Lewis Drain Dam is an earth dam located in Genesee County, Michigan, built in 1969. It carries a Low hazard potential classification and has a fair condition assessment.
Dam profile
NID height · 15 ft15 ft tall and 400 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 Lewis Drain Dam
The primary purpose of Lewis Drain Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Robert Montague (private). It impounds the Lewis Drain near Clio.
The dam stands 15 feet tall and stretches 400 feet across, creates a reservoir covering 14 acres, has a maximum storage capacity of 120 acre-feet, and collects water from a drainage area of 7 square miles. Completed in 1969, the structure is well into its service life at over 50 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. Its condition is rated fair — the dam has minor deficiencies that are being addressed or do not pose an immediate safety threat. The most recent inspection on record was 11/11/2005. That was over 20 years ago.
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Location
| State | Michigan |
| County | Genesee |
| Nearest City | Clio |
| River/Stream | Lewis Drain |
| Coordinates | 43.15333, -83.71333 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 15 ft |
| Dam Height | 15 ft |
| Dam Length | 400 ft |
| Year Completed | 1969 (57 years old) |
Storage & Hydraulics
| NID Storage | 120 acre-ft |
| Max Storage | 120 acre-ft |
| Normal Storage | 85 acre-ft |
| Surface Area | 14 acres |
| Drainage Area | 7 sq mi |
| Max Discharge | 100 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Recreation |
| Owner | Robert Montague |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Fair |
| Last Inspection | 11/11/2005 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | MI00795 |
| Federal ID | MI00795 |
| More Info | State Dam Safety Program |