Magin Lake Dam is an earth dam located in Madison County, Illinois, built in 1968. It carries a Low hazard potential classification.
Dam profile
NID height · 37 ft37 ft tall and 252 ft long, taller than 83% 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 Magin Lake Dam
The primary purpose of Magin 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 Wortman (private). It impounds the Trib Canteen Creek near Collinsville.
The dam stands 37 feet tall and stretches 252 feet across, and has a maximum storage capacity of 151 acre-feet. Completed in 1968, 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 04/12/2024.
At 37 feet, this dam is taller than 83% of dams nationwide.
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Location
| State | Illinois |
| County | Madison |
| Nearest City | Collinsville |
| River/Stream | Trib Canteen Creek |
| Coordinates | 38.66324, -89.94647 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 37 ft |
| Dam Height | 37 ft |
| Dam Length | 252 ft |
| Year Completed | 1968 (58 years old) |
Storage & Hydraulics
| NID Storage | 151 acre-ft |
| Max Storage | 151 acre-ft |
| Normal Storage | 144 acre-ft |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Recreation |
| Owner | William Wortman |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Last Inspection | 04/12/2024 |
| Emergency Action Plan | No |
Identifiers
| NID ID | IL00202 |
| Federal ID | IL00202 |
| More Info | State Dam Safety Program |