Miller Dam

TR-NISHNABOTNA RIVER· Fremont, Iowa· Built 1961· Earth· 45 ft tall

Key Takeaway

Miller Dam is classified as low hazard in Iowa. It was completed in 1961 and is 65 years old. Its primary use is fire protection.

Physical Details

Dam Height 45 ft (taller than 91.4% in IA)
Dam Length491 ft
Dam TypeEarth
Max Storage235 acre-ft
Normal Storage197 acre-ft
Surface Area14 acres
Drainage Area0 sq mi
Max Discharge0 cfs
Year Completed1961 (65 years old)
NID IDIA00393

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 5, 1990
State Regulated: Yes
Regulatory Agency: IOWA DNR

Ownership

MJ Miller

Private

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Miller Dam?

Miller 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 Miller Dam?

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

When was Miller Dam built?

Miller Dam was completed in 1961, making it 65 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 Miller Dam?

Miller Dam serves the following purposes: Fire Protection, Stock, Or Small Fish Pond. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.

How tall is Miller Dam?

Miller Dam has a dam height of 45 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 Miller Dam last inspected?

Miller Dam was last inspected on April 5, 1990. 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.