Schnarre-ridder Lake Dam is an earth dam located in Audrain County, Missouri, built in 1976. It carries a Significant hazard potential classification.
Dam profile
NID height · 23 ft23 ft tall and 963 ft long. 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 Schnarre-ridder Lake Dam
The primary purpose of Schnarre-ridder Lake Dam is irrigation. The dam stores and diverts water for agricultural irrigation, supporting farming operations in the surrounding area. The dam is owned by Schnarre & Ridder (private). It impounds the Tr-youngs Creek near Louisiana.
The dam stands 23 feet tall and stretches 963 feet across, creates a reservoir covering 1 acres, has a maximum storage capacity of 126 acre-feet, and collects water from a drainage area of 51 square miles. Completed in 1976, the structure is 50 years old.
This dam has a significant hazard potential classification, meaning that a failure could cause significant economic damage — flooding roads, bridges, or property downstream — but is not expected to result in loss of life.
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Location
| State | Missouri |
| County | Audrain |
| Nearest City | Louisiana |
| River/Stream | Tr-youngs Creek |
| Coordinates | 39.20374, -92.10029 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 23 ft |
| Dam Height | 23 ft |
| Dam Length | 963 ft |
| Year Completed | 1976 (50 years old) |
Storage & Hydraulics
| NID Storage | 126 acre-ft |
| Max Storage | 126 acre-ft |
| Normal Storage | 86 acre-ft |
| Surface Area | 1 acres |
| Drainage Area | 51 sq mi |
| Max Discharge | 95 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Irrigation |
| Owner | Schnarre & Ridder |
| Owner Type | Private |
| Hazard Classification | Significant |
| Condition Assessment | Not assessed |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | MO31499 |
| Federal ID | MO31499 |
| More Info | State Dam Safety Program |