Twin Lakes

S LONE PINE CR· Larimer, Colorado· Built 1904· Earth· 15 ft tall
Low Hazard Recreation Fish And Wildlife Pond State Government

Key Takeaway

Twin Lakes is classified as low hazard in Colorado. It was completed in 1904 and is 122 years old. Its primary use is recreation.

Physical Details

Dam Height 15 ft (taller than 20.1% in CO)
Dam Length330 ft
Dam TypeEarth
Max Storage247 acre-ft
Normal Storage157 acre-ft
Surface Area23 acres
Drainage Area0 sq mi
Max Discharge100 cfs
Year Completed1904 (122 years old)
NID IDCO02041

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 25, 2013
State Regulated: Yes
Regulatory Agency: DWR

Ownership

COLORADO PARKS AND WILDLIFE

State Government

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Twin Lakes?

Twin Lakes 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 Twin Lakes?

Twin Lakes is owned by COLORADO PARKS AND WILDLIFE (State Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Twin Lakes built?

Twin Lakes was completed in 1904, making it 122 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 Twin Lakes?

Twin Lakes serves the following purposes: Recreation, Fish And Wildlife Pond. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.

How tall is Twin Lakes?

Twin Lakes has a dam height of 15 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 Twin Lakes last inspected?

Twin Lakes was last inspected on September 25, 2013. 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.