Fish Lake

SURFACE CREEK-TR· Delta, Colorado· Built 1892· Earth· 13 ft tall
Low Hazard Irrigation Recreation Private

Key Takeaway

Fish Lake is classified as low hazard in Colorado. It was completed in 1892 and is 134 years old. Its primary use is irrigation.

Physical Details

Dam Height 13 ft (taller than 14.5% in CO)
Dam Length400 ft
Dam TypeEarth
Max Storage103 acre-ft
Normal Storage83 acre-ft
Surface Area8 acres
Drainage Area0 sq mi
Max Discharge63 cfs
Year Completed1892 (134 years old)
NID IDCO00660

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 12, 2017
State Regulated: Yes
Regulatory Agency: DWR

Ownership

HANSON, ARLO

Private

Nearby Dams

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Knox

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Carbonate Camp #7

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Park

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Greenwood

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Carbonate Camp #6

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Low Hazard 14 ft

Military Park

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Eureka #2

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Frequently Asked Questions

What is the hazard classification of Fish Lake?

Fish 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 Fish Lake?

Fish Lake is owned by HANSON, ARLO (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Fish Lake built?

Fish Lake was completed in 1892, making it 134 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 Fish Lake?

Fish Lake 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 Fish Lake?

Fish Lake has a dam height of 13 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 Fish Lake last inspected?

Fish Lake was last inspected on July 12, 2017. 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.