Diermann Recreation Area Dam
Diermann Recreation Area Dam is an earth dam located in St. Charles County, Missouri, built in 1967. It carries a Low hazard potential classification.
About Diermann Recreation Area Dam
The primary purpose of Diermann Recreation Area Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Unknown (private). It impounds the Dardenne Creek Offstream near Cottleville.
The dam stands 10 feet tall, creates a reservoir covering 13 acres, has a maximum storage capacity of 70 acre-feet, and collects water from a drainage area of 45 square miles. Completed in 1967, 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 | St. Charles |
| Nearest City | Cottleville |
| River/Stream | Dardenne Creek Offstream |
| Coordinates | 38.73967, -90.67772 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 10 ft |
| Dam Height | 10 ft |
| Year Completed | 1967 (59 years old) |
Storage & Hydraulics
| NID Storage | 70 acre-ft |
| Max Storage | 70 acre-ft |
| Normal Storage | 44 acre-ft |
| Surface Area | 13 acres |
| Drainage Area | 45 sq mi |
Ownership & Safety
| Purpose | Recreation |
| Owner | UNKNOWN |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not Rated |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | MO10165 |
| Federal ID | MO10165 |
| More Info | State Dam Safety Program |