Coal Ridge Waste Dam #2
Key Takeaway
Coal Ridge Waste Dam #2 is classified as low hazard in Colorado. It was completed in 1954 and is 72 years old. Its primary use is irrigation.
Physical Details
| Dam Height | 7 ft (taller than 0.4% in CO) |
| Dam Length | 820 ft |
| Dam Type | Earth |
| Max Storage | 1.4K acre-ft |
| Normal Storage | 696 acre-ft |
| Surface Area | 81 acres |
| Drainage Area | 3 sq mi |
| Year Completed | 1954 (72 years old) |
| NID ID | CO02830 |
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
PLATTE VALLEY IRRIGATION CO. (SCHMIDT, KEVIN)
Private
Nearby Dams
Coal Ridge Waste Dam #1
Weld, CO
Significant Hazard 31 ftSullivan
Weld, CO
Low Hazard 11 ftTwombley
Weld, CO
Low Hazard 13 ftMose Davis #2
Weld, CO
Low Hazard 14 ftFulton Waste
Weld, CO
Low Hazard 26 ftNorth Star
Weld, CO
Low Hazard 16 ftFrederick
Weld, CO
Significant Hazard 19 ftH.A. Smith
Weld, CO
Low Hazard 7 ftFrequently Asked Questions
What is the hazard classification of Coal Ridge Waste Dam #2?
Coal Ridge Waste Dam #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 Coal Ridge Waste Dam #2?
Coal Ridge Waste Dam #2 is owned by PLATTE VALLEY IRRIGATION CO. (SCHMIDT, KEVIN) (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Coal Ridge Waste Dam #2 built?
Coal Ridge Waste Dam #2 was completed in 1954, making it 72 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 Coal Ridge Waste Dam #2?
Coal Ridge Waste Dam #2 serves the following purposes: Irrigation, Recreation. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Coal Ridge Waste Dam #2?
Coal Ridge Waste Dam #2 has a dam height of 7 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 Coal Ridge Waste Dam #2 last inspected?
Coal Ridge Waste Dam #2 was last inspected on May 23, 2022. Inspection dates indicate when a formal review occurred, not the results of that inspection.