Old Tom Creek Ws Str 25
Old Tom Creek Ws Str 25 is an earth dam located in Henderson County, Illinois, built in 1956. It carries a Low hazard potential classification.
About Old Tom Creek Ws Str 25
The primary purpose of Old Tom Creek Ws Str 25 is flood risk reduction. The dam is designed to control downstream flooding by temporarily storing excess water during storms and releasing it at a controlled rate. The dam is owned by Mary Gibson Est;mary Gibson Est (local government). It impounds the Tr- Henderson S; Tr- Miss near Biggsville.
The dam stands 25 feet tall and stretches 206 feet across, creates a reservoir covering 4 acres, has a maximum storage capacity of 50 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1956, 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 05/25/2024.
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Location
| State | Illinois |
| County | Henderson |
| Nearest City | Biggsville |
| River/Stream | Tr- Henderson S; Tr- Miss |
| Coordinates | 40.86884, -90.79121 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 25 ft |
| Dam Height | 25 ft |
| Dam Length | 206 ft |
| Year Completed | 1956 (70 years old) |
Storage & Hydraulics
| NID Storage | 50 acre-ft |
| Max Storage | 50 acre-ft |
| Normal Storage | 26 acre-ft |
| Surface Area | 4 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 214 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Flood Risk Reduction |
| Owner | MARY GIBSON EST;MARY GIBSON EST |
| Owner Type | Local Government |
| Hazard Classification | Low |
| Condition Assessment | Not Available |
| Last Inspection | 05/25/2024 |
| Emergency Action Plan | No |
Identifiers
| NID ID | IL40035 |
| Federal ID | IL40035 |
| More Info | State Dam Safety Program |