St Clair Stormwater Detention Dam
Key Takeaway
St Clair Stormwater Detention Dam is classified as high hazard in Washington. It was completed in 1986 and is 40 years old. Its primary use is flood risk reduction. High hazard means loss of life is likely if the dam fails — it does not indicate the dam's current condition. Learn more.
Physical Details
| Dam Length | 550 ft |
| Dam Type | Earth |
| Max Storage | 31 acre-ft |
| Normal Storage | 21 acre-ft |
| Surface Area | 2 acres |
| Drainage Area | 1 sq mi |
| Max Discharge | 1,335 cfs |
| Year Completed | 1986 (40 years old) |
| NID ID | WA01566 |
Safety Information
Loss of human life is likely if the dam fails.
Hazard potential describes downstream consequences of failure, not the dam's current condition. What does this mean?
Ownership
Bellingham City Public Works Dept
Local Government
Nearby Dams
Whatcom Lake Dam
Whatcom, WA
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High HazardGeneva Lake Dam
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High HazardHappy Valley Stormwater Detention Basin
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High HazardPadden Lake Dam
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High HazardHorton Road Detention Dam
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High HazardFrequently Asked Questions
What is the hazard classification of St Clair Stormwater Detention Dam?
St Clair Stormwater Detention Dam is classified as High Hazard. Loss of human life is likely if the dam fails. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.
Who owns and operates St Clair Stormwater Detention Dam?
St Clair Stormwater Detention Dam is owned by Bellingham City Public Works Dept (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was St Clair Stormwater Detention Dam built?
St Clair Stormwater Detention Dam was completed in 1986, making it 40 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 St Clair Stormwater Detention Dam?
St Clair Stormwater Detention Dam serves the following purposes: Flood Risk Reduction. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
When was St Clair Stormwater Detention Dam last inspected?
St Clair Stormwater Detention Dam was last inspected on May 22, 2023. Inspection dates indicate when a formal review occurred, not the results of that inspection.