Ortonville 25
Ortonville 25 is a rockfill dam located in Big Stone County, Minnesota. It carries a Low hazard potential classification and has a fair condition assessment.
About Ortonville 25
The primary purpose of Ortonville 25 is fire protection, stock, or small fish pond. The dam maintains a small impoundment used for fire suppression, livestock watering, or as a fish pond. The dam is owned by Joplin, Mark (private). It impounds the Minnesota River-tr near Odessa.
The dam stands 22 feet tall and stretches 250 feet across, creates a reservoir covering 4 acres, and has a maximum storage capacity of 50 acre-feet.
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 fair — the dam has minor deficiencies that are being addressed or do not pose an immediate safety threat. The most recent inspection on record was 08/07/2019.
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Location
| State | Minnesota |
| County | Big Stone |
| Nearest City | Odessa |
| River/Stream | Minnesota River-tr |
| Coordinates | 45.26555, -96.36898 |
Physical Characteristics
| Dam Type | Rockfill |
| NID Height | 22 ft |
| Dam Height | 22 ft |
| Dam Length | 250 ft |
Storage & Hydraulics
| NID Storage | 50 acre-ft |
| Max Storage | 50 acre-ft |
| Normal Storage | 33 acre-ft |
| Surface Area | 4 acres |
Ownership & Safety
| Purpose | Fire Protection, Stock, Or Small Fish Pond |
| Owner | Joplin, Mark |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Fair |
| Last Inspection | 08/07/2019 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | MN01772 |
| Federal ID | MN01772 |
| More Info | State Dam Safety Program |