Shadow Valley Lake Dam
Shadow Valley Lake Dam is an earth dam located in Callaway County, Missouri, built in 1960. It carries a Low hazard potential classification.
About Shadow Valley Lake Dam
The primary purpose of Shadow Valley Lake Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Shadow Valley Lake Club (private). It impounds the Tr-missouri River near Portland.
The dam stands 25 feet tall, creates a reservoir covering 10 acres, has a maximum storage capacity of 134 acre-feet, and collects water from a drainage area of 450 square miles. Completed in 1960, 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 | Callaway |
| Nearest City | Portland |
| River/Stream | Tr-missouri River |
| Coordinates | 38.59984, -92.03859 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 25 ft |
| Dam Height | 25 ft |
| Year Completed | 1960 (66 years old) |
Storage & Hydraulics
| NID Storage | 134 acre-ft |
| Max Storage | 134 acre-ft |
| Normal Storage | 83 acre-ft |
| Surface Area | 10 acres |
| Drainage Area | 450 sq mi |
Ownership & Safety
| Purpose | Recreation |
| Owner | SHADOW VALLEY LAKE CLUB |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not Rated |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | MO30918 |
| Federal ID | MO30918 |
| More Info | State Dam Safety Program |