Pine Tree Pond
Pine Tree Pond is an earth dam located in Washington County, Minnesota, built in 1970. It carries a Low hazard potential classification and has a satisfactory condition assessment.
About Pine Tree Pond
The primary purpose of Pine Tree 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 City Of Cottage Grove (local government). It impounds the Mississippi River-tr near Cottage Grove.
The dam stands 10 feet tall, creates a reservoir covering 4 acres, has a maximum storage capacity of 75 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1970, the structure is well into its service life at over 50 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 satisfactory, indicating no existing or potential dam safety deficiencies are recognized. The most recent inspection on record was 11/02/2017.
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Location
| State | Minnesota |
| County | Washington |
| Nearest City | Cottage Grove |
| River/Stream | Mississippi River-tr |
| Coordinates | 44.82989, -92.92856 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 10 ft |
| Dam Height | 10 ft |
| Year Completed | 1970 (56 years old) |
Storage & Hydraulics
| NID Storage | 75 acre-ft |
| Max Storage | 75 acre-ft |
| Surface Area | 4 acres |
| Drainage Area | 0 sq mi |
Ownership & Safety
| Purpose | Flood Risk Reduction |
| Owner | City of Cottage Grove |
| Owner Type | Local Government |
| Hazard Classification | Low |
| Condition Assessment | Satisfactory |
| Last Inspection | 11/02/2017 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | MN00938 |
| Federal ID | MN00938 |
| More Info | State Dam Safety Program |