Lake Dorothy
Key Takeaway
Lake Dorothy is classified as low hazard in Colorado. It was completed in 1937 and is 89 years old. Its primary use is water supply.
Physical Details
| Dam Height | 65 ft (taller than 92.2% in CO) |
| Dam Length | 775 ft |
| Dam Type | Earth |
| Max Storage | 443 acre-ft |
| Normal Storage | 344 acre-ft |
| Surface Area | 18 acres |
| Drainage Area | 6 sq mi |
| Max Discharge | 1,954 cfs |
| Year Completed | 1937 (89 years old) |
| NID ID | CO00540 |
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
RATON WATER WORKS (DAN CAMPBELL, GENERAL MANAGER)
Local Government
Nearby Dams
Frequently Asked Questions
What is the hazard classification of Lake Dorothy?
Lake Dorothy 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 Lake Dorothy?
Lake Dorothy is owned by RATON WATER WORKS (DAN CAMPBELL, GENERAL MANAGER) (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Lake Dorothy built?
Lake Dorothy was completed in 1937, making it 89 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 Lake Dorothy?
Lake Dorothy serves the following purposes: Water Supply, 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 Lake Dorothy?
Lake Dorothy has a dam height of 65 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 Lake Dorothy last inspected?
Lake Dorothy was last inspected on August 15, 2016. Inspection dates indicate when a formal review occurred, not the results of that inspection.