Nystrom Lake Dam
Low HazardNot Available ConditionEmergency Action Plan: No
Location
| State | Illinois |
| County | Henry |
| Nearest City | ANDOVER-OFFSTREM |
| River/Stream | TRIB SOUTH EDWARDS RIVER |
| Coordinates | 41.21833, -90.19365 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 28 ft |
| Dam Height | 28 ft |
| Dam Length | 176 ft |
| Year Completed | 1950 (76 years old) |
Storage & Hydraulics
| NID Storage | 58 acre-ft |
| Max Storage | 58 acre-ft |
| Normal Storage | 40 acre-ft |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Recreation |
| Owner | MERRILL NYSTROM |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not Available |
| Last Inspection | 05/06/2025 |
| Emergency Action Plan | No |