Basil Prettyman Structure Dam
Basil Prettyman Structure Dam is an earth dam located in Nodaway County, Missouri, built in 1980. It carries a Low hazard potential classification.
About Basil Prettyman Structure Dam
The primary purpose of Basil Prettyman Structure Dam is grade stabilization. Grade stabilization dams prevent erosion by reducing the slope and velocity of water flowing through a channel. They're commonly used to stop gullies from deepening and to protect downstream land and infrastructure. The dam is owned by Basil Prettyman (private). It impounds the Tr-owl Creek&arapahoe Creek near Nodaway.
The dam stands 26 feet tall and stretches 520 feet across, creates a reservoir covering 8 acres, has a maximum storage capacity of 45 acre-feet, and collects water from a drainage area of 108 square miles. Completed in 1980, the structure is 46 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 | Nodaway |
| Nearest City | Nodaway |
| River/Stream | Tr-owl Creek&arapahoe Creek |
| Coordinates | 40.15978, -94.94998 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 26 ft |
| Dam Height | 25 ft |
| Dam Length | 520 ft |
| Year Completed | 1980 (46 years old) |
Storage & Hydraulics
| NID Storage | 45 acre-ft |
| Max Storage | 45 acre-ft |
| Normal Storage | 32 acre-ft |
| Surface Area | 8 acres |
| Drainage Area | 108 sq mi |
| Max Discharge | 70 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Grade Stabilization |
| Owner | BASIL PRETTYMAN |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not Rated |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | MO12358 |
| Federal ID | MO12358 |
| More Info | State Dam Safety Program |