Mcelroy

PASS CREEK· Grand, Colorado· Built 1931· Earth· 40 ft tall
Low Hazard Irrigation Private

Key Takeaway

Mcelroy is classified as low hazard in Colorado. It was completed in 1931 and is 95 years old. Its primary use is irrigation.

Physical Details

Dam Height 40 ft (taller than 81.3% in CO)
Dam Length150 ft
Dam TypeEarth
Max Storage355 acre-ft
Normal Storage240 acre-ft
Surface Area12 acres
Drainage Area17 sq mi
Max Discharge3,478 cfs
Year Completed1931 (95 years old)
NID IDCO00702

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: May 15, 2019
State Regulated: Yes
Regulatory Agency: DWR

Ownership

FARRELL, VINCE

Private

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Mcelroy?

Mcelroy 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 Mcelroy?

Mcelroy is owned by FARRELL, VINCE (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Mcelroy built?

Mcelroy was completed in 1931, making it 95 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 Mcelroy?

Mcelroy 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 Mcelroy?

Mcelroy has a dam height of 40 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 Mcelroy last inspected?

Mcelroy was last inspected on May 15, 2019. 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.