Gahr Pond Dam 2
Gahr Pond Dam 2 is an earth dam located in Macoupin County, Illinois, built in 1975. It carries a Low hazard potential classification.
About Gahr Pond Dam 2
The primary purpose of Gahr Pond Dam 2 is irrigation. The dam stores and diverts water for agricultural irrigation, supporting farming operations in the surrounding area. The dam is owned by Oneia Gahr;oneia Gahr (private). It impounds the Tr- Macoupin Creek N near Jalapa.
The dam stands 36 feet tall and stretches 210 feet across, creates a reservoir covering 1 acres, has a maximum storage capacity of 18 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1975, 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 05/10/2024.
At 36 feet, this dam is taller than 83% of dams nationwide.
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Location
| State | Illinois |
| County | Macoupin |
| Nearest City | Jalapa |
| River/Stream | Tr- Macoupin Creek N |
| Coordinates | 39.22872, -89.99274 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 36 ft |
| Dam Height | 36 ft |
| Dam Length | 210 ft |
| Year Completed | 1975 (51 years old) |
Storage & Hydraulics
| NID Storage | 18 acre-ft |
| Max Storage | 18 acre-ft |
| Normal Storage | 12 acre-ft |
| Surface Area | 1 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 106 cfs |
Ownership & Safety
| Purpose | Irrigation |
| Owner | ONEIA GAHR;ONEIA GAHR |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not Available |
| Last Inspection | 05/10/2024 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | IL40060 |
| Federal ID | IL40060 |
| More Info | State Dam Safety Program |