Highland Sportsman Club Lake Dam is an earth dam located in Madison County, Illinois, built in 1952. It carries a Low hazard potential classification.
Dam profile
NID height · 34 ft34 ft tall and 302 ft long, taller than 78% of U.S. dams with a recorded height. Height is drawn to scale against a two-story house, about 25 ft; the profile is a generic embankment section and the water level is illustrative.
About Highland Sportsman Club Lake Dam
The primary purpose of Highland Sportsman 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 William F. Ambuehl (private). It impounds the East Fork Silver Creek-offstre near Mascoutah.
The dam stands 34 feet tall and stretches 302 feet across, and has a maximum storage capacity of 36 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 07/11/2025.
At 34 feet, this dam is taller than 78% of dams nationwide.
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Location
| State | Illinois |
| County | Madison |
| Nearest City | Mascoutah |
| River/Stream | East Fork Silver Creek-offstre |
| Coordinates | 38.75641, -89.70575 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 34 ft |
| Dam Height | 34 ft |
| Dam Length | 302 ft |
| Year Completed | 1952 (74 years old) |
Storage & Hydraulics
| NID Storage | 36 acre-ft |
| Max Storage | 36 acre-ft |
| Normal Storage | 36 acre-ft |
| Spillway Type | None |
Ownership & Safety
| Purpose | Recreation |
| Owner | William F. Ambuehl |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Last Inspection | 07/11/2025 |
| Emergency Action Plan | No |
Identifiers
| NID ID | IL00180 |
| Federal ID | IL00180 |
| More Info | State Dam Safety Program |