Erie Dam
Erie Dam is an earth dam located in Cass County, North Dakota, built in 1970. It carries a Significant hazard potential classification.
About Erie Dam
The primary purpose of Erie Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Nd Game And Fish (local government). It impounds the Rush River - Tr near N.
The dam stands 51 feet tall and stretches 810 feet across, creates a reservoir covering 130 acres, has a maximum storage capacity of 3,050 acre-feet, and collects water from a drainage area of 7 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. An emergency action plan is in place for this dam. The most recent inspection on record was 09/23/2019.
At 51 feet, this dam is taller than 93% of dams nationwide.
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Location
| State | North Dakota |
| County | Cass |
| Nearest City | N |
| River/Stream | Rush River - Tr |
| Coordinates | 47.09730, -97.41438 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 51 ft |
| Dam Height | 42 ft |
| Dam Length | 810 ft |
| Year Completed | 1970 (56 years old) |
Storage & Hydraulics
| NID Storage | 3,050 acre-ft |
| Max Storage | 3,050 acre-ft |
| Normal Storage | 1,650 acre-ft |
| Surface Area | 130 acres |
| Drainage Area | 7 sq mi |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Recreation |
| Owner | ND Game and Fish |
| Owner Type | Local Government |
| Hazard Classification | Significant |
| Condition Assessment | Not Rated |
| Last Inspection | 09/23/2019 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | ND00030 |
| Federal ID | ND00030 |
| More Info | State Dam Safety Program |