Patz Dam

LIZARD CREEK· Webster, Iowa· Built 1978· Earth· 36 ft tall

Key Takeaway

Patz Dam is classified as low hazard in Iowa. It was completed in 1978 and is 48 years old. Its primary use is recreation.

Physical Details

Dam Height 36 ft (taller than 74.2% in IA)
Dam Length410 ft
Dam TypeEarth
Max Storage283 acre-ft
Normal Storage157 acre-ft
Surface Area15 acres
Drainage Area2 sq mi
Max Discharge0 cfs
Year Completed1978 (48 years old)
NID IDIA02023

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

Don Patz

Private

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Patz Dam?

Patz 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 Patz Dam?

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

When was Patz Dam built?

Patz Dam was completed in 1978, making it 48 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 Patz Dam?

Patz Dam serves the following purposes: Recreation, 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 Patz Dam?

Patz Dam has a dam height of 36 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.