Rieffer Lake Dam is an earth dam located in Washington County, Missouri, built in 1957. It carries a Low hazard potential classification.
Dam profile
NID height · 23 ft23 ft tall. Height is drawn to scale against a two-story house, about 25 ft; the profile is a generic embankment section and the water level is illustrative.
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.
Search for dams near your address to see all dams in your area with hazard classifications and safety data.
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 assessed |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | MO30485 |
| Federal ID | MO30485 |
| More Info | State Dam Safety Program |