Ehrlick Lake Dam is an earth dam located in Montgomery County, Missouri, built in 1975. It carries a Significant hazard potential classification.
Dam profile
NID height · 24 ft24 ft tall and 720 ft long. 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 Ehrlick Lake Dam
The primary purpose of Ehrlick Lake Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Steve Ehrlick (private). It impounds the Tr-coon Cr near Middletown.
The dam stands 24 feet tall and stretches 720 feet across, creates a reservoir covering 5 acres, has a maximum storage capacity of 179 acre-feet, and collects water from a drainage area of 172 square miles. Completed in 1975, the structure is well into its service life at over 50 years old.
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. The most recent inspection on record was 07/08/1980. That was over 46 years ago.
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Location
| State | Missouri |
| County | Montgomery |
| Nearest City | Middletown |
| River/Stream | Tr-coon Cr |
| Coordinates | 39.13324, -91.42904 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 24 ft |
| Dam Height | 23 ft |
| Dam Length | 720 ft |
| Year Completed | 1975 (51 years old) |
Storage & Hydraulics
| NID Storage | 179 acre-ft |
| Max Storage | 179 acre-ft |
| Normal Storage | 114 acre-ft |
| Surface Area | 5 acres |
| Drainage Area | 172 sq mi |
| Max Discharge | 221 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Recreation |
| Owner | Steve Ehrlick |
| Owner Type | Private |
| Hazard Classification | Significant |
| Condition Assessment | Not assessed |
| Last Inspection | 07/08/1980 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | MO10993 |
| Federal ID | MO10993 |
| More Info | State Dam Safety Program |