Water Mill Lake Dam is an earth dam located in Miller County, Missouri, built in 2007. It carries a Significant hazard potential classification.
Dam profile
NID height · 29 ft29 ft tall and 950 ft long, taller than 65% 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 Water Mill Lake Dam
Water Mill Lake Dam is a dam in Miller, Missouri. The dam is owned by Robert Ward (private). It impounds the Trib to Brushy Fork near St. Elizabeth.
The dam stands 29 feet tall and stretches 950 feet across, creates a reservoir covering 36 acres, has a maximum storage capacity of 435 acre-feet, and collects water from a drainage area of 851 square miles. Completed in 2007, the structure is relatively new.
This dam has a significant hazard potential classification, meaning that a failure could cause significant economic damage — flooding roads, bridges, or property downstream — but is not expected to result in loss of life.
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Location
| State | Missouri |
| County | Miller |
| Nearest City | St. Elizabeth |
| River/Stream | Trib to Brushy Fork |
| Coordinates | 38.13319, -92.43533 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 29 ft |
| Dam Height | 29 ft |
| Dam Length | 950 ft |
| Year Completed | 2007 (19 years old) |
Storage & Hydraulics
| NID Storage | 435 acre-ft |
| Max Storage | 435 acre-ft |
| Normal Storage | 321 acre-ft |
| Surface Area | 36 acres |
| Drainage Area | 851 sq mi |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Owner | Robert Ward |
| Owner Type | Private |
| Hazard Classification | Significant |
| Condition Assessment | Not assessed |
| Emergency Action Plan | No |
Identifiers
| NID ID | MO32096 |
| Federal ID | MO32096 |
| More Info | State Dam Safety Program |