Woodcliff Lake Dam
Woodcliff Lake Dam is an earth dam located in Jefferson County, Missouri, built in 1965. It carries a Low hazard potential classification.
About Woodcliff Lake Dam
The primary purpose of Woodcliff Lake Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Woodcliff Ltd (private). It impounds the Tr To Big River near Times Beach.
The dam stands 25 feet tall, creates a reservoir covering 6 acres, has a maximum storage capacity of 80 acre-feet, and collects water from a drainage area of 150 square miles. Completed in 1965, 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.
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Location
| State | Missouri |
| County | Jefferson |
| Nearest City | Times Beach |
| River/Stream | Tr To Big River |
| Coordinates | 38.40785, -90.64325 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 25 ft |
| Dam Height | 25 ft |
| Year Completed | 1965 (61 years old) |
Storage & Hydraulics
| NID Storage | 80 acre-ft |
| Max Storage | 80 acre-ft |
| Normal Storage | 38 acre-ft |
| Surface Area | 6 acres |
| Drainage Area | 150 sq mi |
Ownership & Safety
| Purpose | Recreation |
| Owner | WOODCLIFF LTD |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not Rated |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | MO30466 |
| Federal ID | MO30466 |
| More Info | State Dam Safety Program |