Altoona
High HazardSatisfactory ConditionEmergency Action Plan: Yes
Location
| State | Wisconsin |
| County | Eau Claire |
| Nearest City | EAU CLAIRE |
| River/Stream | Eau Claire River |
| Coordinates | 44.81938, -91.44392 |
Physical Characteristics
| Dam Type | Buttress |
| NID Height | 44 ft |
| Dam Height | 44 ft |
| Dam Length | 240 ft |
| Year Completed | 1938 (88 years old) |
Storage & Hydraulics
| NID Storage | 14,000 acre-ft |
| Max Storage | 14,000 acre-ft |
| Normal Storage | 8,200 acre-ft |
| Surface Area | 720 acres |
| Drainage Area | 883 sq mi |
| Max Discharge | 29,000 cfs |
| Spillway Type | Controlled |
Ownership & Safety
| Purpose | Recreation |
| Owner | Eau Claire County |
| Owner Type | Local Government |
| Hazard Classification | High |
| Condition Assessment | Satisfactory |
| Last Inspection | 09/16/2020 |
| Emergency Action Plan | Yes |