Lambertson Lakes No. 3

Adams, Colorado· Built 1950· Earth· 27 ft tall
Low Hazard Recreation Local Government

Key Takeaway

Lambertson Lakes No. 3 is classified as low hazard in Colorado. It was completed in 1950 and is 76 years old. Its primary use is recreation.

Physical Details

Dam Height 27 ft (taller than 59.3% in CO)
Dam Length461 ft
Dam TypeEarth
Max Storage86 acre-ft
Normal Storage42 acre-ft
Surface Area6 acres
Drainage Area1 sq mi
Max Discharge2,223 cfs
Year Completed1950 (76 years old)
NID IDCO02891

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: April 15, 2019
State Regulated: Yes
Regulatory Agency: DWR

Ownership

CITY OF THORNTON

Local Government

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Lambertson Lakes No. 3?

Lambertson Lakes No. 3 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 Lambertson Lakes No. 3?

Lambertson Lakes No. 3 is owned by CITY OF THORNTON (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Lambertson Lakes No. 3 built?

Lambertson Lakes No. 3 was completed in 1950, making it 76 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 Lambertson Lakes No. 3?

Lambertson Lakes No. 3 serves the following purposes: Recreation. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.

How tall is Lambertson Lakes No. 3?

Lambertson Lakes No. 3 has a dam height of 27 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 Lambertson Lakes No. 3 last inspected?

Lambertson Lakes No. 3 was last inspected on April 15, 2019. 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.