Charlestown 30 is a dam located in Redwood County, Minnesota, built in 2016. It carries a Low hazard potential classification.
Dam profile
NID height · 40 ft40 ft tall and 200 ft long, taller than 86% 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 Charlestown 30
The primary purpose of Charlestown 30 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 Pfarr, Beverly (private). It impounds the Dutch Charley Creek-tr near Sanborn.
The dam stands 40 feet tall and stretches 200 feet across, creates a reservoir covering 4 acres, has a maximum storage capacity of 54 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 2016, the structure is relatively new.
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. The most recent inspection on record was 08/01/2024.
At 40 feet, this dam is taller than 86% of dams nationwide.
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Location
| State | Minnesota |
| County | Redwood |
| Nearest City | Sanborn |
| River/Stream | Dutch Charley Creek-tr |
| Coordinates | 44.21383, -95.21033 |
Physical Characteristics
| NID Height | 40 ft |
| Dam Height | 40 ft |
| Dam Length | 200 ft |
| Year Completed | 2016 (10 years old) |
Storage & Hydraulics
| NID Storage | 54 acre-ft |
| Max Storage | 54 acre-ft |
| Normal Storage | 12 acre-ft |
| Surface Area | 4 acres |
| Drainage Area | 0 sq mi |
Ownership & Safety
| Purpose | Flood Risk Reduction |
| Owner | Pfarr, Beverly |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Last Inspection | 08/01/2024 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | MN01753 |
| Federal ID | MN01753 |
| More Info | State Dam Safety Program |