St. Joe Tailings
Key Takeaway
St. Joe Tailings is classified as low hazard in Colorado. It was completed in 1936 and is 90 years old. Its primary use is tailings.
Physical Details
| Dam Height | 37 ft (taller than 78.2% in CO) |
| Dam Length | 1,230 ft |
| Dam Type | Other |
| Max Storage | 99 acre-ft |
| Normal Storage | 40 acre-ft |
| Surface Area | 16 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 1,000 cfs |
| Year Completed | 1936 (90 years old) |
| NID ID | CO00252 |
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 BOULDER, PUBLIC WORKS (BOYES, BILL)
Local Government
Nearby Dams
Leggett & Hillcrest
Boulder, CO
High Hazard 28 ftValmont 'A'
Boulder, CO
High Hazard 67 ftBaseline - Northwest
Boulder, CO
High Hazard 20 ftDavis No. 2
Boulder, CO
Low Hazard 11 ftBaseline - East
Boulder, CO
High Hazard 40 ftDavis No. 1
Boulder, CO
High Hazard 10 ftHayden
Boulder, CO
High Hazard 27 ftSix Mile - Main
Boulder, CO
High Hazard 35 ftFrequently Asked Questions
What is the hazard classification of St. Joe Tailings?
St. Joe Tailings 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 St. Joe Tailings?
St. Joe Tailings is owned by CITY OF BOULDER, PUBLIC WORKS (BOYES, BILL) (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was St. Joe Tailings built?
St. Joe Tailings was completed in 1936, making it 90 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. Joe Tailings?
St. Joe Tailings serves the following purposes: Tailings. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is St. Joe Tailings?
St. Joe Tailings has a dam height of 37 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 St. Joe Tailings last inspected?
St. Joe Tailings was last inspected on September 25, 2013. Inspection dates indicate when a formal review occurred, not the results of that inspection.