Pine Lake Dam
Pine Lake Dam is an earth dam located in Pike County, Illinois, built in 1924. It carries a High hazard potential classification.
About Pine Lake Dam
The primary purpose of Pine Lake Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is local government-owned. It impounds the Trib Panther Creek, Bay Creek near Pittsfield.
The dam stands 25 feet tall and stretches 700 feet across, and has a maximum storage capacity of 327 acre-feet. Completed in 1924, the structure is over a century old.
This dam carries a high hazard potential classification, which means that a failure or uncontrolled release of water would likely cause loss of human life. This classification reflects the consequences of failure, not the likelihood — it indicates that people live or work in the area downstream. An emergency action plan is in place for this dam. The most recent inspection on record was 08/12/2025.
Living Downstream
If you live or work downstream of this dam, consider taking these steps: learn your local evacuation routes, check whether your county emergency management office has a dam failure inundation map, and sign up for local emergency alerts. The Illinois dam safety program can provide more specific information about emergency planning for this structure.
Search for dams near your address to see all dams in your area with hazard classifications and safety data.
Location
| State | Illinois |
| County | Pike |
| Nearest City | Pittsfield |
| River/Stream | Trib Panther Creek, Bay Creek |
| Coordinates | 39.62419, -90.81173 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 25 ft |
| Dam Height | 25 ft |
| Dam Length | 700 ft |
| Year Completed | 1924 (102 years old) |
Storage & Hydraulics
| NID Storage | 327 acre-ft |
| Max Storage | 327 acre-ft |
| Normal Storage | 249 acre-ft |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Recreation |
| Owner Type | Local Government |
| Hazard Classification | High |
| Condition Assessment | Not Available |
| Last Inspection | 08/12/2025 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | IL00739 |
| Federal ID | IL00739 |
| More Info | State Dam Safety Program |