City | Prairie Du Sac |
| River/Stream | Wisconsin River |
| Coordinates | 43.31010, -89.72530 |
Physical Characteristics
| Dam Type | Gravity |
| NID Height | 50 ft |
| Dam Height | 25 ft |
| Dam Length | 3,247 ft |
| Year Completed | 1914 (112 years old) |
Storage & Hydraulics
| NID Storage | 193,200 acre-ft |
| Max Storage | 193,200 acre-ft |
| Normal Storage | 119,950 acre-ft |
| Surface Area | 9,000 acres |
| Drainage Area | 9,180 sq mi |
| Max Discharge | 251,990 cfs |
| Spillway Type | Controlled |
Ownership & Safety
| Purpose | Hydroelectric |
| Owner | Wisconsin Power and Light Company |
| Owner Type | Public Utility |
| Hazard Classification | High |
| Condition Assessment | Fair |
| Last Inspection | 08/09/2022 |
| Emergency Action Plan | Yes |