Gary Anson Dam
Gary Anson Dam is an earth dam located in Scotland County, Missouri, built in 1976. It carries a Low hazard potential classification.
About Gary Anson Dam
The primary purpose of Gary Anson Dam is irrigation. The dam stores and diverts water for agricultural irrigation, supporting farming operations in the surrounding area. The dam is owned by Gary Anson (private). It impounds the Tr-north Wyaconda River near Lagrange.
The dam stands 20 feet tall and stretches 460 feet across, creates a reservoir covering 5 acres, has a maximum storage capacity of 124 acre-feet, and collects water from a drainage area of 140 square miles. Completed in 1976, the structure is 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 | Scotland |
| Nearest City | Lagrange |
| River/Stream | Tr-north Wyaconda River |
| Coordinates | 40.56979, -92.10732 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 20 ft |
| Dam Height | 20 ft |
| Dam Length | 460 ft |
| Year Completed | 1976 (50 years old) |
Storage & Hydraulics
| NID Storage | 124 acre-ft |
| Max Storage | 124 acre-ft |
| Normal Storage | 64 acre-ft |
| Surface Area | 5 acres |
| Drainage Area | 140 sq mi |
| Max Discharge | 35 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Irrigation |
| Owner | GARY ANSON |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not Rated |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | MO50467 |
| Federal ID | MO50467 |
| More Info | State Dam Safety Program |