Daniel Ryan is an earth dam located in Goodhue County, Minnesota. It carries a Low hazard potential classification and has a fair condition assessment.
Dam profile
NID height · 31 ft31 ft tall and 320 ft long, taller than 72% of U.S. dams with a recorded height. 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 Daniel Ryan
The primary purpose of Daniel Ryan 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 Ryan, Daniel (private). It impounds the Belle Creek-tr near White Rock.
The dam stands 31 feet tall and stretches 320 feet across, creates a reservoir covering 1 acres, has a maximum storage capacity of 19 acre-feet, and collects water from a drainage area of 0 square miles.
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 05/17/2022.
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Location
| State | Minnesota |
| County | Goodhue |
| Nearest City | White Rock |
| River/Stream | Belle Creek-tr |
| Coordinates | 44.44230, -92.78061 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 31 ft |
| Dam Height | 31 ft |
| Dam Length | 320 ft |
Storage & Hydraulics
| NID Storage | 19 acre-ft |
| Max Storage | 19 acre-ft |
| Normal Storage | 4 acre-ft |
| Surface Area | 1 acres |
| Drainage Area | 0 sq mi |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Flood Risk Reduction |
| Owner | Ryan, Daniel |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Fair |
| Last Inspection | 05/17/2022 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | MN00951 |
| Federal ID | MN00951 |
| More Info | State Dam Safety Program |