Irwin Mill Dam
Irwin Mill Dam is an earth dam located in Jackson County, Florida, built in 1970. It carries a Low hazard potential classification.
About Irwin Mill Dam
Irwin Mill Dam is a dam in Jackson, Florida. The dam is owned by George Flowers (private). It impounds the Irwin Mill Creek.
The dam stands 10 feet tall and stretches 250 feet across, creates a reservoir covering 7 acres, and has a maximum storage capacity of 66 acre-feet. 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. The most recent inspection on record was 05/10/1994. That was over 31 years ago.
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Location
| State | Florida |
| County | Jackson |
| Nearest City | None |
| River/Stream | Irwin Mill Creek |
| Coordinates | 30.99745, -85.02842 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 10 ft |
| Dam Height | 10 ft |
| Dam Length | 250 ft |
| Year Completed | 1970 (56 years old) |
Storage & Hydraulics
| NID Storage | 66 acre-ft |
| Max Storage | 66 acre-ft |
| Normal Storage | 40 acre-ft |
| Surface Area | 7 acres |
| Max Discharge | 234 cfs |
Ownership & Safety
| Purpose | Other |
| Owner | GEORGE FLOWERS |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not Rated |
| Last Inspection | 05/10/1994 |
| Emergency Action Plan | No |
Identifiers
| NID ID | FL00558 |
| Federal ID | FL00558 |
| More Info | State Dam Safety Program |