Lakewood Reservoir

NORTH BOULDER CREEK-OS· Boulder, Colorado· Built 1906· Earth· 22 ft tall
Low Hazard Water Supply Local Government

Key Takeaway

Lakewood Reservoir is classified as low hazard in Colorado. It was completed in 1906 and is 120 years old. Its primary use is water supply.

Physical Details

Dam Height 22 ft (taller than 43.8% in CO)
Dam Length725 ft
Dam TypeEarth
Max Storage55 acre-ft
Normal Storage42 acre-ft
Surface Area4 acres
Max Discharge194 cfs
Year Completed1906 (120 years old)
NID IDCO02812

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: June 7, 2021
State Regulated: Yes
Regulatory Agency: DWR

Ownership

CITY OF BOULDER (CLARK, KEVIN)

Local Government

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Lakewood Reservoir?

Lakewood 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 Lakewood Reservoir?

Lakewood Reservoir is owned by CITY OF BOULDER (CLARK, KEVIN) (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Lakewood Reservoir built?

Lakewood Reservoir was completed in 1906, making it 120 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 Lakewood Reservoir?

Lakewood Reservoir serves the following purposes: Water Supply. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.

How tall is Lakewood Reservoir?

Lakewood Reservoir has a dam height of 22 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 Lakewood Reservoir last inspected?

Lakewood Reservoir was last inspected on June 7, 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.