Yellow Head Marsh Dam
Low HazardNot Available ConditionEmergency Action Plan: No
Location
| State | Illinois |
| County | McHenry |
| Nearest City | FERNDALE |
| River/Stream | TRIB FOX RIVER |
| Coordinates | 42.31078, -88.23272 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 7 ft |
| Dam Height | 7 ft |
| Dam Length | 1,000 ft |
| Year Completed | 1990 (36 years old) |
Storage & Hydraulics
| NID Storage | 579 acre-ft |
| Max Storage | 579 acre-ft |
| Max Discharge | 400 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Other |
| Owner | ILLINOIS DEPARTMENT OF NATURAL RESOURCES |
| Owner Type | State |
| Hazard Classification | Low |
| Condition Assessment | Not Available |
| Last Inspection | 08/11/2025 |
| Emergency Action Plan | No |