Pounds Hollow is an earth dam located in Gallatin County, Illinois, built in 1939. It carries a Significant hazard potential classification and has a fair condition assessment.
Dam profile
NID height · 43 ft43 ft tall and 478 ft long, taller than 89% 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 Pounds Hollow
The primary purpose of Pounds Hollow is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Usda Fs (federal). It impounds the Robinette.
The dam stands 43 feet tall and stretches 478 feet across, creates a reservoir covering 28 acres, has a maximum storage capacity of 900 acre-feet, and collects water from a drainage area of 2 square miles. Completed in 1939, the structure is well-established, with more than 75 years of service.
This dam has a significant hazard potential classification, meaning that a failure could cause significant economic damage — flooding roads, bridges, or property downstream — but is not expected to result in loss of life. Its condition is rated fair — the dam has minor deficiencies that are being addressed or do not pose an immediate safety threat. The most recent inspection on record was 09/24/2019.
At 43 feet, this dam is taller than 89% of dams nationwide.
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Location
| State | Illinois |
| County | Gallatin |
| Nearest City | None |
| River/Stream | Robinette |
| Coordinates | 37.62145, -88.27088 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 43 ft |
| Dam Height | 33 ft |
| Dam Length | 478 ft |
| Year Completed | 1939 (87 years old) |
Storage & Hydraulics
| NID Storage | 900 acre-ft |
| Max Storage | 900 acre-ft |
| Normal Storage | 717 acre-ft |
| Surface Area | 28 acres |
| Drainage Area | 2 sq mi |
| Max Discharge | 1,600 cfs |
| Spillway Type | Controlled |
Ownership & Safety
| Purpose | Recreation |
| Owner | Usda Fs |
| Owner Type | Federal |
| Hazard Classification | Significant |
| Condition Assessment | Fair |
| Last Inspection | 09/24/2019 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | IL00101 |
| Federal ID | IL00101 |
| More Info | State Dam Safety Program |