Albert Unerstall
Albert Unerstall is an earth dam located in Franklin County, Missouri, built in 1999. It carries a Low hazard potential classification.
About Albert Unerstall
The primary purpose of Albert Unerstall 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 Albert Unerstall (private). It impounds the Tr-bourbeuse River near Washington.
The dam stands 30 feet tall and stretches 420 feet across, creates a reservoir covering 6 acres, has a maximum storage capacity of 63 acre-feet, and collects water from a drainage area of 211 square miles. Completed in 1999, the structure is 27 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. The most recent inspection on record was 11/01/2000. That was over 25 years ago.
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Location
| State | Missouri |
| County | Franklin |
| Nearest City | Washington |
| River/Stream | Tr-bourbeuse River |
| Coordinates | 38.47443, -91.13683 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 30 ft |
| Dam Height | 26 ft |
| Dam Length | 420 ft |
| Year Completed | 1999 (27 years old) |
Storage & Hydraulics
| NID Storage | 63 acre-ft |
| Max Storage | 63 acre-ft |
| Normal Storage | 36 acre-ft |
| Surface Area | 6 acres |
| Drainage Area | 211 sq mi |
| Max Discharge | 70 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Grade Stabilization |
| Owner | ALBERT UNERSTALL |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not Rated |
| Last Inspection | 11/01/2000 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | MO51007 |
| Federal ID | MO51007 |
| More Info | State Dam Safety Program |