Deer Run Lake Dam is an earth dam located in Macoupin County, Illinois, built in 1971. It carries a Low hazard potential classification.
Dam profile
NID height · 32 ft32 ft tall and 265 ft long, taller than 74% 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 Deer Run Lake Dam
The primary purpose of Deer Run Lake Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Leonard Hamman (private). It impounds the Trib Honey Creek near Hardin.
The dam stands 32 feet tall and stretches 265 feet across, and has a maximum storage capacity of 485 acre-feet. Completed in 1971, 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 05/23/2024.
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Location
| State | Illinois |
| County | Macoupin |
| Nearest City | Hardin |
| River/Stream | Trib Honey Creek |
| Coordinates | 39.20328, -89.82041 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 32 ft |
| Dam Height | 32 ft |
| Dam Length | 265 ft |
| Year Completed | 1971 (55 years old) |
Storage & Hydraulics
| NID Storage | 485 acre-ft |
| Max Storage | 485 acre-ft |
| Normal Storage | 330 acre-ft |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Recreation |
| Owner | Leonard Hamman |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Last Inspection | 05/23/2024 |
| Emergency Action Plan | No |
Identifiers
| NID ID | IL01049 |
| Federal ID | IL01049 |
| More Info | State Dam Safety Program |