State Hospital Pond
State Hospital Pond is an earth dam located in Nicollet County, Minnesota, built in 1970. It carries a Significant hazard potential classification and has a satisfactory condition assessment.
About State Hospital Pond
The primary purpose of State Hospital Pond is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Mn-st Peter Regional Treatment Center (state). It impounds the Minnesota River-tr near St. Peter.
The dam stands 35 feet tall and stretches 276 feet across, has a maximum storage capacity of 38 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 significant hazard potential classification, meaning that a failure could cause significant economic damage — flooding roads, bridges, or property downstream — but is not expected to result in 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 05/17/2023.
At 35 feet, this dam is taller than 82% of dams nationwide.
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Location
| State | Minnesota |
| County | Nicollet |
| Nearest City | St. Peter |
| River/Stream | Minnesota River-tr |
| Coordinates | 44.30756, -93.98991 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 35 ft |
| Dam Height | 31 ft |
| Dam Length | 276 ft |
| Year Completed | 1970 (56 years old) |
Storage & Hydraulics
| NID Storage | 38 acre-ft |
| Max Storage | 38 acre-ft |
| Normal Storage | 5 acre-ft |
| Drainage Area | 0 sq mi |
| Max Discharge | 52 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Recreation |
| Owner | MN-ST PETER REGIONAL TREATMENT CENTER |
| Owner Type | State |
| Hazard Classification | Significant |
| Condition Assessment | Satisfactory |
| Last Inspection | 05/17/2023 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | MN00315 |
| Federal ID | MN00315 |
| More Info | State Dam Safety Program |