Gehrke Lake Dam
Gehrke Lake Dam is an earth dam located in Gasconade County, Missouri, built in 1969. It carries a Low hazard potential classification.
About Gehrke Lake Dam
The primary purpose of Gehrke Lake Dam is flood risk reduction. The dam is designed to control downstream flooding by temporarily storing excess water during storms and releasing it at a controlled rate. The dam is owned by Charles Gehrke (private). It impounds the Tr-horstman Creek near New Haven.
The dam stands 31 feet tall and stretches 490 feet across, creates a reservoir covering 6 acres, has a maximum storage capacity of 37 acre-feet, and collects water from a drainage area of 128 square miles. Completed in 1969, 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 | Gasconade |
| Nearest City | New Haven |
| River/Stream | Tr-horstman Creek |
| Coordinates | 38.66889, -91.41982 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 31 ft |
| Dam Height | 30 ft |
| Dam Length | 490 ft |
| Year Completed | 1969 (57 years old) |
Storage & Hydraulics
| NID Storage | 37 acre-ft |
| Max Storage | 37 acre-ft |
| Normal Storage | 27 acre-ft |
| Surface Area | 6 acres |
| Drainage Area | 128 sq mi |
| Max Discharge | 181 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Flood Risk Reduction |
| Owner | CHARLES GEHRKE |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not Rated |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | MO31354 |
| Federal ID | MO31354 |
| More Info | State Dam Safety Program |