Moccasin Lake

WHITEROCKS RIVER· Duchesne, Utah· Built 1923· Earth·
Low Hazard Irrigation Private

Key Takeaway

Moccasin Lake is classified as low hazard in Utah. It was completed in 1923 and is 103 years old. Its primary use is irrigation.

Physical Details

Dam Length797 ft
Dam TypeEarth
Max Storage113 acre-ft
Normal Storage90 acre-ft
Drainage Area1 sq mi
Year Completed1923 (103 years old)
NID IDUT00213

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: July 14, 2003
State Regulated: Yes
Regulatory Agency: Utah Division of Water Rights

Ownership

WHITEROCKS IRRIGATION CO

Private

Nearby Dams

Wigwam

Duchesne, UT

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Chepeta Lake

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High Hazard

Papoose Lake

Duchesne, UT

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Daggett Lake

Daggett, UT

Low Hazard

Spirit Lake

Daggett, UT

Significant Hazard

Whiterocks Lake

Uintah, UT

High Hazard

Cliff Lake (Duchesne)

Duchesne, UT

High Hazard

Beaver Meadow

Summit, UT

Significant Hazard

Frequently Asked Questions

What is the hazard classification of Moccasin Lake?

Moccasin Lake 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 Moccasin Lake?

Moccasin Lake is owned by WHITEROCKS IRRIGATION CO (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Moccasin Lake built?

Moccasin Lake was completed in 1923, making it 103 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 Moccasin Lake?

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

When was Moccasin Lake last inspected?

Moccasin Lake was last inspected on July 14, 2003. 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.