Mc Cormick #1

RIO GRANDE-OS· Saguache, Colorado· Built 1972· Earth· 11 ft tall

Key Takeaway

Mc Cormick #1 is classified as low hazard in Colorado. It was completed in 1972 and is 54 years old. Its primary use is irrigation.

Physical Details

Dam Height 11 ft (taller than 8.7% in CO)
Dam Length3,750 ft
Dam TypeEarth
Max Storage82 acre-ft
Normal Storage61 acre-ft
Surface Area14 acres
Drainage Area0 sq mi
Max Discharge37 cfs
Year Completed1972 (54 years old)
NID IDCO01853

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 27, 1986
State Regulated: Yes
Regulatory Agency: DWR

Ownership

JOHN MC CORMICK

Private

Frequently Asked Questions

What is the hazard classification of Mc Cormick #1?

Mc Cormick #1 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 Mc Cormick #1?

Mc Cormick #1 is owned by JOHN MC CORMICK (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Mc Cormick #1 built?

Mc Cormick #1 was completed in 1972, making it 54 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 Mc Cormick #1?

Mc Cormick #1 serves the following purposes: Irrigation, Fire Protection, Stock, Or Small Fish Pond. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.

How tall is Mc Cormick #1?

Mc Cormick #1 has a dam height of 11 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 Mc Cormick #1 last inspected?

Mc Cormick #1 was last inspected on August 27, 1986. 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.