Teller No. 2
Key Takeaway
Teller No. 2 is classified as low hazard in Colorado. It was completed in 1904 and is 122 years old. Its primary use is irrigation.
Physical Details
| Dam Height | 12 ft (taller than 11% in CO) |
| Dam Length | 1,060 ft |
| Dam Type | Earth |
| Max Storage | 180 acre-ft |
| Normal Storage | 60 acre-ft |
| Surface Area | 21 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 2,350 cfs |
| Year Completed | 1904 (122 years old) |
| NID ID | CO02776 |
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/OPEN SPACE (BRAUTIGAM, JANE)
Local Government
Nearby Dams
Teller Lake No. 5 - West
Boulder, CO
Low Hazard 9 ftTeller Lake No. 5 - East
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Low Hazard 10 ftLouisville No. 1
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Significant Hazard 13 ftValmont 'A'
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High Hazard 67 ftHarper Lake
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High Hazard 11 ftHecla
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Low Hazard 12 ftWaneka
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High Hazard 27 ftSt. Joe Tailings
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Low Hazard 37 ftFrequently Asked Questions
What is the hazard classification of Teller No. 2?
Teller No. 2 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 Teller No. 2?
Teller No. 2 is owned by CITY OF BOULDER/OPEN SPACE (BRAUTIGAM, JANE) (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Teller No. 2 built?
Teller No. 2 was completed in 1904, making it 122 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 Teller No. 2?
Teller No. 2 serves the following purposes: Irrigation, Fish And Wildlife Pond, Recreation. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Teller No. 2?
Teller No. 2 has a dam height of 12 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 Teller No. 2 last inspected?
Teller No. 2 was last inspected on June 25, 2014. Inspection dates indicate when a formal review occurred, not the results of that inspection.