Gridley Dam
Low HazardNot Available ConditionEmergency Action Plan: Yes
Location
| State | Illinois |
| County | Cass |
| Nearest City | CHANDLERVILLE |
| River/Stream | TRIB PANTHER CREEK |
| Coordinates | 39.95531, -90.07421 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 51 ft |
| Dam Height | 51 ft |
| Dam Length | 414 ft |
| Year Completed | 1998 (28 years old) |
Storage & Hydraulics
| NID Storage | 475 acre-ft |
| Max Storage | 475 acre-ft |
| Normal Storage | 277 acre-ft |
| Surface Area | 24 acres |
| Drainage Area | 0 sq mi |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Recreation |
| Owner | ILLINOIS DEPARTMENT OF NATURAL RESOURCES |
| Owner Type | State |
| Hazard Classification | Low |
| Condition Assessment | Not Available |
| Last Inspection | 04/18/2024 |
| Emergency Action Plan | Yes |