North Poudre #11
Key Takeaway
North Poudre #11 is classified as low hazard in Colorado. It was completed in 1888 and is 138 years old. Its primary use is irrigation.
Physical Details
| Dam Height | 8 ft (taller than 1.3% in CO) |
| Dam Length | 2,000 ft |
| Dam Type | Earth |
| Max Storage | 50 acre-ft |
| Normal Storage | 0 acre-ft |
| Surface Area | 30 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 2,000 cfs |
| Year Completed | 1888 (138 years old) |
| NID ID | CO02040 |
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
NORTH POUDRE IRR. CO. (MOEN, TAD)
Private
Nearby Dams
Wasson
Larimer, CO
Low Hazard 15 ftMountain Supply # 7
Larimer, CO
Low Hazard 14 ftBarrett
Larimer, CO
Low Hazard 24 ftNorth Poudre # 3
Larimer, CO
High Hazard 39 ftBox Elder #5
Larimer, CO
Low Hazard 10 ftBox Elder #3
Larimer, CO
Low Hazard 20 ftBox Elder #2
Larimer, CO
Low Hazard 13 ftBox Elder #1
Larimer, CO
Low Hazard 9 ftFrequently Asked Questions
What is the hazard classification of North Poudre #11?
North Poudre #11 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 North Poudre #11?
North Poudre #11 is owned by NORTH POUDRE IRR. CO. (MOEN, TAD) (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was North Poudre #11 built?
North Poudre #11 was completed in 1888, making it 138 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 North Poudre #11?
North Poudre #11 serves the following purposes: Irrigation. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is North Poudre #11?
North Poudre #11 has a dam height of 8 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 North Poudre #11 last inspected?
North Poudre #11 was last inspected on February 21, 1979. Inspection dates indicate when a formal review occurred, not the results of that inspection.