Tracy Road Detention
Tracy Road Detention is an earth dam located in Redwood County, Minnesota, built in 1999. It carries a Low hazard potential classification and has a fair condition assessment.
About Tracy Road Detention
The primary purpose of Tracy Road Detention 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 County Of Lyon (local government). It impounds the Cottonwood River-tr near Sanborn.
The dam stands 23 feet tall, has a maximum storage capacity of 253 acre-feet, and collects water from a drainage area of 2 square miles. Completed in 1999, the structure is 27 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. 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 05/02/2018.
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Location
| State | Minnesota |
| County | Redwood |
| Nearest City | Sanborn |
| River/Stream | Cottonwood River-tr |
| Coordinates | 44.23535, -95.59336 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 23 ft |
| Dam Height | 21 ft |
| Year Completed | 1999 (27 years old) |
Storage & Hydraulics
| NID Storage | 253 acre-ft |
| Max Storage | 253 acre-ft |
| Drainage Area | 2 sq mi |
| Max Discharge | 207 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Flood Risk Reduction |
| Owner | County of Lyon |
| Owner Type | Local Government |
| Hazard Classification | Low |
| Condition Assessment | Fair |
| Last Inspection | 05/02/2018 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | MN01048 |
| Federal ID | MN01048 |
| More Info | State Dam Safety Program |