Jackson Prison Dam
Jackson Prison Dam is an earth dam located in Jackson County, Michigan, built in 1970. It carries a Low hazard potential classification and has a satisfactory condition assessment.
About Jackson Prison Dam
Jackson Prison Dam is a dam in Jackson, Michigan. The dam is owned by Mdnr Fisheries (state). It impounds the Tributary To Grand River near Onondaga.
The dam stands 16 feet tall and stretches 1,760 feet across, creates a reservoir covering 16 acres, has a maximum storage capacity of 145 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1970, 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 satisfactory, indicating no existing or potential dam safety deficiencies are recognized. The most recent inspection on record was 10/19/2020.
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Location
| State | Michigan |
| County | Jackson |
| Nearest City | Onondaga |
| River/Stream | Tributary To Grand River |
| Coordinates | 42.29978, -84.39845 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 16 ft |
| Dam Height | 16 ft |
| Dam Length | 1,760 ft |
| Year Completed | 1970 (56 years old) |
Storage & Hydraulics
| NID Storage | 145 acre-ft |
| Max Storage | 145 acre-ft |
| Normal Storage | 96 acre-ft |
| Surface Area | 16 acres |
| Drainage Area | 0 sq mi |
| Spillway Type | Controlled |
Ownership & Safety
| Purpose | Other |
| Owner | MDNR Fisheries |
| Owner Type | State |
| Hazard Classification | Low |
| Condition Assessment | Satisfactory |
| Last Inspection | 10/19/2020 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | MI00801 |
| Federal ID | MI00801 |
| More Info | State Dam Safety Program |