Facebook North Detention Dam

Tributary to Muchikinock Creek· Polk, Iowa· Built 2020· Earth· 11 ft tall
Low Hazard Flood Risk Reduction Private

Key Takeaway

Facebook North Detention Dam is classified as low hazard in Iowa. It was completed in 2020 and is 6 years old. Its primary use is flood risk reduction.

Physical Details

Dam Height 11 ft (taller than 2.5% in IA)
Dam Length910 ft
Dam TypeEarth
Max Storage51 acre-ft
Normal Storage0 acre-ft
Surface Area8 acres
Drainage Area0 sq mi
Year Completed2020 (6 years old)
Year Modified2020
NID IDIA04353

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
State Regulated: Yes
Regulatory Agency: IOWA DNR

Ownership

Siculus, Inc. c/o Facebook, Inc.

Private

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Facebook North Detention Dam?

Facebook North Detention Dam 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 Facebook North Detention Dam?

Facebook North Detention Dam is owned by Siculus, Inc. c/o Facebook, Inc. (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Facebook North Detention Dam built?

Facebook North Detention Dam was completed in 2020, making it 6 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 Facebook North Detention Dam?

Facebook North Detention Dam serves the following purposes: Flood Risk Reduction. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.

How tall is Facebook North Detention Dam?

Facebook North Detention Dam has a dam height of 11 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.

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.