Lewis Dam

Trib to Horse Creek· Fremont, Iowa· Built 2002· 27 ft tall
Low Hazard Recreation Private

Key Takeaway

Lewis Dam is classified as low hazard in Iowa. It was completed in 2002 and is 24 years old. Its primary use is recreation.

Physical Details

Dam Height 27 ft (taller than 30.7% in IA)
Dam Length400 ft
Max Storage35 acre-ft
Normal Storage18 acre-ft
Surface Area0 acres
Drainage Area0 sq mi
Max Discharge64 cfs
Year Completed2002 (24 years old)
NID IDIA03978

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: October 28, 2002
State Regulated: Yes
Regulatory Agency: IOWA DNR

Ownership

Terry Lewis

Private

Nearby Dams

Taylor Dam

Fremont, IA

Low Hazard 37 ft

Taylor 1

Fremont, IA

Low Hazard 29 ft

Taylor Dam

Fremont, IA

Low Hazard 23 ft

Vanatta Dam

Fremont, IA

Low Hazard 38 ft

Draper Dam

Fremont, IA

Low Hazard 46 ft

Kopecky Dam

Fremont, IA

Low Hazard 31 ft

Shirley Dam

Fremont, IA

Low Hazard 27 ft

Stoner Dam

Fremont, IA

Low Hazard 40 ft

Frequently Asked Questions

What is the hazard classification of Lewis Dam?

Lewis 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 Lewis Dam?

Lewis Dam is owned by Terry Lewis (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Lewis Dam built?

Lewis Dam was completed in 2002, making it 24 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 Lewis Dam?

Lewis Dam 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 Lewis Dam?

Lewis Dam 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 Lewis Dam last inspected?

Lewis Dam was last inspected on October 28, 2002. 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.