Rieffer Lake Dam
Rieffer Lake Dam is an earth dam located in Washington County, Missouri, built in 1957. It carries a Low hazard potential classification.
About Rieffer Lake Dam
The primary purpose of Rieffer Lake Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by A M Rieffer + Son (private). It impounds the Tr-goose Creek near Irondale.
The dam stands 23 feet tall, creates a reservoir covering 7 acres, has a maximum storage capacity of 86 acre-feet, and collects water from a drainage area of 250 square miles. Completed in 1957, 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 | Washington |
| Nearest City | Irondale |
| River/Stream | Tr-goose Creek |
| Coordinates | 37.77704, -90.76636 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 23 ft |
| Dam Height | 23 ft |
| Year Completed | 1957 (69 years old) |
Storage & Hydraulics
| NID Storage | 86 acre-ft |
| Max Storage | 86 acre-ft |
| Normal Storage | 44 acre-ft |
| Surface Area | 7 acres |
| Drainage Area | 250 sq mi |
Ownership & Safety
| Purpose | Recreation |
| Owner | A M RIEFFER + SON |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not Rated |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | MO30485 |
| Federal ID | MO30485 |
| More Info | State Dam Safety Program |