Neer Dam is an earth dam located in Lewis County, Missouri, built in 1994. It carries a Low hazard potential classification.
Dam profile
NID height · 30 ft30 ft tall and 343 ft long, taller than 68% 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 Neer Dam
The primary purpose of Neer 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 Ron Neer (private). It impounds the Tr-oyster Creek near Lagrange.
The dam stands 30 feet tall and stretches 343 feet across, creates a reservoir covering 8 acres, has a maximum storage capacity of 21 acre-feet, and collects water from a drainage area of 120 square miles. Completed in 1994, the structure is 32 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 | Lewis |
| Nearest City | Lagrange |
| River/Stream | Tr-oyster Creek |
| Coordinates | 40.03924, -91.51630 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 30 ft |
| Dam Height | 30 ft |
| Dam Length | 343 ft |
| Year Completed | 1994 (32 years old) |
Storage & Hydraulics
| NID Storage | 21 acre-ft |
| Max Storage | 21 acre-ft |
| Normal Storage | 16 acre-ft |
| Surface Area | 8 acres |
| Drainage Area | 120 sq mi |
| Max Discharge | 1 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Grade Stabilization |
| Owner | Ron Neer |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | MO50624 |
| Federal ID | MO50624 |
| More Info | State Dam Safety Program |