Hadley Creek Ws Str 9-1 is an earth dam located in Adams County, Illinois, built in 1958. It carries a Low hazard potential classification.
Dam profile
NID height · 26 ft26 ft tall and 393 ft long, taller than 55% 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 Hadley Creek Ws Str 9-1
The primary purpose of Hadley Creek Ws Str 9-1 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 Webster Sykes;webster Sykes (private). It impounds the Tr- Hadley Creek Ne near Kinderhook.
The dam stands 26 feet tall and stretches 393 feet across, creates a reservoir covering 3 acres, has a maximum storage capacity of 30 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1958, 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 05/05/2023.
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Location
| State | Illinois |
| County | Adams |
| Nearest City | Kinderhook |
| River/Stream | Tr- Hadley Creek Ne |
| Coordinates | 39.76990, -90.95698 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 26 ft |
| Dam Height | 26 ft |
| Dam Length | 393 ft |
| Year Completed | 1958 (68 years old) |
Storage & Hydraulics
| NID Storage | 30 acre-ft |
| Max Storage | 30 acre-ft |
| Normal Storage | 18 acre-ft |
| Surface Area | 3 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 153 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Flood Risk Reduction |
| Owner | Webster Sykes;webster Sykes |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Last Inspection | 05/05/2023 |
| Emergency Action Plan | No |
Identifiers
| NID ID | IL40002 |
| Federal ID | IL40002 |
| More Info | State Dam Safety Program |