Fox Lake Diversion is an earth dam located in Martin County, Minnesota, built in 1938. It carries a Low hazard potential classification.
Dam profile
NID height · 9 ft9 ft tall. 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 Fox Lake Diversion
The primary purpose of Fox Lake Diversion is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Mndnr (state). It impounds the County Ditch 1 near Armstrong, Iowa.
The dam stands 9 feet tall, creates a reservoir covering 950 acres, has a maximum storage capacity of 950 acre-feet, and collects water from a drainage area of 16 square miles. Completed in 1938, the structure is well-established, with more than 75 years of service.
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 07/31/2024.
Search for dams near your address to see all dams in your area with hazard classifications and safety data.
Location
| State | Minnesota |
| County | Martin |
| Nearest City | Armstrong, Iowa |
| River/Stream | County Ditch 1 |
| Coordinates | 43.66068, -94.76495 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 9 ft |
| Dam Height | 9 ft |
| Year Completed | 1938 (88 years old) |
Storage & Hydraulics
| NID Storage | 950 acre-ft |
| Max Storage | 950 acre-ft |
| Surface Area | 950 acres |
| Drainage Area | 16 sq mi |
Ownership & Safety
| Purpose | Recreation |
| Owner | Mndnr |
| Owner Type | State |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Last Inspection | 07/31/2024 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | MN01181 |
| Federal ID | MN01181 |
| More Info | State Dam Safety Program |