Lake Hillcrest Dam
Significant HazardNot Available ConditionEmergency Action Plan: Yes
Location
| State | Illinois |
| County | Madison |
| Nearest City | GLEN CARBON-OFFSTREAM |
| River/Stream | TRIB CAHOKIA CREEK |
| Coordinates | 38.74938, -89.99365 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 40 ft |
| Dam Height | 40 ft |
| Dam Length | 425 ft |
| Year Completed | 1956 (70 years old) |
Storage & Hydraulics
| NID Storage | 355 acre-ft |
| Max Storage | 355 acre-ft |
| Normal Storage | 189 acre-ft |
| Surface Area | 14 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 346 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Recreation |
| Owner | LAKE HILLCREST CORPORATION |
| Owner Type | Private |
| Hazard Classification | Significant |
| Condition Assessment | Not Available |
| Last Inspection | 05/13/2022 |
| Emergency Action Plan | Yes |