Fish Lake Fish Barrier is a concrete dam located in Cottonwood County, Minnesota, built in 1991. It carries a Low hazard potential classification.
Dam profile
NID height · 7 ft7 ft tall. Height is drawn to scale against a two-story house, about 25 ft; the profile is a generic concrete gravity section and the water level is illustrative.
About Fish Lake Fish Barrier
The primary purpose of Fish Lake Fish Barrier is fish and wildlife pond. The dam creates habitat for fish and wildlife, supporting local ecosystems and potentially serving conservation goals. The dam is owned by Mndnr (state). It impounds the Watonwan River South Fork near Odin.
The dam stands 7 feet tall, creates a reservoir covering 300 acres, has a maximum storage capacity of 862 acre-feet, and collects water from a drainage area of 2 square miles. Completed in 1991, the structure is 35 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 07/31/2024.
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Location
| State | Minnesota |
| County | Cottonwood |
| Nearest City | Odin |
| River/Stream | Watonwan River South Fork |
| Coordinates | 43.85023, -95.03489 |
Physical Characteristics
| Dam Type | Concrete |
| NID Height | 7 ft |
| Dam Height | 7 ft |
| Year Completed | 1991 (35 years old) |
Storage & Hydraulics
| NID Storage | 862 acre-ft |
| Max Storage | 862 acre-ft |
| Normal Storage | 700 acre-ft |
| Surface Area | 300 acres |
| Drainage Area | 2 sq mi |
Ownership & Safety
| Purpose | Fish and Wildlife Pond |
| 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 | MN01151 |
| Federal ID | MN01151 |
| More Info | State Dam Safety Program |