Lake Chautauqua Upper Dam
Low HazardPoor ConditionEmergency Action Plan: Not Required
Location
| State | Illinois |
| County | Mason |
| River/Stream | See Note |
| Coordinates | 40.38750, -89.95833 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 21 ft |
| Dam Height | 17 ft |
| Dam Length | 15,424 ft |
| Year Completed | 1916 (110 years old) |
Storage & Hydraulics
| NID Storage | 17,280 acre-ft |
| Max Storage | 17,280 acre-ft |
| Normal Storage | 4,200 acre-ft |
| Surface Area | 1,200 acres |
| Drainage Area | 2 sq mi |
| Max Discharge | 5,327 cfs |
| Spillway Type | Controlled |
Ownership & Safety
| Purpose | Fish and Wildlife Pond |
| Owner | US FISH AND WILDLIFE SERVICE |
| Owner Type | Federal |
| Hazard Classification | Low |
| Condition Assessment | Poor |
| Last Inspection | 09/09/2019 |
| Emergency Action Plan | Not Required |