Strontia Springs

South Platte River· Douglas, Colorado· Built 1982· Concrete· 292 ft tall
High Hazard Water Supply Recreation Hydroelectric Local Government

Key Takeaway

Strontia Springs is classified as high hazard in Colorado. It was completed in 1982 and is 44 years old. Its primary use is water supply. High hazard means loss of life is likely if the dam fails — it does not indicate the dam's current condition. Learn more.

Physical Details

Dam Height 292 ft (taller than 99.6% in CO)
Dam Length650 ft
Dam TypeConcrete
Max Storage10.6K acre-ft
Normal Storage7.7K acre-ft
Surface Area98 acres
Drainage Area2,600 sq mi
Max Discharge55,000 cfs
Year Completed1982 (44 years old)
NID IDCO02219

Safety Information

High Hazard

Loss of human life is likely if the dam fails.

Hazard potential describes downstream consequences of failure, not the dam's current condition. What does this mean?

Emergency Action Plan: Yes
Last Inspection: September 29, 2022
State Regulated: Yes
Regulatory Agency: DWR

Ownership

Denver Water

Local Government

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Strontia Springs?

Strontia Springs is classified as High Hazard. Loss of human life is likely if the dam fails. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.

Who owns and operates Strontia Springs?

Strontia Springs is owned by Denver Water (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Strontia Springs built?

Strontia Springs was completed in 1982, making it 44 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 Strontia Springs?

Strontia Springs serves the following purposes: Water Supply, Recreation, Hydroelectric. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.

How tall is Strontia Springs?

Strontia Springs has a dam height of 292 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 Strontia Springs last inspected?

Strontia Springs was last inspected on September 29, 2022. Inspection dates indicate when a formal review occurred, not the results of that inspection.

Data from the National Inventory of Dams (NID) maintained by the US Army Corps of Engineers. Dam conditions may have changed since the last update. This site is not affiliated with USACE. Do not use for emergency planning — contact your local dam safety program.