West Lake Country Club Lake Dam
West Lake Country Club Lake Dam is an earth dam located in Jersey County, Illinois, built in 1955. It carries a Low hazard potential classification.
About West Lake Country Club Lake Dam
The primary purpose of West Lake Country Club Lake Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by West Lake Country Club (private). It impounds the Trib De Arcy Branch near Jerseyville.
The dam stands 21 feet tall and stretches 1,136 feet across, and has a maximum storage capacity of 72 acre-feet. Completed in 1955, 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 08/22/2025.
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Location
| State | Illinois |
| County | Jersey |
| Nearest City | Jerseyville |
| River/Stream | Trib De Arcy Branch |
| Coordinates | 39.12711, -90.34143 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 21 ft |
| Dam Height | 21 ft |
| Dam Length | 1,136 ft |
| Year Completed | 1955 (71 years old) |
Storage & Hydraulics
| NID Storage | 72 acre-ft |
| Max Storage | 72 acre-ft |
| Normal Storage | 38 acre-ft |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Recreation |
| Owner | WEST LAKE COUNTRY CLUB |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not Available |
| Last Inspection | 08/22/2025 |
| Emergency Action Plan | No |
Identifiers
| NID ID | IL00672 |
| Federal ID | IL00672 |
| More Info | State Dam Safety Program |