Marsh Unit Flooding #4 is an earth dam located in Livingston County, Michigan, built in 1965. It carries a Low hazard potential classification and has a fair condition assessment.
Dam profile
NID height · 7 ft7 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 Marsh Unit Flooding #4
Marsh Unit Flooding #4 is a dam in Livingston, Michigan. The dam is owned by Mdnr Wildlife (state). It impounds the Tributary to Honey Creek near Pinckney.
The dam stands 7 feet tall and stretches 400 feet across, creates a reservoir covering 21 acres, has a maximum storage capacity of 80 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1965, 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 06/18/2015. That was over 11 years ago.
Search for dams near your address to see all dams in your area with hazard classifications and safety data.
Location
| State | Michigan |
| County | Livingston |
| Nearest City | Pinckney |
| River/Stream | Tributary to Honey Creek |
| Coordinates | 42.47960, -83.97321 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 7 ft |
| Dam Height | 7 ft |
| Dam Length | 400 ft |
| Year Completed | 1965 (61 years old) |
Storage & Hydraulics
| NID Storage | 80 acre-ft |
| Max Storage | 80 acre-ft |
| Normal Storage | 40 acre-ft |
| Surface Area | 21 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 56 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Other |
| Owner | Mdnr Wildlife |
| Owner Type | State |
| Hazard Classification | Low |
| Condition Assessment | Fair |
| Last Inspection | 06/18/2015 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | MI01468 |
| Federal ID | MI01468 |
| More Info | State Dam Safety Program |