Griffith-glynn Farm Pond
Griffith-glynn Farm Pond is an earth dam located in Lyon County, Minnesota, built in 1979. It carries a Low hazard potential classification.
About Griffith-glynn Farm Pond
The primary purpose of Griffith-glynn Farm Pond is flood risk reduction. The dam is designed to control downstream flooding by temporarily storing excess water during storms and releasing it at a controlled rate. The dam is owned by Griffith, John (private). It impounds the Cottonwood River-tr near Lamberton.
The dam stands 25 feet tall and stretches 295 feet across, has a maximum storage capacity of 77 acre-feet, and collects water from a drainage area of 1 square miles. Completed in 1979, the structure is 47 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 | Lyon |
| Nearest City | Lamberton |
| River/Stream | Cottonwood River-tr |
| Coordinates | 44.25980, -95.69508 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 25 ft |
| Dam Height | 25 ft |
| Dam Length | 295 ft |
| Year Completed | 1979 (47 years old) |
Storage & Hydraulics
| NID Storage | 77 acre-ft |
| Max Storage | 77 acre-ft |
| Normal Storage | 25 acre-ft |
| Drainage Area | 1 sq mi |
| Max Discharge | 289 cfs |
Ownership & Safety
| Purpose | Flood Risk Reduction |
| Owner | Griffith, John |
| Owner Type | Private |
| Hazard Classification | Low |
| Last Inspection | 07/31/2024 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | MN00845 |
| Federal ID | MN00845 |
| More Info | State Dam Safety Program |