Cathay Dam is an earth dam located in Wells County, North Dakota, built in 1920. It carries a Low hazard potential classification.
Dam profile
NID height · 11 ft11 ft tall and 345 ft long. 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 Cathay Dam
Cathay Dam is a dam in Wells, North Dakota. The dam is owned by Wells County Wrb (local government). It impounds the Rocky Run Creek near N.
The dam stands 11 feet tall and stretches 345 feet across, creates a reservoir covering 39 acres, and has a maximum storage capacity of 195 acre-feet. Completed in 1920, the structure is over a century 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. The most recent inspection on record was 11/28/1979. That was over 46 years ago.
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Location
| State | North Dakota |
| County | Wells |
| Nearest City | N |
| River/Stream | Rocky Run Creek |
| Coordinates | 47.55676, -99.40738 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 11 ft |
| Dam Height | 11 ft |
| Dam Length | 345 ft |
| Year Completed | 1920 (106 years old) |
Storage & Hydraulics
| NID Storage | 195 acre-ft |
| Max Storage | 195 acre-ft |
| Normal Storage | 195 acre-ft |
| Surface Area | 39 acres |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Other |
| Owner | Wells County Wrb |
| Owner Type | Local Government |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Last Inspection | 11/28/1979 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | ND00071 |
| Federal ID | ND00071 |
| More Info | State Dam Safety Program |