Hansen Marsh
Hansen Marsh is an earth dam located in Ramsey County, North Dakota, built in 2002. It carries a Low hazard potential classification.
About Hansen Marsh
The primary purpose of Hansen Marsh 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 Usfws (federal). It impounds the Calio Coulee-os near N.
The dam stands 8 feet tall and stretches 2,775 feet across, creates a reservoir covering 82 acres, has a maximum storage capacity of 452 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 2002, 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 06/04/2002. That was over 23 years ago.
Search for dams near your address to see all dams in your area with hazard classifications and safety data.
Location
| State | North Dakota |
| County | Ramsey |
| Nearest City | N |
| River/Stream | Calio Coulee-os |
| Coordinates | 48.36442, -99.07309 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 8 ft |
| Dam Height | 8 ft |
| Dam Length | 2,775 ft |
| Year Completed | 2002 (24 years old) |
Storage & Hydraulics
| NID Storage | 452 acre-ft |
| Max Storage | 452 acre-ft |
| Normal Storage | 270 acre-ft |
| Surface Area | 82 acres |
| Drainage Area | 0 sq mi |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Flood Risk Reduction |
| Owner | USFWS |
| Owner Type | Federal |
| Hazard Classification | Low |
| Condition Assessment | Not Rated |
| Last Inspection | 06/04/2002 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | ND00949 |
| Federal ID | ND00949 |
| More Info | State Dam Safety Program |