Evan Johnson Dam is an earth dam located in Schuyler County, Missouri, built in 2001. It carries a Low hazard potential classification.
Dam profile
NID height · 35 ft35 ft tall and 350 ft long, taller than 80% of U.S. dams with a recorded height. 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 Evan Johnson Dam
The primary purpose of Evan Johnson Dam is fire protection, stock, or small fish pond. The dam maintains a small impoundment used for fire suppression, livestock watering, or as a fish pond. The dam is owned by Evan Johnson (private). It impounds the Tr-winkler Creek near Worthington.
The dam stands 35 feet tall and stretches 350 feet across, creates a reservoir covering 10 acres, has a maximum storage capacity of 48 acre-feet, and collects water from a drainage area of 198 square miles. Completed in 2001, the structure is relatively new.
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 09/01/2001. That was over 25 years ago.
At 35 feet, this dam is taller than 80% of dams nationwide.
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Location
| State | Missouri |
| County | Schuyler |
| Nearest City | Worthington |
| River/Stream | Tr-winkler Creek |
| Coordinates | 40.45403, -92.61257 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 35 ft |
| Dam Height | 29 ft |
| Dam Length | 350 ft |
| Year Completed | 2001 (25 years old) |
Storage & Hydraulics
| NID Storage | 48 acre-ft |
| Max Storage | 48 acre-ft |
| Normal Storage | 33 acre-ft |
| Surface Area | 10 acres |
| Drainage Area | 198 sq mi |
| Max Discharge | 32 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Fire Protection, Stock, Or Small Fish Pond |
| Owner | Evan Johnson |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Last Inspection | 09/01/2001 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | MO51101 |
| Federal ID | MO51101 |
| More Info | State Dam Safety Program |