St. Johns University is an earth dam located in Stearns County, Minnesota, built in 1988. It carries a Low hazard potential classification and has a fair condition assessment.
Dam profile
NID height · 9 ft9 ft tall. Height is drawn to scale against a two-story house, about 25 ft; the profile is a generic embankment section and the water level is illustrative.
About St. Johns University
The primary purpose of St. Johns University 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 St. Johns University (private). It impounds the Watab River North Fork near Sartell.
The dam stands 9 feet tall, creates a reservoir covering 46 acres, has a maximum storage capacity of 138 acre-feet, and collects water from a drainage area of 8 square miles. Completed in 1988, the structure is 38 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 07/14/2022.
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Location
| State | Minnesota |
| County | Stearns |
| Nearest City | Sartell |
| River/Stream | Watab River North Fork |
| Coordinates | 45.59628, -94.38190 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 9 ft |
| Dam Height | 9 ft |
| Year Completed | 1988 (38 years old) |
Storage & Hydraulics
| NID Storage | 138 acre-ft |
| Max Storage | 138 acre-ft |
| Normal Storage | 138 acre-ft |
| Surface Area | 46 acres |
| Drainage Area | 8 sq mi |
Ownership & Safety
| Purpose | Flood Risk Reduction |
| Owner | St. Johns University |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Fair |
| Last Inspection | 07/14/2022 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | MN01524 |
| Federal ID | MN01524 |
| More Info | State Dam Safety Program |