Patterson Lake Dam
Significant HazardNot Available ConditionEmergency Action Plan: No
Location
| State | Illinois |
| County | Clay |
| Nearest City | LOUISVILLE |
| River/Stream | TRIB DISMAL CREEK |
| Coordinates | 38.87471, -88.67314 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 31 ft |
| Dam Height | 31 ft |
| Dam Length | 535 ft |
| Year Completed | 1926 (100 years old) |
Storage & Hydraulics
| NID Storage | 309 acre-ft |
| Max Storage | 309 acre-ft |
| Normal Storage | 270 acre-ft |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Recreation |
| Owner | L. P. FISHING CLUB |
| Owner Type | Private |
| Hazard Classification | Significant |
| Condition Assessment | Not Available |
| Last Inspection | 06/28/2023 |
| Emergency Action Plan | No |