Rockwell #1

IRON CREEK-OS· Montrose, Colorado· Built 1981· Earth· 19 ft tall
Low Hazard Irrigation Recreation Private

Key Takeaway

Rockwell #1 is classified as low hazard in Colorado. It was completed in 1981 and is 45 years old. Its primary use is irrigation.

Physical Details

Dam Height 19 ft (taller than 32.7% in CO)
Dam Length880 ft
Dam TypeEarth
Max Storage129 acre-ft
Normal Storage75 acre-ft
Surface Area12 acres
Drainage Area0 sq mi
Max Discharge84 cfs
Year Completed1981 (45 years old)
NID IDCO02565

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: April 30, 2020
State Regulated: Yes
Regulatory Agency: DWR

Ownership

HARRIS AND SONS STIRRUP BAR RANCH

Private

Nearby Dams

Onion Valley

Montrose, CO

High Hazard 85 ft

Tyler

Montrose, CO

Low Hazard 49 ft

Crawford

Delta, CO

High Hazard 162 ft

Meek

Montrose, CO

Low Hazard 27 ft

Bottle Stomp

Montrose, CO

Low Hazard 33 ft

Poison Spring

Montrose, CO

Low Hazard 32 ft

Don Meek #1

Montrose, CO

Low Hazard 19 ft

Crystal

Montrose, CO

High Hazard 227 ft

Frequently Asked Questions

What is the hazard classification of Rockwell #1?

Rockwell #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 Rockwell #1?

Rockwell #1 is owned by HARRIS AND SONS STIRRUP BAR RANCH (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Rockwell #1 built?

Rockwell #1 was completed in 1981, making it 45 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 Rockwell #1?

Rockwell #1 serves the following purposes: Irrigation, Recreation. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.

How tall is Rockwell #1?

Rockwell #1 has a dam height of 19 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 Rockwell #1 last inspected?

Rockwell #1 was last inspected on April 30, 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.