Coleharbor Water Supply Dam
Key Takeaway
Coleharbor Water Supply Dam is classified as low hazard in North Dakota. It was completed in 1965 and is 61 years old. Its primary use is recreation.
Physical Details
| Dam Height | 13 ft (taller than 38.2% in ND) |
| Dam Length | 700 ft |
| Dam Type | Earth |
| Max Storage | 134 acre-ft |
| Normal Storage | 66 acre-ft |
| Surface Area | 23 acres |
| Drainage Area | 4 sq mi |
| Year Completed | 1965 (61 years old) |
| NID ID | ND00367 |
Safety Information
No probable loss of human life and low economic/environmental losses expected.
Hazard potential describes downstream consequences of failure, not the dam's current condition. What does this mean?
Ownership
City of Coleharbor
Local Government
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Low Hazard 7 ftFrequently Asked Questions
What is the hazard classification of Coleharbor Water Supply Dam?
Coleharbor Water Supply Dam is classified as Low Hazard. No probable loss of human life and low economic/environmental losses expected. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.
Who owns and operates Coleharbor Water Supply Dam?
Coleharbor Water Supply Dam is owned by City of Coleharbor (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Coleharbor Water Supply Dam built?
Coleharbor Water Supply Dam was completed in 1965, making it 61 years old. Many U.S. dams were built between the 1930s and 1970s during a period of major infrastructure investment.
What is the primary purpose of Coleharbor Water Supply Dam?
Coleharbor Water Supply Dam serves the following purposes: Recreation. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Coleharbor Water Supply Dam?
Coleharbor Water Supply Dam has a dam height of 13 ft. Dam height is measured from the natural streambed at the downstream toe to the top of the dam, and may differ from the visible height.
When was Coleharbor Water Supply Dam last inspected?
Coleharbor Water Supply Dam was last inspected on May 9, 2018. Inspection dates indicate when a formal review occurred, not the results of that inspection.