Chautauqua Lake Dam
High HazardNot Available ConditionEmergency Action Plan: Yes
Location
| State | Illinois |
| County | Jackson |
| Nearest City | MURPHYSBORO |
| River/Stream | TRIB MUD CREEK |
| Coordinates | 37.72702, -89.30228 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 35 ft |
| Dam Height | 35 ft |
| Dam Length | 560 ft |
| Year Completed | 1965 (61 years old) |
Storage & Hydraulics
| NID Storage | 805 acre-ft |
| Max Storage | 805 acre-ft |
| Normal Storage | 360 acre-ft |
| Surface Area | 138 acres |
| Drainage Area | 1 sq mi |
| Max Discharge | 911 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Recreation |
| Owner | CHAUTAUQUA LAKE PROPERTY OWNERS ASSOC. |
| Owner Type | Private |
| Hazard Classification | High |
| Condition Assessment | Not Available |
| Last Inspection | 10/08/2025 |
| Emergency Action Plan | Yes |