Upper Green Lake
High HazardFair ConditionEmergency Action Plan: Yes
Location
| State | Wisconsin |
| County | Green Lake |
| Nearest City | GREEN LAKE |
| River/Stream | PUCHYAN |
| Coordinates | 43.84659, -88.96027 |
Physical Characteristics
| Dam Type | Gravity |
| NID Height | 8 ft |
| Dam Height | 8 ft |
| Dam Length | 200 ft |
| Year Completed | 1869 (157 years old) |
Storage & Hydraulics
| NID Storage | 40,000 acre-ft |
| Max Storage | 40,000 acre-ft |
| Normal Storage | 30,000 acre-ft |
| Surface Area | 7,346 acres |
| Drainage Area | 115 sq mi |
| Max Discharge | 414 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Recreation |
| Owner | City Of Green Lake |
| Owner Type | Local Government |
| Hazard Classification | High |
| Condition Assessment | Fair |
| Last Inspection | 10/05/2021 |
| Emergency Action Plan | Yes |