Tedrick Lake Dam is an earth dam located in Jefferson County, Illinois, built in 1999. It carries a Low hazard potential classification.
Dam profile
NID height · 29 ft29 ft tall and 400 ft long, taller than 65% 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 Tedrick Lake Dam
The primary purpose of Tedrick Lake Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Roger Tedrick (private). It impounds the Trib Dodds Creek.
The dam stands 29 feet tall and stretches 400 feet across, creates a reservoir covering 23 acres, has a maximum storage capacity of 320 acre-feet, and collects water from a drainage area of 1 square miles. Completed in 1999, the structure is 27 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 04/26/2022.
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Location
| State | Illinois |
| County | Jefferson |
| River/Stream | Trib Dodds Creek |
| Coordinates | 38.25371, -88.83611 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 29 ft |
| Dam Height | 29 ft |
| Dam Length | 400 ft |
| Year Completed | 1999 (27 years old) |
Storage & Hydraulics
| NID Storage | 320 acre-ft |
| Max Storage | 320 acre-ft |
| Normal Storage | 201 acre-ft |
| Surface Area | 23 acres |
| Drainage Area | 1 sq mi |
| Max Discharge | 640 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Recreation |
| Owner | Roger Tedrick |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Last Inspection | 04/26/2022 |
| Emergency Action Plan | No |
Identifiers
| NID ID | IL50410 |
| Federal ID | IL50410 |
| More Info | State Dam Safety Program |