Tedrick Lake Dam

TRIB DODDS CREEK· Jefferson, Illinois· Built 1999· Earth· 29 ft tall
Low Hazard Recreation Private

Key Takeaway

Tedrick Lake Dam is classified as low hazard in Illinois. It was completed in 1999 and is 27 years old. Its primary use is recreation.

Physical Details

Dam Height 29 ft (taller than 58.2% in IL)
Dam Length400 ft
Dam TypeEarth
Max Storage320 acre-ft
Normal Storage201 acre-ft
Surface Area23 acres
Drainage Area1 sq mi
Max Discharge640 cfs
Year Completed1999 (27 years old)
NID IDIL50410

Safety Information

Low Hazard

No probable loss of human life and low economic/environmental losses expected.

Hazard potential describes downstream consequences of failure, not the dam's current condition. What does this mean?

Emergency Action Plan: No
Last Inspection: July 12, 2017
State Regulated: Yes
Regulatory Agency: IDNR

Ownership

ROGER TEDRICK

Private

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Tedrick Lake Dam?

Tedrick Lake Dam is classified as Low Hazard. No probable loss of human life and low economic/environmental losses expected. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.

Who owns and operates Tedrick Lake Dam?

Tedrick Lake Dam is owned by ROGER TEDRICK (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Tedrick Lake Dam built?

Tedrick Lake Dam was completed in 1999, making it 27 years old. Many U.S. dams were built between the 1930s and 1970s during a period of major infrastructure investment.

What is the primary purpose of Tedrick Lake Dam?

Tedrick Lake Dam serves the following purposes: Recreation. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.

How tall is Tedrick Lake Dam?

Tedrick Lake Dam has a dam height of 29 ft. Dam height is measured from the natural streambed at the downstream toe to the top of the dam, and may differ from the visible height.

When was Tedrick Lake Dam last inspected?

Tedrick Lake Dam was last inspected on July 12, 2017. Inspection dates indicate when a formal review occurred, not the results of that inspection.

Data from the National Inventory of Dams (NID) maintained by the US Army Corps of Engineers. Dam conditions may have changed since the last update. This site is not affiliated with USACE. Do not use for emergency planning — contact your local dam safety program.