Tampier Lake Dam
Illinois — Cook County — TRIB LONG RUN CREEK
Location
| State | Illinois |
| County | Cook |
| River | TRIB LONG RUN CREEK |
| Coordinates | 41.64588, -87.90774 |
Physical Characteristics
| NID Height | 9 ft |
| Dam Height | 9 ft |
| Dam Length | 240 ft |
| NID Storage | 859 acre-ft |
| Max Storage | 859 acre-ft |
| Surface Area | — |
Safety Classification
| Hazard Potential | Significant |
| Condition Assessment | Not Available |
| EAP Status | No |
| Last Inspection | December 22, 2025 |
| Inspection Frequency | 3 |
Dam Information
| Year Completed | 1964 |
| Primary Purpose | Recreation |
| Dam Type | Gravity |
| Owner Type | Local Government |
| Owner | FOREST PRESERVE DISTRICT OF COOK COUNTY |
| Other Name | Tampier Lake |
Location Map
About This Dam Record
Dam safety data is maintained by the Army Corps of Engineers National Inventory of Dams (NID). High-hazard dams are those where failure could cause loss of life or major property damage downstream.