Thompson #2

TRAIL CANYON WASH· Mesa, Colorado· Built 1953· Earth· 32 ft tall
Low Hazard Irrigation Private

Key Takeaway

Thompson #2 is classified as low hazard in Colorado. It was completed in 1953 and is 73 years old. Its primary use is irrigation.

Physical Details

Dam Height 32 ft (taller than 70.4% in CO)
Dam Length1,220 ft
Dam TypeEarth
Max Storage393 acre-ft
Normal Storage243 acre-ft
Surface Area30 acres
Drainage Area16 sq mi
Max Discharge2,937 cfs
Year Completed1953 (73 years old)
NID IDCO00322

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 20, 1994
State Regulated: Yes
Regulatory Agency: DWR

Ownership

MICHEAL MCMANUS

Private

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Thompson #2?

Thompson #2 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 Thompson #2?

Thompson #2 is owned by MICHEAL MCMANUS (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Thompson #2 built?

Thompson #2 was completed in 1953, making it 73 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 Thompson #2?

Thompson #2 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 Thompson #2?

Thompson #2 has a dam height of 32 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 Thompson #2 last inspected?

Thompson #2 was last inspected on May 20, 1994. 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.