Triangle Lake Dam
Low HazardNot Available ConditionEmergency Action Plan: No
Location
| State | Illinois |
| County | Adams |
| Nearest City | QUINCY |
| River/Stream | FRAZIER CREEK |
| Coordinates | 39.97201, -91.43107 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 18 ft |
| Dam Height | 18 ft |
| Dam Length | 8,500 ft |
| Year Completed | 2000 (26 years old) |
Storage & Hydraulics
| NID Storage | 2,757 acre-ft |
| Max Storage | 2,757 acre-ft |
| Surface Area | 250 acres |
| Drainage Area | 17 sq mi |
| Spillway Type | Controlled |
Ownership & Safety
| Purpose | Fish and Wildlife Pond |
| Owner | ILLINOIS DEPARTMENT OF NATURAL RESOURCES |
| Owner Type | State |
| Hazard Classification | Low |
| Condition Assessment | Not Available |
| Last Inspection | 08/17/2021 |
| Emergency Action Plan | No |