Windsor Lake Dam
Windsor Lake Dam is an earth dam located in Jefferson County, Missouri, built in 1920. It carries a Low hazard potential classification.
About Windsor Lake Dam
The primary purpose of Windsor Lake Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Windsor Lak Rod+gun Club (private). It impounds the Tr To Joachim Creek near Herculaneum.
The dam stands 25 feet tall, creates a reservoir covering 3 acres, has a maximum storage capacity of 40 acre-feet, and collects water from a drainage area of 80 square miles. Completed in 1920, the structure is over a century 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.
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Location
| State | Missouri |
| County | Jefferson |
| Nearest City | Herculaneum |
| River/Stream | Tr To Joachim Creek |
| Coordinates | 38.25864, -90.44657 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 25 ft |
| Dam Height | 25 ft |
| Year Completed | 1920 (106 years old) |
Storage & Hydraulics
| NID Storage | 40 acre-ft |
| Max Storage | 40 acre-ft |
| Normal Storage | 22 acre-ft |
| Surface Area | 3 acres |
| Drainage Area | 80 sq mi |
Ownership & Safety
| Purpose | Recreation |
| Owner | WINDSOR LAK ROD+GUN CLUB |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not Rated |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | MO30396 |
| Federal ID | MO30396 |
| More Info | State Dam Safety Program |