Barths Lake Dam is an earth dam located in Macoupin County, Illinois, built in 1950. It carries a Low hazard potential classification.
Dam profile
NID height · 29 ft29 ft tall and 320 ft long, taller than 65% 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 Barths Lake Dam
The primary purpose of Barths Lake Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Arno Barth (private). It impounds the Trib Paddock Creek near Edwardsville.
The dam stands 29 feet tall and stretches 320 feet across, and has a maximum storage capacity of 91 acre-feet. Completed in 1950, the structure is well-established, with more than 75 years of service.
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 08/02/2024.
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Location
| State | Illinois |
| County | Macoupin |
| Nearest City | Edwardsville |
| River/Stream | Trib Paddock Creek |
| Coordinates | 39.02488, -89.94422 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 29 ft |
| Dam Height | 29 ft |
| Dam Length | 320 ft |
| Year Completed | 1950 (76 years old) |
Storage & Hydraulics
| NID Storage | 91 acre-ft |
| Max Storage | 91 acre-ft |
| Normal Storage | 59 acre-ft |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Recreation |
| Owner | Arno Barth |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Last Inspection | 08/02/2024 |
| Emergency Action Plan | No |
Identifiers
| NID ID | IL01017 |
| Federal ID | IL01017 |
| More Info | State Dam Safety Program |