Diamond

ST. VRAIN CREEK-TR· Weld, Colorado· Built 1940· Earth· 26 ft tall
Low Hazard Irrigation Private

Key Takeaway

Diamond is classified as low hazard in Colorado. It was completed in 1940 and is 86 years old. Its primary use is irrigation.

Physical Details

Dam Height 26 ft (taller than 56.3% in CO)
Dam Length650 ft
Dam TypeEarth
Max Storage232 acre-ft
Normal Storage133 acre-ft
Surface Area12 acres
Drainage Area18 sq mi
Max Discharge207 cfs
Year Completed1940 (86 years old)
NID IDCO02249

Safety Information

Low Hazard

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?

Emergency Action Plan: No
Last Inspection: June 17, 2020
State Regulated: Yes
Regulatory Agency: DWR

Ownership

ARISTOCRAT ANGUS (HOUSTON, SKYLAR)

Private

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Diamond?

Diamond 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 Diamond?

Diamond is owned by ARISTOCRAT ANGUS (HOUSTON, SKYLAR) (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Diamond built?

Diamond was completed in 1940, making it 86 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 Diamond?

Diamond 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 Diamond?

Diamond has a dam height of 26 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 Diamond last inspected?

Diamond was last inspected on June 17, 2020. 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.