Holy Terror

TERROR CREEK-TR· Delta, Colorado· Built 1893· Earth· 17 ft tall
Low Hazard Irrigation Private

Key Takeaway

Holy Terror is classified as low hazard in Colorado. It was completed in 1893 and is 133 years old. Its primary use is irrigation.

Physical Details

Dam Height 17 ft (taller than 26.3% in CO)
Dam Length750 ft
Dam TypeEarth
Max Storage218 acre-ft
Normal Storage170 acre-ft
Surface Area16 acres
Drainage Area0 sq mi
Max Discharge1,000 cfs
Year Completed1893 (133 years old)
NID IDCO00573

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: August 24, 2016
State Regulated: Yes
Regulatory Agency: DWR

Ownership

LEROUX CREEK WATER USERS ASSOCIATION

Private

Nearby Dams

Willow

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Fairmont

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Low Hazard 23 ft

Dog Fish Lake

Delta, CO

Low Hazard 22 ft

Goodenough #2

Delta, CO

Significant Hazard 38 ft

Lucky Find

Delta, CO

Low Hazard 20 ft

Pine Cone

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Low Hazard 16 ft

Gray

Delta, CO

Low Hazard 38 ft

Elk Wallows

Delta, CO

Low Hazard 22 ft

Frequently Asked Questions

What is the hazard classification of Holy Terror?

Holy Terror 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 Holy Terror?

Holy Terror is owned by LEROUX CREEK WATER USERS ASSOCIATION (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Holy Terror built?

Holy Terror was completed in 1893, making it 133 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 Holy Terror?

Holy Terror 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 Holy Terror?

Holy Terror has a dam height of 17 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 Holy Terror last inspected?

Holy Terror was last inspected on August 24, 2016. 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.