Bass Lake Dam
Bass Lake Dam is an earth dam located in Clark County, Illinois, built in 1952. It carries a Low hazard potential classification.
About Bass Lake Dam
The primary purpose of Bass Lake Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Forrest Duzan (private). It impounds the Trib East Fork Mill Creek near York.
The dam stands 33 feet tall and stretches 170 feet across, and has a maximum storage capacity of 50 acre-feet. Completed in 1952, the structure is well into its service life at over 50 years old.
This dam has a low hazard potential classification, meaning that failure would cause minimal damage, limited primarily to the dam owner's property, with no expected loss of life. The most recent inspection on record was 06/11/2025.
At 33 feet, this dam is taller than 78% of dams nationwide.
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Location
| State | Illinois |
| County | Clark |
| Nearest City | York |
| River/Stream | Trib East Fork Mill Creek |
| Coordinates | 39.37011, -87.75017 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 33 ft |
| Dam Height | 33 ft |
| Dam Length | 170 ft |
| Year Completed | 1952 (74 years old) |
Storage & Hydraulics
| NID Storage | 50 acre-ft |
| Max Storage | 50 acre-ft |
| Normal Storage | 42 acre-ft |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Recreation |
| Owner | FORREST DUZAN |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not Available |
| Last Inspection | 06/11/2025 |
| Emergency Action Plan | No |
Identifiers
| NID ID | IL00708 |
| Federal ID | IL00708 |
| More Info | State Dam Safety Program |