Giberson Pond Dam
Giberson Pond Dam is an earth dam located in Greene County, Illinois, built in 1970. It carries a Low hazard potential classification.
About Giberson Pond Dam
Giberson Pond Dam is a dam in Greene, Illinois. The dam is owned by Carroll Giberson;carroll Giberson (private). It impounds the Tr- Macoupin Creek near Spanky.
The dam stands 29 feet tall and stretches 175 feet across, creates a reservoir covering 2 acres, has a maximum storage capacity of 35 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1970, 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 08/22/2025.
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Location
| State | Illinois |
| County | Greene |
| Nearest City | Spanky |
| River/Stream | Tr- Macoupin Creek |
| Coordinates | 39.24879, -90.46788 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 29 ft |
| Dam Height | 29 ft |
| Dam Length | 175 ft |
| Year Completed | 1970 (56 years old) |
Storage & Hydraulics
| NID Storage | 35 acre-ft |
| Max Storage | 35 acre-ft |
| Normal Storage | 27 acre-ft |
| Surface Area | 2 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 80 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Other |
| Owner | CARROLL GIBERSON;CARROLL GIBERSON |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not Available |
| Last Inspection | 08/22/2025 |
| Emergency Action Plan | No |
Identifiers
| NID ID | IL40025 |
| Federal ID | IL40025 |
| More Info | State Dam Safety Program |