Harrell Lake South Dam is an earth dam located in Adams County, Illinois, built in 1965. It carries a Low hazard potential classification.
Dam profile
NID height · 24 ft24 ft tall and 500 ft long. 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 Harrell Lake South Dam
The primary purpose of Harrell Lake South Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Lawrence Harrell (private). It impounds the Trib Figley Branch,mckee Creek near Columbus-offstream.
The dam stands 24 feet tall and stretches 500 feet across, and has a maximum storage capacity of 275 acre-feet. Completed in 1965, 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 03/29/2024.
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Location
| State | Illinois |
| County | Adams |
| Nearest City | Columbus-offstream |
| River/Stream | Trib Figley Branch,mckee Creek |
| Coordinates | 39.98745, -91.06707 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 24 ft |
| Dam Height | 24 ft |
| Dam Length | 500 ft |
| Year Completed | 1965 (61 years old) |
Storage & Hydraulics
| NID Storage | 275 acre-ft |
| Max Storage | 275 acre-ft |
| Normal Storage | 154 acre-ft |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Recreation |
| Owner | Lawrence Harrell |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Last Inspection | 03/29/2024 |
| Emergency Action Plan | No |
Identifiers
| NID ID | IL01173 |
| Federal ID | IL01173 |
| More Info | State Dam Safety Program |