One Horse Gap
Significant HazardFair ConditionEmergency Action Plan: Not Required
Location
| State | Illinois |
| County | Pope |
| Nearest City | NONE |
| River/Stream | TR-GRAND PIERRE |
| Coordinates | 37.51757, -88.44607 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 36 ft |
| Dam Height | 30 ft |
| Dam Length | 443 ft |
| Year Completed | 1973 (53 years old) |
Storage & Hydraulics
| NID Storage | 304 acre-ft |
| Max Storage | 304 acre-ft |
| Normal Storage | 193 acre-ft |
| Surface Area | 29 acres |
| Max Discharge | 262 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Recreation |
| Owner | USDA FS |
| Owner Type | Federal |
| Hazard Classification | Significant |
| Condition Assessment | Fair |
| Last Inspection | 08/01/2019 |
| Emergency Action Plan | Not Required |