Lake Elmo Regional Park
Lake Elmo Regional Park is an earth dam located in Washington County, Minnesota, built in 1981. It carries a Low hazard potential classification and has a satisfactory condition assessment.
About Lake Elmo Regional Park
The primary purpose of Lake Elmo Regional Park 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 Wd Of Valley Branch (local government). It impounds the Eagle Point Lake-tr near Lake Elmo.
The dam stands 32 feet tall, creates a reservoir covering 281 acres, has a maximum storage capacity of 140 acre-feet, and collects water from a drainage area of 20 square miles. Completed in 1981, the structure is 45 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 11/01/2024.
At 32 feet, this dam is taller than 76% of dams nationwide.
Search for dams near your address to see all dams in your area with hazard classifications and safety data.
Location
| State | Minnesota |
| County | Washington |
| Nearest City | Lake Elmo |
| River/Stream | Eagle Point Lake-tr |
| Coordinates | 44.97824, -92.89506 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 32 ft |
| Dam Height | 26 ft |
| Year Completed | 1981 (45 years old) |
Storage & Hydraulics
| NID Storage | 140 acre-ft |
| Max Storage | 140 acre-ft |
| Normal Storage | 2 acre-ft |
| Surface Area | 281 acres |
| Drainage Area | 20 sq mi |
| Max Discharge | 65 cfs |
| Spillway Type | Controlled |
Ownership & Safety
| Purpose | Flood Risk Reduction |
| Owner | WD of Valley Branch |
| Owner Type | Local Government |
| Hazard Classification | Low |
| Condition Assessment | Satisfactory |
| Last Inspection | 11/01/2024 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | MN00915 |
| Federal ID | MN00915 |
| More Info | State Dam Safety Program |