Apache Lake Reservoir

COLUMBINE CREEK-TR· Larimer, Colorado· Built 1980· Earth· 20 ft tall
Low Hazard Irrigation Private

Key Takeaway

Apache Lake Reservoir is classified as low hazard in Colorado. It was completed in 1980 and is 46 years old. Its primary use is irrigation.

Physical Details

Dam Height 20 ft (taller than 36.1% in CO)
Dam Length840 ft
Dam TypeEarth
Max Storage211 acre-ft
Normal Storage126 acre-ft
Surface Area17 acres
Drainage Area2 sq mi
Max Discharge1,258 cfs
Year Completed1980 (46 years old)
NID IDCO02357

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: September 10, 2021
State Regulated: Yes
Regulatory Agency: DWR

Ownership

BARKER, PAUL

Private

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Apache Lake Reservoir?

Apache Lake Reservoir 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 Apache Lake Reservoir?

Apache Lake Reservoir is owned by BARKER, PAUL (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Apache Lake Reservoir built?

Apache Lake Reservoir was completed in 1980, making it 46 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 Apache Lake Reservoir?

Apache Lake Reservoir 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 Apache Lake Reservoir?

Apache Lake Reservoir has a dam height of 20 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 Apache Lake Reservoir last inspected?

Apache Lake Reservoir was last inspected on September 10, 2021. 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.