Joe Blake Water Treatment Plant Forebay

DAD CLARK GULCH· Douglas, Colorado· Built 1986· Earth· 12 ft tall
Significant Hazard Public Utility

Key Takeaway

Joe Blake Water Treatment Plant Forebay is classified as significant hazard in Colorado. It was completed in 1986 and is 40 years old. Significant hazard means failure could cause economic or environmental damage. Learn more.

Physical Details

Dam Height 12 ft (taller than 11% in CO)
Dam Length1,200 ft
Dam TypeEarth
Max Storage86 acre-ft
Normal Storage71 acre-ft
Surface Area5 acres
Drainage Area0 sq mi
Year Completed1986 (40 years old)
Year Modified2009
NID IDCO03051

Safety Information

Significant Hazard

No probable loss of human life, but can cause economic loss, environmental damage, or disruption of lifeline facilities.

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

Emergency Action Plan: Yes
Last Inspection: March 31, 2022
State Regulated: Yes
Regulatory Agency: DWR

Ownership

CENTENNIAL WATER AND SANITATION DISTRICT

Public Utility

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Joe Blake Water Treatment Plant Forebay?

Joe Blake Water Treatment Plant Forebay is classified as Significant Hazard. No probable loss of human life, but can cause economic loss, environmental damage, or disruption of lifeline facilities. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.

Who owns and operates Joe Blake Water Treatment Plant Forebay?

Joe Blake Water Treatment Plant Forebay is owned by CENTENNIAL WATER AND SANITATION DISTRICT (Public Utility). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Joe Blake Water Treatment Plant Forebay built?

Joe Blake Water Treatment Plant Forebay was completed in 1986, making it 40 years old. Many U.S. dams were built between the 1930s and 1970s during a period of major infrastructure investment.

How tall is Joe Blake Water Treatment Plant Forebay?

Joe Blake Water Treatment Plant Forebay 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 Joe Blake Water Treatment Plant Forebay last inspected?

Joe Blake Water Treatment Plant Forebay was last inspected on March 31, 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.